id	sid	tid	token	lemma	pos
ap-1251	1	1	ap-4-10.dvi	ap-4-10.dvi	PROPN
ap-1251	1	2	acta	acta	PROPN
ap-1251	1	3	polytechnica	polytechnica	PROPN
ap-1251	1	4	vol	vol	NOUN
ap-1251	1	5	.	.	PROPN
ap-1251	2	1	50	50	NUM
ap-1251	2	2	no	no	NOUN
ap-1251	2	3	.	.	PUNCT
ap-1251	3	1	4/2010	4/2010	NUM
ap-1251	3	2	voice	voice	NOUN
ap-1251	3	3	activity	activity	NOUN
ap-1251	3	4	detection	detection	NOUN
ap-1251	3	5	for	for	ADP
ap-1251	3	6	speech	speech	NOUN
ap-1251	3	7	enhancement	enhancement	NOUN
ap-1251	3	8	applications	application	NOUN
ap-1251	3	9	e.	e.	PROPN
ap-1251	3	10	verteletskaya	verteletskaya	PROPN
ap-1251	3	11	,	,	PUNCT
ap-1251	3	12	k.	k.	PROPN
ap-1251	3	13	sakhnov	sakhnov	VERB
ap-1251	3	14	abstract	abstract	ADV
ap-1251	3	15	this	this	DET
ap-1251	3	16	paper	paper	NOUN
ap-1251	3	17	describes	describe	VERB
ap-1251	3	18	a	a	DET
ap-1251	3	19	study	study	NOUN
ap-1251	3	20	of	of	ADP
ap-1251	3	21	noise	noise	NOUN
ap-1251	3	22	-	-	PUNCT
ap-1251	3	23	robust	robust	ADJ
ap-1251	3	24	voice	voice	NOUN
ap-1251	3	25	activity	activity	NOUN
ap-1251	3	26	detection	detection	NOUN
ap-1251	3	27	(	(	PUNCT
ap-1251	3	28	vad	vad	NOUN
ap-1251	3	29	)	)	PUNCT
ap-1251	3	30	utilizing	utilize	VERB
ap-1251	3	31	the	the	DET
ap-1251	3	32	periodicity	periodicity	NOUN
ap-1251	3	33	of	of	ADP
ap-1251	3	34	the	the	DET
ap-1251	3	35	signal	signal	NOUN
ap-1251	3	36	,	,	PUNCT
ap-1251	3	37	full	full	ADJ
ap-1251	3	38	band	band	NOUN
ap-1251	3	39	signal	signal	NOUN
ap-1251	3	40	energy	energy	NOUN
ap-1251	3	41	and	and	CCONJ
ap-1251	3	42	high	high	ADJ
ap-1251	3	43	band	band	NOUN
ap-1251	3	44	to	to	ADP
ap-1251	3	45	low	low	ADJ
ap-1251	3	46	band	band	NOUN
ap-1251	3	47	signal	signal	NOUN
ap-1251	3	48	energy	energy	NOUN
ap-1251	3	49	ratio	ratio	NOUN
ap-1251	3	50	.	.	PUNCT
ap-1251	4	1	conventional	conventional	ADJ
ap-1251	4	2	vads	vad	NOUN
ap-1251	4	3	are	be	AUX
ap-1251	4	4	sensitive	sensitive	ADJ
ap-1251	4	5	to	to	ADP
ap-1251	4	6	a	a	DET
ap-1251	4	7	variably	variably	ADV
ap-1251	4	8	noisy	noisy	ADJ
ap-1251	4	9	environment	environment	NOUN
ap-1251	4	10	especially	especially	ADV
ap-1251	4	11	with	with	ADP
ap-1251	4	12	low	low	ADJ
ap-1251	4	13	snr	snr	NOUN
ap-1251	4	14	,	,	PUNCT
ap-1251	4	15	and	and	CCONJ
ap-1251	4	16	also	also	ADV
ap-1251	4	17	result	result	VERB
ap-1251	4	18	in	in	ADP
ap-1251	4	19	cutting	cut	VERB
ap-1251	4	20	off	off	ADP
ap-1251	4	21	unvoiced	unvoiced	ADJ
ap-1251	4	22	regions	region	NOUN
ap-1251	4	23	of	of	ADP
ap-1251	4	24	speech	speech	NOUN
ap-1251	4	25	as	as	ADV
ap-1251	4	26	well	well	ADV
ap-1251	4	27	as	as	ADP
ap-1251	4	28	random	random	ADJ
ap-1251	4	29	oscillating	oscillating	NOUN
ap-1251	4	30	of	of	ADP
ap-1251	4	31	output	output	NOUN
ap-1251	4	32	vad	vad	PROPN
ap-1251	4	33	decisions	decision	NOUN
ap-1251	4	34	.	.	PUNCT
ap-1251	5	1	to	to	PART
ap-1251	5	2	overcome	overcome	VERB
ap-1251	5	3	these	these	DET
ap-1251	5	4	problems	problem	NOUN
ap-1251	5	5	,	,	PUNCT
ap-1251	5	6	the	the	DET
ap-1251	5	7	proposed	propose	VERB
ap-1251	5	8	algorithm	algorithm	NOUN
ap-1251	5	9	first	first	ADV
ap-1251	5	10	identifies	identify	VERB
ap-1251	5	11	voiced	voice	VERB
ap-1251	5	12	regions	region	NOUN
ap-1251	5	13	of	of	ADP
ap-1251	5	14	speech	speech	NOUN
ap-1251	5	15	and	and	CCONJ
ap-1251	5	16	then	then	ADV
ap-1251	5	17	differentiates	differentiate	VERB
ap-1251	5	18	unvoiced	unvoiced	ADJ
ap-1251	5	19	regions	region	NOUN
ap-1251	5	20	from	from	ADP
ap-1251	5	21	silence	silence	NOUN
ap-1251	5	22	or	or	CCONJ
ap-1251	5	23	background	background	NOUN
ap-1251	5	24	noise	noise	NOUN
ap-1251	5	25	using	use	VERB
ap-1251	5	26	the	the	DET
ap-1251	5	27	energy	energy	NOUN
ap-1251	5	28	ratio	ratio	NOUN
ap-1251	5	29	and	and	CCONJ
ap-1251	5	30	total	total	ADJ
ap-1251	5	31	signal	signal	NOUN
ap-1251	5	32	energy	energy	NOUN
ap-1251	5	33	.	.	PUNCT
ap-1251	6	1	the	the	DET
ap-1251	6	2	performance	performance	NOUN
ap-1251	6	3	of	of	ADP
ap-1251	6	4	the	the	DET
ap-1251	6	5	proposed	propose	VERB
ap-1251	6	6	vad	vad	PROPN
ap-1251	6	7	algorithm	algorithm	PROPN
ap-1251	6	8	is	be	AUX
ap-1251	6	9	tested	test	VERB
ap-1251	6	10	on	on	ADP
ap-1251	6	11	real	real	ADJ
ap-1251	6	12	speech	speech	NOUN
ap-1251	6	13	signals	signal	NOUN
ap-1251	6	14	.	.	PUNCT
ap-1251	7	1	comparisons	comparison	NOUN
ap-1251	7	2	confirm	confirm	VERB
ap-1251	7	3	that	that	SCONJ
ap-1251	7	4	the	the	DET
ap-1251	7	5	proposed	propose	VERB
ap-1251	7	6	vad	vad	PROPN
ap-1251	7	7	algorithm	algorithm	PROPN
ap-1251	7	8	outperforms	outperform	VERB
ap-1251	7	9	the	the	DET
ap-1251	7	10	conventional	conventional	ADJ
ap-1251	7	11	vad	vad	ADJ
ap-1251	7	12	algorithms	algorithm	NOUN
ap-1251	7	13	,	,	PUNCT
ap-1251	7	14	especially	especially	ADV
ap-1251	7	15	in	in	ADP
ap-1251	7	16	the	the	DET
ap-1251	7	17	presence	presence	NOUN
ap-1251	7	18	of	of	ADP
ap-1251	7	19	background	background	NOUN
ap-1251	7	20	noise	noise	NOUN
ap-1251	7	21	.	.	PUNCT
ap-1251	8	1	keywords	keyword	NOUN
ap-1251	8	2	:	:	PUNCT
ap-1251	8	3	voice	voice	NOUN
ap-1251	8	4	activity	activity	NOUN
ap-1251	8	5	detection	detection	NOUN
ap-1251	8	6	,	,	PUNCT
ap-1251	8	7	periodicity	periodicity	NOUN
ap-1251	8	8	measurement	measurement	NOUN
ap-1251	8	9	,	,	PUNCT
ap-1251	8	10	voiced	voice	VERB
ap-1251	8	11	/	/	SYM
ap-1251	8	12	unvoiced	unvoiced	ADJ
ap-1251	8	13	classification	classification	NOUN
ap-1251	8	14	,	,	PUNCT
ap-1251	8	15	speech	speech	NOUN
ap-1251	8	16	analysis	analysis	NOUN
ap-1251	8	17	.	.	PUNCT
ap-1251	9	1	1	1	NUM
ap-1251	9	2	introduction	introduction	NOUN
ap-1251	9	3	an	an	DET
ap-1251	9	4	important	important	ADJ
ap-1251	9	5	problem	problem	NOUN
ap-1251	9	6	in	in	ADP
ap-1251	9	7	speech	speech	NOUN
ap-1251	9	8	processing	processing	NOUN
ap-1251	9	9	applications	application	NOUN
ap-1251	9	10	is	be	AUX
ap-1251	9	11	the	the	DET
ap-1251	9	12	determination	determination	NOUN
ap-1251	9	13	of	of	ADP
ap-1251	9	14	active	active	ADJ
ap-1251	9	15	speech	speech	NOUN
ap-1251	9	16	periods	period	NOUN
ap-1251	9	17	within	within	ADP
ap-1251	9	18	a	a	DET
ap-1251	9	19	given	give	VERB
ap-1251	9	20	audio	audio	ADJ
ap-1251	9	21	signal	signal	NOUN
ap-1251	9	22	.	.	PUNCT
ap-1251	10	1	speech	speech	NOUN
ap-1251	10	2	can	can	AUX
ap-1251	10	3	be	be	AUX
ap-1251	10	4	characterized	characterize	VERB
ap-1251	10	5	as	as	ADP
ap-1251	10	6	a	a	DET
ap-1251	10	7	discontinuous	discontinuous	ADJ
ap-1251	10	8	signal	signal	NOUN
ap-1251	10	9	,	,	PUNCT
ap-1251	10	10	since	since	SCONJ
ap-1251	10	11	information	information	NOUN
ap-1251	10	12	is	be	AUX
ap-1251	10	13	carried	carry	VERB
ap-1251	10	14	only	only	ADV
ap-1251	10	15	when	when	SCONJ
ap-1251	10	16	someone	someone	PRON
ap-1251	10	17	is	be	AUX
ap-1251	10	18	speaking	speak	VERB
ap-1251	10	19	.	.	PUNCT
ap-1251	11	1	the	the	DET
ap-1251	11	2	regions	region	NOUN
ap-1251	11	3	where	where	SCONJ
ap-1251	11	4	voice	voice	NOUN
ap-1251	11	5	information	information	NOUN
ap-1251	11	6	exists	exist	VERB
ap-1251	11	7	are	be	AUX
ap-1251	11	8	referred	refer	VERB
ap-1251	11	9	to	to	ADP
ap-1251	11	10	as	as	ADP
ap-1251	11	11	‘	'	PUNCT
ap-1251	11	12	voiceactive	voiceactive	ADJ
ap-1251	11	13	’	'	PUNCT
ap-1251	11	14	segments	segment	NOUN
ap-1251	11	15	,	,	PUNCT
ap-1251	11	16	and	and	CCONJ
ap-1251	11	17	the	the	DET
ap-1251	11	18	pauses	pause	NOUN
ap-1251	11	19	between	between	ADP
ap-1251	11	20	talking	talking	NOUN
ap-1251	11	21	are	be	AUX
ap-1251	11	22	called	call	VERB
ap-1251	11	23	‘	'	PUNCT
ap-1251	11	24	voice	voice	NOUN
ap-1251	11	25	-	-	PUNCT
ap-1251	11	26	inactive	inactive	ADJ
ap-1251	11	27	’	'	PUNCT
ap-1251	11	28	or	or	CCONJ
ap-1251	11	29	‘	'	PUNCT
ap-1251	11	30	silence	silence	NOUN
ap-1251	11	31	’	'	PUNCT
ap-1251	11	32	segments	segment	NOUN
ap-1251	11	33	.	.	PUNCT
ap-1251	12	1	the	the	DET
ap-1251	12	2	decision	decision	NOUN
ap-1251	12	3	on	on	ADP
ap-1251	12	4	the	the	DET
ap-1251	12	5	class	class	NOUN
ap-1251	12	6	to	to	PART
ap-1251	12	7	which	which	PRON
ap-1251	12	8	an	an	DET
ap-1251	12	9	audio	audio	ADJ
ap-1251	12	10	segment	segment	NOUN
ap-1251	12	11	belongs	belong	VERB
ap-1251	12	12	is	be	AUX
ap-1251	12	13	based	base	VERB
ap-1251	12	14	on	on	ADP
ap-1251	12	15	an	an	DET
ap-1251	12	16	observation	observation	NOUN
ap-1251	12	17	vector	vector	NOUN
ap-1251	12	18	.	.	PUNCT
ap-1251	13	1	this	this	PRON
ap-1251	13	2	is	be	AUX
ap-1251	13	3	commonly	commonly	ADV
ap-1251	13	4	referred	refer	VERB
ap-1251	13	5	to	to	ADP
ap-1251	13	6	as	as	ADP
ap-1251	13	7	a	a	DET
ap-1251	13	8	‘	'	PUNCT
ap-1251	13	9	feature	feature	NOUN
ap-1251	13	10	’	'	PUNCT
ap-1251	13	11	vector	vector	NOUN
ap-1251	13	12	.	.	PUNCT
ap-1251	14	1	one	one	NUM
ap-1251	14	2	or	or	CCONJ
ap-1251	14	3	many	many	ADJ
ap-1251	14	4	different	different	ADJ
ap-1251	14	5	features	feature	NOUN
ap-1251	14	6	may	may	AUX
ap-1251	14	7	serve	serve	VERB
ap-1251	14	8	as	as	ADP
ap-1251	14	9	the	the	DET
ap-1251	14	10	input	input	NOUN
ap-1251	14	11	to	to	ADP
ap-1251	14	12	a	a	DET
ap-1251	14	13	decision	decision	NOUN
ap-1251	14	14	rule	rule	NOUN
ap-1251	14	15	that	that	PRON
ap-1251	14	16	assigns	assign	VERB
ap-1251	14	17	the	the	DET
ap-1251	14	18	audio	audio	ADJ
ap-1251	14	19	segment	segment	NOUN
ap-1251	14	20	to	to	ADP
ap-1251	14	21	one	one	NUM
ap-1251	14	22	of	of	ADP
ap-1251	14	23	these	these	DET
ap-1251	14	24	two	two	NUM
ap-1251	14	25	classes	class	NOUN
ap-1251	14	26	.	.	PUNCT
ap-1251	15	1	an	an	DET
ap-1251	15	2	algorithm	algorithm	NOUN
ap-1251	15	3	employed	employ	VERB
ap-1251	15	4	to	to	PART
ap-1251	15	5	detect	detect	VERB
ap-1251	15	6	the	the	DET
ap-1251	15	7	presence	presence	NOUN
ap-1251	15	8	or	or	CCONJ
ap-1251	15	9	absence	absence	NOUN
ap-1251	15	10	of	of	ADP
ap-1251	15	11	speech	speech	NOUN
ap-1251	15	12	is	be	AUX
ap-1251	15	13	referred	refer	VERB
ap-1251	15	14	to	to	ADP
ap-1251	15	15	as	as	ADP
ap-1251	15	16	a	a	DET
ap-1251	15	17	voice	voice	NOUN
ap-1251	15	18	activity	activity	NOUN
ap-1251	15	19	detector	detector	NOUN
ap-1251	15	20	(	(	PUNCT
ap-1251	15	21	vad	vad	PROPN
ap-1251	15	22	)	)	PUNCT
ap-1251	15	23	.	.	PUNCT
ap-1251	16	1	vad	vad	PROPN
ap-1251	16	2	is	be	AUX
ap-1251	16	3	any	any	DET
ap-1251	16	4	important	important	ADJ
ap-1251	16	5	component	component	NOUN
ap-1251	16	6	of	of	ADP
ap-1251	16	7	speech	speech	NOUN
ap-1251	16	8	processing	processing	NOUN
ap-1251	16	9	techniques	technique	NOUN
ap-1251	16	10	such	such	ADJ
ap-1251	16	11	as	as	ADP
ap-1251	16	12	speech	speech	NOUN
ap-1251	16	13	enhancement	enhancement	NOUN
ap-1251	16	14	,	,	PUNCT
ap-1251	16	15	speech	speech	NOUN
ap-1251	16	16	coding	coding	NOUN
ap-1251	16	17	,	,	PUNCT
ap-1251	16	18	and	and	CCONJ
ap-1251	16	19	automatic	automatic	ADJ
ap-1251	16	20	speech	speech	NOUN
ap-1251	16	21	recognition	recognition	NOUN
ap-1251	16	22	.	.	PUNCT
ap-1251	17	1	in	in	ADP
ap-1251	17	2	speech	speech	NOUN
ap-1251	17	3	enhancement	enhancement	NOUN
ap-1251	17	4	applications	application	NOUN
ap-1251	17	5	,	,	PUNCT
ap-1251	17	6	for	for	ADP
ap-1251	17	7	example	example	NOUN
ap-1251	17	8	in	in	ADP
ap-1251	17	9	spectral	spectral	ADJ
ap-1251	17	10	subtractive	subtractive	NOUN
ap-1251	17	11	type	type	NOUN
ap-1251	17	12	noise	noise	NOUN
ap-1251	17	13	reduction	reduction	NOUN
ap-1251	17	14	algorithms	algorithm	NOUN
ap-1251	17	15	,	,	PUNCT
ap-1251	17	16	vad	vad	PROPN
ap-1251	17	17	is	be	AUX
ap-1251	17	18	used	use	VERB
ap-1251	17	19	for	for	ADP
ap-1251	17	20	noise	noise	NOUN
ap-1251	17	21	estimation	estimation	NOUN
ap-1251	17	22	,	,	PUNCT
ap-1251	17	23	which	which	PRON
ap-1251	17	24	is	be	AUX
ap-1251	17	25	then	then	ADV
ap-1251	17	26	used	use	VERB
ap-1251	17	27	in	in	ADP
ap-1251	17	28	the	the	DET
ap-1251	17	29	noise	noise	NOUN
ap-1251	17	30	reduction	reduction	NOUN
ap-1251	17	31	process	process	NOUN
ap-1251	17	32	.	.	PUNCT
ap-1251	18	1	speech	speech	NOUN
ap-1251	18	2	/	/	SYM
ap-1251	18	3	silence	silence	NOUN
ap-1251	18	4	detection	detection	NOUN
ap-1251	18	5	is	be	AUX
ap-1251	18	6	necessary	necessary	ADJ
ap-1251	18	7	in	in	ADP
ap-1251	18	8	order	order	NOUN
ap-1251	18	9	to	to	PART
ap-1251	18	10	determine	determine	VERB
ap-1251	18	11	frames	frame	NOUN
ap-1251	18	12	of	of	ADP
ap-1251	18	13	noisy	noisy	ADJ
ap-1251	18	14	speech	speech	NOUN
ap-1251	18	15	that	that	PRON
ap-1251	18	16	contain	contain	VERB
ap-1251	18	17	noise	noise	NOUN
ap-1251	18	18	only	only	ADV
ap-1251	18	19	.	.	PUNCT
ap-1251	19	1	speech	speech	NOUN
ap-1251	19	2	pauses	pause	NOUN
ap-1251	19	3	or	or	CCONJ
ap-1251	19	4	noise	noise	NOUN
ap-1251	19	5	only	only	ADV
ap-1251	19	6	frames	frame	NOUN
ap-1251	19	7	are	be	AUX
ap-1251	19	8	essential	essential	ADJ
ap-1251	19	9	to	to	PART
ap-1251	19	10	allow	allow	VERB
ap-1251	19	11	the	the	DET
ap-1251	19	12	noise	noise	NOUN
ap-1251	19	13	estimate	estimate	NOUN
ap-1251	19	14	to	to	PART
ap-1251	19	15	be	be	AUX
ap-1251	19	16	updated	update	VERB
ap-1251	19	17	,	,	PUNCT
ap-1251	19	18	thereby	thereby	ADV
ap-1251	19	19	making	make	VERB
ap-1251	19	20	the	the	DET
ap-1251	19	21	estimation	estimation	NOUN
ap-1251	19	22	more	more	ADV
ap-1251	19	23	accurate	accurate	ADJ
ap-1251	19	24	.	.	PUNCT
ap-1251	20	1	in	in	ADP
ap-1251	20	2	speech	speech	NOUN
ap-1251	20	3	coding	coding	NOUN
ap-1251	20	4	,	,	PUNCT
ap-1251	20	5	the	the	DET
ap-1251	20	6	purpose	purpose	NOUN
ap-1251	20	7	is	be	AUX
ap-1251	20	8	to	to	PART
ap-1251	20	9	encode	encode	VERB
ap-1251	20	10	the	the	DET
ap-1251	20	11	input	input	NOUN
ap-1251	20	12	audio	audio	NOUN
ap-1251	20	13	signal	signal	NOUN
ap-1251	20	14	in	in	ADP
ap-1251	20	15	such	such	DET
ap-1251	20	16	a	a	DET
ap-1251	20	17	way	way	NOUN
ap-1251	20	18	,	,	PUNCT
ap-1251	20	19	that	that	SCONJ
ap-1251	20	20	the	the	DET
ap-1251	20	21	overall	overall	ADJ
ap-1251	20	22	transferred	transfer	VERB
ap-1251	20	23	data	data	NOUN
ap-1251	20	24	rate	rate	NOUN
ap-1251	20	25	is	be	AUX
ap-1251	20	26	reduced	reduce	VERB
ap-1251	20	27	.	.	PUNCT
ap-1251	21	1	since	since	SCONJ
ap-1251	21	2	information	information	NOUN
ap-1251	21	3	is	be	AUX
ap-1251	21	4	only	only	ADV
ap-1251	21	5	carried	carry	VERB
ap-1251	21	6	when	when	SCONJ
ap-1251	21	7	someone	someone	PRON
ap-1251	21	8	is	be	AUX
ap-1251	21	9	speaking	speak	VERB
ap-1251	21	10	,	,	PUNCT
ap-1251	21	11	clearly	clearly	ADV
ap-1251	21	12	knowing	know	VERB
ap-1251	21	13	when	when	SCONJ
ap-1251	21	14	this	this	PRON
ap-1251	21	15	occurs	occur	VERB
ap-1251	21	16	can	can	AUX
ap-1251	21	17	greatly	greatly	ADV
ap-1251	21	18	aid	aid	VERB
ap-1251	21	19	in	in	ADP
ap-1251	21	20	data	datum	NOUN
ap-1251	21	21	reduction	reduction	NOUN
ap-1251	21	22	.	.	PUNCT
ap-1251	22	1	another	another	DET
ap-1251	22	2	example	example	NOUN
ap-1251	22	3	is	be	AUX
ap-1251	22	4	speech	speech	NOUN
ap-1251	22	5	recognition	recognition	NOUN
ap-1251	22	6	.	.	PUNCT
ap-1251	23	1	in	in	ADP
ap-1251	23	2	this	this	DET
ap-1251	23	3	case	case	NOUN
ap-1251	23	4	,	,	PUNCT
ap-1251	23	5	a	a	DET
ap-1251	23	6	clear	clear	ADJ
ap-1251	23	7	indication	indication	NOUN
ap-1251	23	8	of	of	ADP
ap-1251	23	9	active	active	ADJ
ap-1251	23	10	speech	speech	NOUN
ap-1251	23	11	periods	period	NOUN
ap-1251	23	12	is	be	AUX
ap-1251	23	13	critical	critical	ADJ
ap-1251	23	14	.	.	PUNCT
ap-1251	24	1	false	false	ADJ
ap-1251	24	2	detection	detection	NOUN
ap-1251	24	3	of	of	ADP
ap-1251	24	4	active	active	ADJ
ap-1251	24	5	speech	speech	NOUN
ap-1251	24	6	periods	period	NOUN
ap-1251	24	7	will	will	AUX
ap-1251	24	8	have	have	VERB
ap-1251	24	9	a	a	DET
ap-1251	24	10	direct	direct	ADJ
ap-1251	24	11	degradation	degradation	NOUN
ap-1251	24	12	effect	effect	NOUN
ap-1251	24	13	on	on	ADP
ap-1251	24	14	the	the	DET
ap-1251	24	15	recognition	recognition	NOUN
ap-1251	24	16	algorithm	algorithm	NOUN
ap-1251	24	17	.	.	PUNCT
ap-1251	25	1	other	other	ADJ
ap-1251	25	2	examples	example	NOUN
ap-1251	25	3	include	include	VERB
ap-1251	25	4	audio	audio	ADJ
ap-1251	25	5	conferencing	conferencing	NOUN
ap-1251	25	6	,	,	PUNCT
ap-1251	25	7	echo	echo	NOUN
ap-1251	25	8	cancellation	cancellation	NOUN
ap-1251	25	9	,	,	PUNCT
ap-1251	25	10	voip	voip	NOUN
ap-1251	25	11	applications	application	NOUN
ap-1251	25	12	,	,	PUNCT
ap-1251	25	13	cellular	cellular	ADJ
ap-1251	25	14	radio	radio	NOUN
ap-1251	25	15	systems	system	NOUN
ap-1251	25	16	(	(	PUNCT
ap-1251	25	17	gsm	gsm	NOUN
ap-1251	25	18	and	and	CCONJ
ap-1251	25	19	cdma	cdma	NOUN
ap-1251	25	20	based	base	VERB
ap-1251	25	21	)	)	PUNCT
ap-1251	26	1	[	[	X
ap-1251	26	2	1	1	X
ap-1251	26	3	]	]	PUNCT
ap-1251	26	4	and	and	CCONJ
ap-1251	26	5	hands	hand	NOUN
ap-1251	26	6	-	-	PUNCT
ap-1251	26	7	free	free	ADJ
ap-1251	26	8	telephony	telephony	NOUN
ap-1251	26	9	[	[	X
ap-1251	26	10	2	2	NUM
ap-1251	26	11	]	]	PUNCT
ap-1251	26	12	.	.	PUNCT
ap-1251	27	1	generating	generate	VERB
ap-1251	27	2	an	an	DET
ap-1251	27	3	accurate	accurate	ADJ
ap-1251	27	4	indication	indication	NOUN
ap-1251	27	5	of	of	ADP
ap-1251	27	6	the	the	DET
ap-1251	27	7	presence	presence	NOUN
ap-1251	27	8	or	or	CCONJ
ap-1251	27	9	absence	absence	NOUN
ap-1251	27	10	of	of	ADP
ap-1251	27	11	speech	speech	NOUN
ap-1251	27	12	is	be	AUX
ap-1251	27	13	generally	generally	ADV
ap-1251	27	14	difficult	difficult	ADJ
ap-1251	27	15	,	,	PUNCT
ap-1251	27	16	especially	especially	ADV
ap-1251	27	17	when	when	SCONJ
ap-1251	27	18	the	the	DET
ap-1251	27	19	speech	speech	NOUN
ap-1251	27	20	signal	signal	NOUN
ap-1251	27	21	is	be	AUX
ap-1251	27	22	corrupted	corrupt	VERB
ap-1251	27	23	by	by	ADP
ap-1251	27	24	background	background	NOUN
ap-1251	27	25	noise	noise	NOUN
ap-1251	27	26	or	or	CCONJ
ap-1251	27	27	by	by	ADP
ap-1251	27	28	unwanted	unwanted	ADJ
ap-1251	27	29	impulse	impulse	ADJ
ap-1251	27	30	noise	noise	NOUN
ap-1251	27	31	.	.	PUNCT
ap-1251	28	1	voice	voice	NOUN
ap-1251	28	2	activity	activity	NOUN
ap-1251	28	3	detection	detection	NOUN
ap-1251	28	4	algorithm	algorithm	NOUN
ap-1251	28	5	performance	performance	NOUN
ap-1251	28	6	trade	trade	NOUN
ap-1251	28	7	-	-	PUNCT
ap-1251	28	8	offs	off	NOUN
ap-1251	28	9	are	be	AUX
ap-1251	28	10	made	make	VERB
ap-1251	28	11	by	by	ADP
ap-1251	28	12	maximizing	maximize	VERB
ap-1251	28	13	the	the	DET
ap-1251	28	14	detection	detection	NOUN
ap-1251	28	15	rate	rate	NOUN
ap-1251	28	16	of	of	ADP
ap-1251	28	17	active	active	ADJ
ap-1251	28	18	speech	speech	NOUN
ap-1251	28	19	while	while	SCONJ
ap-1251	28	20	minimizing	minimize	VERB
ap-1251	28	21	the	the	DET
ap-1251	28	22	false	false	ADJ
ap-1251	28	23	detection	detection	NOUN
ap-1251	28	24	rate	rate	NOUN
ap-1251	28	25	of	of	ADP
ap-1251	28	26	inactive	inactive	ADJ
ap-1251	28	27	segments	segment	NOUN
ap-1251	28	28	.	.	PUNCT
ap-1251	29	1	various	various	ADJ
ap-1251	29	2	techniques	technique	NOUN
ap-1251	29	3	for	for	ADP
ap-1251	29	4	vad	vad	PROPN
ap-1251	29	5	have	have	AUX
ap-1251	29	6	been	be	AUX
ap-1251	29	7	proposed	propose	VERB
ap-1251	29	8	[	[	X
ap-1251	29	9	3	3	NUM
ap-1251	29	10	,	,	PUNCT
ap-1251	29	11	4	4	NUM
ap-1251	29	12	,	,	PUNCT
ap-1251	29	13	5	5	NUM
ap-1251	29	14	,	,	PUNCT
ap-1251	29	15	6	6	NUM
ap-1251	29	16	,	,	PUNCT
ap-1251	29	17	7	7	NUM
ap-1251	29	18	]	]	PUNCT
ap-1251	29	19	.	.	PUNCT
ap-1251	30	1	in	in	ADP
ap-1251	30	2	the	the	DET
ap-1251	30	3	early	early	ADJ
ap-1251	30	4	vad	vad	PROPN
ap-1251	30	5	algorithms	algorithms	PROPN
ap-1251	30	6	,	,	PUNCT
ap-1251	30	7	short	short	ADJ
ap-1251	30	8	-	-	PUNCT
ap-1251	30	9	time	time	NOUN
ap-1251	30	10	energy	energy	NOUN
ap-1251	30	11	,	,	PUNCT
ap-1251	30	12	zero	zero	NUM
ap-1251	30	13	-	-	PUNCT
ap-1251	30	14	crossing	crossing	NOUN
ap-1251	30	15	rate	rate	NOUN
ap-1251	30	16	and	and	CCONJ
ap-1251	30	17	linear	linear	ADJ
ap-1251	30	18	prediction	prediction	NOUN
ap-1251	30	19	coefficients	coefficient	NOUN
ap-1251	30	20	were	be	AUX
ap-1251	30	21	among	among	ADP
ap-1251	30	22	the	the	DET
ap-1251	30	23	features	feature	NOUN
ap-1251	30	24	commonly	commonly	ADV
ap-1251	30	25	used	use	VERB
ap-1251	30	26	in	in	ADP
ap-1251	30	27	the	the	DET
ap-1251	30	28	detection	detection	NOUN
ap-1251	30	29	process	process	NOUN
ap-1251	30	30	[	[	X
ap-1251	30	31	3	3	NUM
ap-1251	30	32	]	]	PUNCT
ap-1251	30	33	.	.	PUNCT
ap-1251	31	1	cepstral	cepstral	ADJ
ap-1251	31	2	coefficients	coefficient	NOUN
ap-1251	32	1	[	[	X
ap-1251	32	2	4	4	NUM
ap-1251	32	3	]	]	PUNCT
ap-1251	32	4	,	,	PUNCT
ap-1251	32	5	spectral	spectral	ADJ
ap-1251	32	6	entropy	entropy	NOUN
ap-1251	33	1	[	[	X
ap-1251	33	2	5	5	NUM
ap-1251	33	3	]	]	PUNCT
ap-1251	33	4	,	,	PUNCT
ap-1251	33	5	a	a	DET
ap-1251	33	6	least	least	ADJ
ap-1251	33	7	-	-	PUNCT
ap-1251	33	8	square	square	NOUN
ap-1251	33	9	periodicity	periodicity	NOUN
ap-1251	33	10	measure	measure	NOUN
ap-1251	33	11	[	[	X
ap-1251	33	12	6	6	NUM
ap-1251	33	13	]	]	PUNCT
ap-1251	33	14	,	,	PUNCT
ap-1251	33	15	and	and	CCONJ
ap-1251	33	16	wavelet	wavelet	NOUN
ap-1251	33	17	transform	transform	NOUN
ap-1251	33	18	coefficients	coefficient	NOUN
ap-1251	34	1	[	[	X
ap-1251	34	2	7	7	NUM
ap-1251	34	3	]	]	PUNCT
ap-1251	34	4	are	be	AUX
ap-1251	34	5	examples	example	NOUN
ap-1251	34	6	of	of	ADP
ap-1251	34	7	recently	recently	ADV
ap-1251	34	8	proposed	propose	VERB
ap-1251	34	9	vad	vad	PROPN
ap-1251	34	10	features	feature	NOUN
ap-1251	34	11	.	.	PUNCT
ap-1251	35	1	signal	signal	ADJ
ap-1251	35	2	energy	energy	NOUN
ap-1251	35	3	remains	remain	VERB
ap-1251	35	4	one	one	NUM
ap-1251	35	5	of	of	ADP
ap-1251	35	6	basic	basic	ADJ
ap-1251	35	7	components	component	NOUN
ap-1251	35	8	of	of	ADP
ap-1251	35	9	the	the	DET
ap-1251	35	10	feature	feature	NOUN
ap-1251	35	11	vector	vector	NOUN
ap-1251	35	12	.	.	PUNCT
ap-1251	36	1	most	most	ADJ
ap-1251	36	2	of	of	ADP
ap-1251	36	3	the	the	DET
ap-1251	36	4	standardized	standardized	ADJ
ap-1251	36	5	algorithms	algorithms	NOUN
ap-1251	36	6	use	use	VERB
ap-1251	36	7	signal	signal	NOUN
ap-1251	36	8	energy	energy	NOUN
ap-1251	36	9	and	and	CCONJ
ap-1251	36	10	other	other	ADJ
ap-1251	36	11	parameters	parameter	NOUN
ap-1251	36	12	to	to	PART
ap-1251	36	13	make	make	VERB
ap-1251	36	14	a	a	DET
ap-1251	36	15	decision	decision	NOUN
ap-1251	36	16	.	.	PUNCT
ap-1251	37	1	for	for	ADP
ap-1251	37	2	voice	voice	NOUN
ap-1251	37	3	activity	activity	NOUN
ap-1251	37	4	detection	detection	NOUN
ap-1251	37	5	,	,	PUNCT
ap-1251	37	6	the	the	DET
ap-1251	37	7	proposed	propose	VERB
ap-1251	37	8	algorithm	algorithm	NOUN
ap-1251	37	9	utilizes	utilize	VERB
ap-1251	37	10	the	the	DET
ap-1251	37	11	total	total	ADJ
ap-1251	37	12	signal	signal	NOUN
ap-1251	37	13	energy	energy	NOUN
ap-1251	37	14	,	,	PUNCT
ap-1251	37	15	which	which	PRON
ap-1251	37	16	is	be	AUX
ap-1251	37	17	compared	compare	VERB
ap-1251	37	18	with	with	ADP
ap-1251	37	19	the	the	DET
ap-1251	37	20	dynamically	dynamically	ADV
ap-1251	37	21	calculated	calculate	VERB
ap-1251	37	22	threshold	threshold	NOUN
ap-1251	37	23	.	.	PUNCT
ap-1251	38	1	besides	besides	SCONJ
ap-1251	38	2	the	the	DET
ap-1251	38	3	total	total	ADJ
ap-1251	38	4	energy	energy	NOUN
ap-1251	38	5	measure	measure	NOUN
ap-1251	38	6	,	,	PUNCT
ap-1251	38	7	the	the	DET
ap-1251	38	8	algorithm	algorithm	NOUN
ap-1251	38	9	is	be	AUX
ap-1251	38	10	supplemented	supplement	VERB
ap-1251	38	11	by	by	ADP
ap-1251	38	12	using	use	VERB
ap-1251	38	13	a	a	DET
ap-1251	38	14	signal	signal	ADJ
ap-1251	38	15	periodicity	periodicity	NOUN
ap-1251	38	16	measure	measure	NOUN
ap-1251	38	17	and	and	CCONJ
ap-1251	38	18	a	a	DET
ap-1251	38	19	high	high	ADJ
ap-1251	38	20	frequency	frequency	NOUN
ap-1251	38	21	to	to	ADP
ap-1251	38	22	low	low	ADJ
ap-1251	38	23	frequency	frequency	NOUN
ap-1251	38	24	signal	signal	NOUN
ap-1251	38	25	energy	energy	NOUN
ap-1251	38	26	ratio	ratio	NOUN
ap-1251	38	27	for	for	ADP
ap-1251	38	28	more	more	ADV
ap-1251	38	29	accurate	accurate	ADJ
ap-1251	38	30	decisions	decision	NOUN
ap-1251	38	31	on	on	ADP
ap-1251	38	32	voice	voice	NOUN
ap-1251	38	33	presence	presence	NOUN
ap-1251	38	34	.	.	PUNCT
ap-1251	39	1	2	2	NUM
ap-1251	39	2	voice	voice	NOUN
ap-1251	39	3	activity	activity	NOUN
ap-1251	39	4	detection	detection	NOUN
ap-1251	39	5	principle	principle	VERB
ap-1251	39	6	the	the	DET
ap-1251	39	7	basic	basic	ADJ
ap-1251	39	8	principle	principle	NOUN
ap-1251	39	9	of	of	ADP
ap-1251	39	10	a	a	DET
ap-1251	39	11	vad	vad	NOUN
ap-1251	39	12	device	device	NOUN
ap-1251	39	13	is	be	AUX
ap-1251	39	14	that	that	SCONJ
ap-1251	39	15	it	it	PRON
ap-1251	39	16	extracts	extract	VERB
ap-1251	39	17	measured	measure	VERB
ap-1251	39	18	features	feature	NOUN
ap-1251	39	19	or	or	CCONJ
ap-1251	39	20	quantities	quantity	NOUN
ap-1251	39	21	from	from	ADP
ap-1251	39	22	the	the	DET
ap-1251	39	23	input	input	NOUN
ap-1251	39	24	signal	signal	NOUN
ap-1251	39	25	and	and	CCONJ
ap-1251	39	26	then	then	ADV
ap-1251	39	27	compares	compare	VERB
ap-1251	39	28	these	these	DET
ap-1251	39	29	values	value	NOUN
ap-1251	39	30	with	with	ADP
ap-1251	39	31	thresholds	threshold	NOUN
ap-1251	39	32	usually	usually	ADV
ap-1251	39	33	extracted	extract	VERB
ap-1251	39	34	from	from	ADP
ap-1251	39	35	noise	noise	NOUN
ap-1251	39	36	-	-	PUNCT
ap-1251	39	37	only	only	ADJ
ap-1251	39	38	periods	period	NOUN
ap-1251	39	39	.	.	PUNCT
ap-1251	40	1	voice	voice	NOUN
ap-1251	40	2	activity	activity	NOUN
ap-1251	40	3	(	(	PUNCT
ap-1251	40	4	vad=1	vad=1	NOUN
ap-1251	40	5	)	)	PUNCT
ap-1251	40	6	is	be	AUX
ap-1251	40	7	declared	declare	VERB
ap-1251	40	8	if	if	SCONJ
ap-1251	40	9	the	the	DET
ap-1251	40	10	measured	measured	ADJ
ap-1251	40	11	values	value	NOUN
ap-1251	40	12	exceed	exceed	VERB
ap-1251	40	13	100	100	NUM
ap-1251	40	14	acta	acta	PROPN
ap-1251	40	15	polytechnica	polytechnica	PROPN
ap-1251	40	16	vol	vol	NOUN
ap-1251	40	17	.	.	PROPN
ap-1251	41	1	50	50	NUM
ap-1251	41	2	no	no	NOUN
ap-1251	41	3	.	.	PUNCT
ap-1251	42	1	4/2010	4/2010	NUM
ap-1251	42	2	the	the	DET
ap-1251	42	3	thresholds	threshold	NOUN
ap-1251	42	4	.	.	PUNCT
ap-1251	43	1	otherwise	otherwise	ADV
ap-1251	43	2	,	,	PUNCT
ap-1251	43	3	there	there	PRON
ap-1251	43	4	is	be	VERB
ap-1251	43	5	no	no	DET
ap-1251	43	6	speech	speech	NOUN
ap-1251	43	7	activity	activity	NOUN
ap-1251	43	8	or	or	CCONJ
ap-1251	43	9	noise	noise	NOUN
ap-1251	43	10	,	,	PUNCT
ap-1251	43	11	and	and	CCONJ
ap-1251	43	12	silence	silence	NOUN
ap-1251	43	13	(	(	PUNCT
ap-1251	43	14	vad=0	vad=0	NOUN
ap-1251	43	15	)	)	PUNCT
ap-1251	43	16	is	be	AUX
ap-1251	43	17	present	present	ADJ
ap-1251	43	18	.	.	PUNCT
ap-1251	44	1	a	a	DET
ap-1251	44	2	general	general	ADJ
ap-1251	44	3	block	block	NOUN
ap-1251	44	4	diagram	diagram	NOUN
ap-1251	44	5	of	of	ADP
ap-1251	44	6	a	a	DET
ap-1251	44	7	vad	vad	PROPN
ap-1251	44	8	design	design	NOUN
ap-1251	44	9	is	be	AUX
ap-1251	44	10	shown	show	VERB
ap-1251	44	11	in	in	ADP
ap-1251	44	12	fig	fig	NOUN
ap-1251	44	13	.	.	PUNCT
ap-1251	45	1	1	1	X
ap-1251	45	2	.	.	X
ap-1251	45	3	vad	vad	PROPN
ap-1251	45	4	design	design	NOUN
ap-1251	45	5	involves	involve	VERB
ap-1251	45	6	extracting	extract	VERB
ap-1251	45	7	acoustic	acoustic	ADJ
ap-1251	45	8	features	feature	NOUN
ap-1251	45	9	that	that	PRON
ap-1251	45	10	can	can	AUX
ap-1251	45	11	appropriately	appropriately	ADV
ap-1251	45	12	indicate	indicate	VERB
ap-1251	45	13	the	the	DET
ap-1251	45	14	probability	probability	NOUN
ap-1251	45	15	of	of	ADP
ap-1251	45	16	target	target	NOUN
ap-1251	45	17	speech	speech	NOUN
ap-1251	45	18	signals	signal	NOUN
ap-1251	45	19	existing	exist	VERB
ap-1251	45	20	in	in	ADP
ap-1251	45	21	observed	observed	ADJ
ap-1251	45	22	signals	signal	NOUN
ap-1251	45	23	.	.	PUNCT
ap-1251	46	1	based	base	VERB
ap-1251	46	2	on	on	ADP
ap-1251	46	3	these	these	DET
ap-1251	46	4	acoustic	acoustic	ADJ
ap-1251	46	5	features	feature	NOUN
ap-1251	46	6	,	,	PUNCT
ap-1251	46	7	the	the	DET
ap-1251	46	8	latter	latter	ADJ
ap-1251	46	9	part	part	NOUN
ap-1251	46	10	decides	decide	VERB
ap-1251	46	11	whether	whether	SCONJ
ap-1251	46	12	the	the	DET
ap-1251	46	13	target	target	NOUN
ap-1251	46	14	speech	speech	NOUN
ap-1251	46	15	signals	signal	NOUN
ap-1251	46	16	are	be	AUX
ap-1251	46	17	present	present	ADJ
ap-1251	46	18	in	in	ADP
ap-1251	46	19	the	the	DET
ap-1251	46	20	observed	observe	VERB
ap-1251	46	21	signals	signal	NOUN
ap-1251	46	22	,	,	PUNCT
ap-1251	46	23	using	use	VERB
ap-1251	46	24	a	a	DET
ap-1251	46	25	computed	computed	ADJ
ap-1251	46	26	well	well	ADV
ap-1251	46	27	-	-	PUNCT
ap-1251	46	28	adjusted	adjust	VERB
ap-1251	46	29	threshold	threshold	NOUN
ap-1251	46	30	value	value	NOUN
ap-1251	46	31	.	.	PUNCT
ap-1251	47	1	most	most	ADJ
ap-1251	47	2	vad	vad	PROPN
ap-1251	47	3	algorithms	algorithms	PROPN
ap-1251	47	4	output	output	VERB
ap-1251	47	5	a	a	DET
ap-1251	47	6	binary	binary	ADJ
ap-1251	47	7	decision	decision	NOUN
ap-1251	47	8	on	on	ADP
ap-1251	47	9	a	a	DET
ap-1251	47	10	frame	frame	NOUN
ap-1251	47	11	-	-	PUNCT
ap-1251	47	12	by	by	ADP
ap-1251	47	13	-	-	PUNCT
ap-1251	47	14	frame	frame	NOUN
ap-1251	47	15	basis	basis	NOUN
ap-1251	47	16	,	,	PUNCT
ap-1251	47	17	where	where	SCONJ
ap-1251	47	18	the	the	DET
ap-1251	47	19	frame	frame	NOUN
ap-1251	47	20	of	of	ADP
ap-1251	47	21	the	the	DET
ap-1251	47	22	input	input	NOUN
ap-1251	47	23	signal	signal	NOUN
ap-1251	47	24	is	be	AUX
ap-1251	47	25	a	a	DET
ap-1251	47	26	short	short	ADJ
ap-1251	47	27	unit	unit	NOUN
ap-1251	47	28	of	of	ADP
ap-1251	47	29	time	time	NOUN
ap-1251	47	30	5–40	5–40	NUM
ap-1251	47	31	ms	ms	NOUN
ap-1251	47	32	in	in	ADP
ap-1251	47	33	length	length	NOUN
ap-1251	47	34	.	.	PUNCT
ap-1251	48	1	the	the	DET
ap-1251	48	2	accuracy	accuracy	NOUN
ap-1251	48	3	and	and	CCONJ
ap-1251	48	4	reliability	reliability	NOUN
ap-1251	48	5	of	of	ADP
ap-1251	48	6	a	a	DET
ap-1251	48	7	vad	vad	PROPN
ap-1251	48	8	algorithm	algorithm	NOUN
ap-1251	48	9	depends	depend	VERB
ap-1251	48	10	heavily	heavily	ADV
ap-1251	48	11	on	on	ADP
ap-1251	48	12	the	the	DET
ap-1251	48	13	decision	decision	NOUN
ap-1251	48	14	thresholds	threshold	NOUN
ap-1251	48	15	.	.	PUNCT
ap-1251	49	1	adapting	adapt	VERB
ap-1251	49	2	the	the	DET
ap-1251	49	3	threshold	threshold	NOUN
ap-1251	49	4	value	value	NOUN
ap-1251	49	5	helps	help	VERB
ap-1251	49	6	to	to	PART
ap-1251	49	7	track	track	VERB
ap-1251	49	8	time	time	NOUN
ap-1251	49	9	-	-	PUNCT
ap-1251	49	10	varying	vary	VERB
ap-1251	49	11	changes	change	NOUN
ap-1251	49	12	in	in	ADP
ap-1251	49	13	the	the	DET
ap-1251	49	14	acoustic	acoustic	ADJ
ap-1251	49	15	environments	environment	NOUN
ap-1251	49	16	,	,	PUNCT
ap-1251	49	17	and	and	CCONJ
ap-1251	49	18	hence	hence	ADV
ap-1251	49	19	provides	provide	VERB
ap-1251	49	20	a	a	DET
ap-1251	49	21	more	more	ADV
ap-1251	49	22	reliable	reliable	ADJ
ap-1251	49	23	voice	voice	NOUN
ap-1251	49	24	detection	detection	NOUN
ap-1251	49	25	result	result	NOUN
ap-1251	49	26	.	.	PUNCT
ap-1251	50	1	2.1	2.1	NUM
ap-1251	50	2	vad	vad	NOUN
ap-1251	50	3	algorithms	algorithm	NOUN
ap-1251	50	4	based	base	VERB
ap-1251	50	5	on	on	ADP
ap-1251	50	6	energy	energy	NOUN
ap-1251	50	7	thresholding	thresholding	NOUN
ap-1251	50	8	in	in	ADP
ap-1251	50	9	energy	energy	NOUN
ap-1251	50	10	-	-	PUNCT
ap-1251	50	11	based	base	VERB
ap-1251	50	12	vad	vad	PROPN
ap-1251	50	13	,	,	PUNCT
ap-1251	50	14	the	the	DET
ap-1251	50	15	energy	energy	NOUN
ap-1251	50	16	of	of	ADP
ap-1251	50	17	the	the	DET
ap-1251	50	18	signal	signal	NOUN
ap-1251	50	19	is	be	AUX
ap-1251	50	20	compared	compare	VERB
ap-1251	50	21	with	with	ADP
ap-1251	50	22	the	the	DET
ap-1251	50	23	threshold	threshold	NOUN
ap-1251	50	24	depending	depend	VERB
ap-1251	50	25	on	on	ADP
ap-1251	50	26	the	the	DET
ap-1251	50	27	noise	noise	NOUN
ap-1251	50	28	level	level	NOUN
ap-1251	50	29	.	.	PUNCT
ap-1251	51	1	speech	speech	NOUN
ap-1251	51	2	is	be	AUX
ap-1251	51	3	detected	detect	VERB
ap-1251	51	4	when	when	SCONJ
ap-1251	51	5	the	the	DET
ap-1251	51	6	energy	energy	NOUN
ap-1251	51	7	estimation	estimation	NOUN
ap-1251	51	8	lies	lie	VERB
ap-1251	51	9	above	above	ADP
ap-1251	51	10	the	the	DET
ap-1251	51	11	threshold	threshold	NOUN
ap-1251	51	12	.	.	PUNCT
ap-1251	52	1	if	if	SCONJ
ap-1251	52	2	(	(	PUNCT
ap-1251	52	3	ej	ej	X
ap-1251	52	4	>	>	X
ap-1251	52	5	k	k	PROPN
ap-1251	52	6	·	·	PUNCT
ap-1251	52	7	er	er	INTJ
ap-1251	52	8	)	)	PUNCT
ap-1251	52	9	,	,	PUNCT
ap-1251	52	10	where	where	SCONJ
ap-1251	52	11	k	k	PROPN
ap-1251	52	12	>	>	X
ap-1251	52	13	1	1	NUM
ap-1251	52	14	,	,	PUNCT
ap-1251	52	15	frame	frame	NOUN
ap-1251	52	16	is	be	AUX
ap-1251	52	17	active	active	ADJ
ap-1251	52	18	else	else	ADJ
ap-1251	52	19	frame	frame	NOUN
ap-1251	52	20	is	be	AUX
ap-1251	52	21	inactive	inactive	ADJ
ap-1251	52	22	(	(	PUNCT
ap-1251	52	23	1	1	NUM
ap-1251	52	24	)	)	PUNCT
ap-1251	52	25	in	in	ADP
ap-1251	52	26	the	the	DET
ap-1251	52	27	equation	equation	NOUN
ap-1251	52	28	,	,	PUNCT
ap-1251	52	29	er	er	INTJ
ap-1251	52	30	represents	represent	VERB
ap-1251	52	31	the	the	DET
ap-1251	52	32	energy	energy	NOUN
ap-1251	52	33	of	of	ADP
ap-1251	52	34	the	the	DET
ap-1251	52	35	noise	noise	NOUN
ap-1251	52	36	frames	frame	NOUN
ap-1251	52	37	,	,	PUNCT
ap-1251	52	38	while	while	SCONJ
ap-1251	52	39	k	k	PROPN
ap-1251	52	40	·	·	PUNCT
ap-1251	52	41	er	er	INTJ
ap-1251	52	42	is	be	AUX
ap-1251	52	43	the	the	DET
ap-1251	52	44	threshold	threshold	NOUN
ap-1251	52	45	used	use	VERB
ap-1251	52	46	in	in	ADP
ap-1251	52	47	the	the	DET
ap-1251	52	48	decision	decision	NOUN
ap-1251	52	49	-	-	PUNCT
ap-1251	52	50	making	making	NOUN
ap-1251	52	51	.	.	PUNCT
ap-1251	53	1	having	have	VERB
ap-1251	53	2	a	a	DET
ap-1251	53	3	scaling	scale	VERB
ap-1251	53	4	factor	factor	NOUN
ap-1251	53	5	,	,	PUNCT
ap-1251	53	6	k	k	PROPN
ap-1251	53	7	allows	allow	VERB
ap-1251	53	8	a	a	DET
ap-1251	53	9	safe	safe	ADJ
ap-1251	53	10	band	band	NOUN
ap-1251	53	11	for	for	ADP
ap-1251	53	12	adapting	adapt	VERB
ap-1251	53	13	er	er	INTJ
ap-1251	53	14	,	,	PUNCT
ap-1251	53	15	and	and	CCONJ
ap-1251	53	16	,	,	PUNCT
ap-1251	53	17	therefore	therefore	ADV
ap-1251	53	18	,	,	PUNCT
ap-1251	53	19	adapting	adapt	VERB
ap-1251	53	20	the	the	DET
ap-1251	53	21	threshold	threshold	NOUN
ap-1251	53	22	.	.	PUNCT
ap-1251	54	1	different	different	ADJ
ap-1251	54	2	energy	energy	NOUN
ap-1251	54	3	-	-	PUNCT
ap-1251	54	4	based	base	VERB
ap-1251	54	5	vads	vad	NOUN
ap-1251	54	6	differ	differ	VERB
ap-1251	54	7	in	in	ADP
ap-1251	54	8	the	the	DET
ap-1251	54	9	way	way	NOUN
ap-1251	54	10	the	the	DET
ap-1251	54	11	thresholds	threshold	NOUN
ap-1251	54	12	are	be	AUX
ap-1251	54	13	updated	update	VERB
ap-1251	54	14	.	.	PUNCT
ap-1251	55	1	the	the	DET
ap-1251	55	2	simplest	simple	ADJ
ap-1251	55	3	energy	energy	NOUN
ap-1251	55	4	-	-	PUNCT
ap-1251	55	5	based	base	VERB
ap-1251	55	6	method	method	NOUN
ap-1251	55	7	,	,	PUNCT
ap-1251	55	8	the	the	DET
ap-1251	55	9	linear	linear	ADJ
ap-1251	55	10	energy	energy	NOUN
ap-1251	55	11	-	-	PUNCT
ap-1251	55	12	based	base	VERB
ap-1251	55	13	detector	detector	NOUN
ap-1251	55	14	(	(	PUNCT
ap-1251	55	15	led	lead	VERB
ap-1251	55	16	)	)	PUNCT
ap-1251	55	17	,	,	PUNCT
ap-1251	55	18	was	be	AUX
ap-1251	55	19	first	first	ADV
ap-1251	55	20	described	describe	VERB
ap-1251	55	21	in	in	ADP
ap-1251	55	22	[	[	X
ap-1251	55	23	8	8	NUM
ap-1251	55	24	]	]	PUNCT
ap-1251	55	25	.	.	PUNCT
ap-1251	56	1	the	the	DET
ap-1251	56	2	rule	rule	NOUN
ap-1251	56	3	for	for	ADP
ap-1251	56	4	updating	update	VERB
ap-1251	56	5	the	the	DET
ap-1251	56	6	threshold	threshold	NOUN
ap-1251	56	7	value	value	NOUN
ap-1251	56	8	was	be	AUX
ap-1251	56	9	specified	specify	VERB
ap-1251	56	10	as	as	ADP
ap-1251	56	11	,	,	PUNCT
ap-1251	56	12	ernew	ernew	ADJ
ap-1251	56	13	=	=	SYM
ap-1251	56	14	(	(	PUNCT
ap-1251	56	15	1−	1−	NUM
ap-1251	56	16	p	p	NOUN
ap-1251	56	17	)	)	PUNCT
ap-1251	56	18	·	·	PUNCT
ap-1251	57	1	er	er	INTJ
ap-1251	57	2	old	old	ADJ
ap-1251	57	3	+	+	X
ap-1251	57	4	p	p	X
ap-1251	57	5	·	·	PUNCT
ap-1251	57	6	esilence	esilence	NOUN
ap-1251	57	7	(	(	PUNCT
ap-1251	57	8	2	2	X
ap-1251	57	9	)	)	PUNCT
ap-1251	57	10	here	here	ADV
ap-1251	57	11	,	,	PUNCT
ap-1251	57	12	er	er	INTJ
ap-1251	57	13	new	new	ADJ
ap-1251	57	14	is	be	AUX
ap-1251	57	15	the	the	DET
ap-1251	57	16	updated	update	VERB
ap-1251	57	17	value	value	NOUN
ap-1251	57	18	of	of	ADP
ap-1251	57	19	the	the	DET
ap-1251	57	20	threshold	threshold	NOUN
ap-1251	57	21	,	,	PUNCT
ap-1251	57	22	er	er	INTJ
ap-1251	57	23	old	old	ADJ
ap-1251	57	24	is	be	AUX
ap-1251	57	25	the	the	DET
ap-1251	57	26	previous	previous	ADJ
ap-1251	57	27	energy	energy	NOUN
ap-1251	57	28	threshold	threshold	NOUN
ap-1251	57	29	,	,	PUNCT
ap-1251	57	30	and	and	CCONJ
ap-1251	57	31	esilence	esilence	NOUN
ap-1251	57	32	is	be	AUX
ap-1251	57	33	the	the	DET
ap-1251	57	34	energy	energy	NOUN
ap-1251	57	35	of	of	ADP
ap-1251	57	36	the	the	DET
ap-1251	57	37	most	most	ADV
ap-1251	57	38	recent	recent	ADJ
ap-1251	57	39	unvoiced	unvoiced	ADJ
ap-1251	57	40	frame	frame	NOUN
ap-1251	57	41	.	.	PUNCT
ap-1251	58	1	the	the	DET
ap-1251	58	2	reference	reference	NOUN
ap-1251	58	3	er	er	INTJ
ap-1251	58	4	is	be	AUX
ap-1251	58	5	updated	update	VERB
ap-1251	58	6	as	as	ADP
ap-1251	58	7	a	a	DET
ap-1251	58	8	convex	convex	NOUN
ap-1251	58	9	combination	combination	NOUN
ap-1251	58	10	of	of	ADP
ap-1251	58	11	the	the	DET
ap-1251	58	12	old	old	ADJ
ap-1251	58	13	threshold	threshold	NOUN
ap-1251	58	14	and	and	CCONJ
ap-1251	58	15	the	the	DET
ap-1251	58	16	current	current	ADJ
ap-1251	58	17	noise	noise	NOUN
ap-1251	58	18	update	update	NOUN
ap-1251	58	19	.	.	PUNCT
ap-1251	59	1	parameter	parameter	PROPN
ap-1251	59	2	p	p	PROPN
ap-1251	59	3	is	be	AUX
ap-1251	59	4	constant	constant	ADJ
ap-1251	59	5	(	(	PUNCT
ap-1251	59	6	0	0	NUM
ap-1251	59	7	<	<	X
ap-1251	59	8	p	p	X
ap-1251	59	9	<	<	X
ap-1251	59	10	1	1	NUM
ap-1251	59	11	)	)	PUNCT
ap-1251	59	12	.	.	PUNCT
ap-1251	60	1	2.2	2.2	NUM
ap-1251	60	2	energy	energy	NOUN
ap-1251	60	3	of	of	ADP
ap-1251	60	4	a	a	DET
ap-1251	60	5	frame	frame	NOUN
ap-1251	60	6	the	the	DET
ap-1251	60	7	most	most	ADV
ap-1251	60	8	common	common	ADJ
ap-1251	60	9	way	way	NOUN
ap-1251	60	10	to	to	PART
ap-1251	60	11	calculate	calculate	VERB
ap-1251	60	12	the	the	DET
ap-1251	60	13	full	full	ADJ
ap-1251	60	14	-	-	PUNCT
ap-1251	60	15	band	band	NOUN
ap-1251	60	16	energy	energy	NOUN
ap-1251	60	17	of	of	ADP
ap-1251	60	18	a	a	DET
ap-1251	60	19	speech	speech	NOUN
ap-1251	60	20	signal	signal	NOUN
ap-1251	60	21	is	be	AUX
ap-1251	60	22	a	a	DET
ap-1251	60	23	short	short	ADJ
ap-1251	60	24	-	-	PUNCT
ap-1251	60	25	time	time	NOUN
ap-1251	60	26	energy	energy	NOUN
ap-1251	60	27	calculation	calculation	NOUN
ap-1251	60	28	.	.	PUNCT
ap-1251	61	1	if	if	SCONJ
ap-1251	61	2	x(i	x(i	PROPN
ap-1251	61	3	)	)	PUNCT
ap-1251	61	4	is	be	AUX
ap-1251	61	5	the	the	DET
ap-1251	61	6	i	i	PROPN
ap-1251	61	7	-	-	PUNCT
ap-1251	61	8	th	th	X
ap-1251	61	9	sample	sample	NOUN
ap-1251	61	10	of	of	ADP
ap-1251	61	11	speech	speech	NOUN
ap-1251	61	12	,	,	PUNCT
ap-1251	61	13	n	n	X
ap-1251	61	14	is	be	AUX
ap-1251	61	15	the	the	DET
ap-1251	61	16	number	number	NOUN
ap-1251	61	17	of	of	ADP
ap-1251	61	18	samples	sample	NOUN
ap-1251	61	19	in	in	ADP
ap-1251	61	20	a	a	DET
ap-1251	61	21	frame	frame	NOUN
ap-1251	61	22	,	,	PUNCT
ap-1251	61	23	then	then	ADV
ap-1251	61	24	the	the	DET
ap-1251	61	25	short	short	ADJ
ap-1251	61	26	-	-	PUNCT
ap-1251	61	27	time	time	NOUN
ap-1251	61	28	energy	energy	NOUN
ap-1251	61	29	of	of	ADP
ap-1251	61	30	the	the	DET
ap-1251	61	31	j	j	PROPN
ap-1251	61	32	-	-	PUNCT
ap-1251	61	33	th	th	VERB
ap-1251	61	34	frame	frame	NOUN
ap-1251	61	35	of	of	ADP
ap-1251	61	36	a	a	DET
ap-1251	61	37	speech	speech	NOUN
ap-1251	61	38	signal	signal	NOUN
ap-1251	61	39	can	can	AUX
ap-1251	61	40	be	be	AUX
ap-1251	61	41	represented	represent	VERB
ap-1251	61	42	as	as	ADP
ap-1251	61	43	ej	ej	PROPN
ap-1251	61	44	=	=	SYM
ap-1251	61	45	1	1	NUM
ap-1251	61	46	n	n	PROPN
ap-1251	61	47	·	·	PUNCT
ap-1251	61	48	j·n∑	j·n∑	PART
ap-1251	61	49	i=(j−1)·n+1	i=(j−1)·n+1	PROPN
ap-1251	61	50	x2(i	x2(i	PROPN
ap-1251	61	51	)	)	PUNCT
ap-1251	61	52	.	.	PUNCT
ap-1251	62	1	(	(	PUNCT
ap-1251	62	2	3	3	X
ap-1251	62	3	)	)	PUNCT
ap-1251	62	4	another	another	DET
ap-1251	62	5	common	common	ADJ
ap-1251	62	6	way	way	NOUN
ap-1251	62	7	to	to	PART
ap-1251	62	8	calculate	calculate	VERB
ap-1251	62	9	the	the	DET
ap-1251	62	10	energy	energy	NOUN
ap-1251	62	11	of	of	ADP
ap-1251	62	12	a	a	DET
ap-1251	62	13	speech	speech	NOUN
ap-1251	62	14	signal	signal	NOUN
ap-1251	62	15	is	be	AUX
ap-1251	62	16	the	the	DET
ap-1251	62	17	root	root	NOUN
ap-1251	62	18	mean	mean	ADJ
ap-1251	62	19	square	square	ADJ
ap-1251	62	20	energy	energy	NOUN
ap-1251	62	21	(	(	PUNCT
ap-1251	62	22	rmse	rmse	NOUN
ap-1251	62	23	)	)	PUNCT
ap-1251	62	24	,	,	PUNCT
ap-1251	62	25	which	which	PRON
ap-1251	62	26	is	be	AUX
ap-1251	62	27	the	the	DET
ap-1251	62	28	square	square	ADJ
ap-1251	62	29	root	root	NOUN
ap-1251	62	30	of	of	ADP
ap-1251	62	31	the	the	DET
ap-1251	62	32	average	average	ADJ
ap-1251	62	33	sum	sum	NOUN
ap-1251	62	34	of	of	ADP
ap-1251	62	35	the	the	DET
ap-1251	62	36	squares	square	NOUN
ap-1251	62	37	of	of	ADP
ap-1251	62	38	the	the	DET
ap-1251	62	39	amplitude	amplitude	NOUN
ap-1251	62	40	of	of	ADP
ap-1251	62	41	the	the	DET
ap-1251	62	42	signal	signal	NOUN
ap-1251	62	43	samples	sample	NOUN
ap-1251	62	44	(	(	PUNCT
ap-1251	62	45	3	3	NUM
ap-1251	62	46	)	)	PUNCT
ap-1251	62	47	.	.	PUNCT
ap-1251	63	1	ej	ej	PROPN
ap-1251	64	1	=	=	NOUN
ap-1251	64	2	⎡	⎡	NOUN
ap-1251	64	3	⎣	⎣	PROPN
ap-1251	64	4	1	1	NUM
ap-1251	64	5	n	n	NOUN
ap-1251	64	6	·	·	PUNCT
ap-1251	64	7	j·n∑	j·n∑	PART
ap-1251	64	8	i=(j−1)·n+1	i=(j−1)·n+1	PROPN
ap-1251	65	1	x2(i	x2(i	PROPN
ap-1251	65	2	)	)	PUNCT
ap-1251	65	3	⎤	⎤	NOUN
ap-1251	65	4	⎦	⎦	NOUN
ap-1251	65	5	1	1	NUM
ap-1251	65	6	2	2	NUM
ap-1251	65	7	(	(	PUNCT
ap-1251	65	8	4	4	NUM
ap-1251	65	9	)	)	PUNCT
ap-1251	65	10	fig	fig	NOUN
ap-1251	65	11	.	.	PUNCT
ap-1251	65	12	2	2	NUM
ap-1251	65	13	shows	show	VERB
ap-1251	65	14	that	that	SCONJ
ap-1251	65	15	the	the	DET
ap-1251	65	16	power	power	NOUN
ap-1251	65	17	estimate	estimate	NOUN
ap-1251	65	18	of	of	ADP
ap-1251	65	19	a	a	DET
ap-1251	65	20	speech	speech	NOUN
ap-1251	65	21	signal	signal	NOUN
ap-1251	65	22	exhibits	exhibit	VERB
ap-1251	65	23	distinct	distinct	ADJ
ap-1251	65	24	peaks	peak	NOUN
ap-1251	65	25	and	and	CCONJ
ap-1251	65	26	valleys	valley	NOUN
ap-1251	65	27	.	.	PUNCT
ap-1251	66	1	while	while	SCONJ
ap-1251	66	2	the	the	DET
ap-1251	66	3	peaks	peak	NOUN
ap-1251	66	4	correspond	correspond	VERB
ap-1251	66	5	to	to	ADP
ap-1251	66	6	speech	speech	NOUN
ap-1251	66	7	activity	activity	NOUN
ap-1251	66	8	,	,	PUNCT
ap-1251	66	9	the	the	DET
ap-1251	66	10	valleys	valley	NOUN
ap-1251	66	11	can	can	AUX
ap-1251	66	12	be	be	AUX
ap-1251	66	13	used	use	VERB
ap-1251	66	14	to	to	PART
ap-1251	66	15	obtain	obtain	VERB
ap-1251	66	16	a	a	DET
ap-1251	66	17	noise	noise	NOUN
ap-1251	66	18	power	power	NOUN
ap-1251	66	19	estimate	estimate	NOUN
ap-1251	66	20	.	.	PUNCT
ap-1251	67	1	therefore	therefore	ADV
ap-1251	67	2	,	,	PUNCT
ap-1251	67	3	rmse	rmse	PROPN
ap-1251	67	4	is	be	AUX
ap-1251	67	5	more	more	ADV
ap-1251	67	6	appropriate	appropriate	ADJ
ap-1251	67	7	for	for	ADP
ap-1251	67	8	thresholding	thresholding	NOUN
ap-1251	67	9	,	,	PUNCT
ap-1251	67	10	because	because	SCONJ
ap-1251	67	11	it	it	PRON
ap-1251	67	12	display	display	VERB
ap-1251	67	13	valleys	valley	NOUN
ap-1251	67	14	in	in	ADP
ap-1251	67	15	greater	great	ADJ
ap-1251	67	16	detail	detail	NOUN
ap-1251	67	17	.	.	PUNCT
ap-1251	68	1	fig	fig	NOUN
ap-1251	68	2	.	.	PUNCT
ap-1251	69	1	1	1	NUM
ap-1251	69	2	:	:	PUNCT
ap-1251	69	3	block	block	NOUN
ap-1251	69	4	diagram	diagram	NOUN
ap-1251	69	5	of	of	ADP
ap-1251	69	6	a	a	DET
ap-1251	69	7	basic	basic	ADJ
ap-1251	69	8	vad	vad	PROPN
ap-1251	69	9	design	design	NOUN
ap-1251	69	10	fig	fig	NOUN
ap-1251	69	11	.	.	PUNCT
ap-1251	70	1	2	2	NUM
ap-1251	70	2	:	:	PUNCT
ap-1251	70	3	short	short	ADJ
ap-1251	70	4	-	-	PUNCT
ap-1251	70	5	time	time	NOUN
ap-1251	70	6	vs.	vs.	X
ap-1251	70	7	root	root	NOUN
ap-1251	70	8	mean	mean	VERB
ap-1251	70	9	square	square	ADJ
ap-1251	70	10	energy	energy	NOUN
ap-1251	70	11	101	101	NUM
ap-1251	70	12	acta	acta	PROPN
ap-1251	70	13	polytechnica	polytechnica	PROPN
ap-1251	70	14	vol	vol	NOUN
ap-1251	70	15	.	.	PROPN
ap-1251	71	1	50	50	NUM
ap-1251	71	2	no	no	NOUN
ap-1251	71	3	.	.	PUNCT
ap-1251	72	1	4/2010	4/2010	NUM
ap-1251	72	2	fig	fig	NOUN
ap-1251	72	3	.	.	PUNCT
ap-1251	73	1	3	3	NUM
ap-1251	73	2	:	:	PUNCT
ap-1251	73	3	logic	logic	NOUN
ap-1251	73	4	flowchart	flowchart	NOUN
ap-1251	73	5	of	of	ADP
ap-1251	73	6	the	the	DET
ap-1251	73	7	proposed	propose	VERB
ap-1251	73	8	vad	vad	X
ap-1251	73	9	3	3	NUM
ap-1251	73	10	the	the	DET
ap-1251	73	11	proposed	propose	VERB
ap-1251	73	12	voice	voice	NOUN
ap-1251	73	13	activity	activity	NOUN
ap-1251	73	14	detector	detector	NOUN
ap-1251	73	15	for	for	ADP
ap-1251	73	16	voice	voice	NOUN
ap-1251	73	17	/	/	SYM
ap-1251	73	18	silence	silence	NOUN
ap-1251	73	19	detection	detection	NOUN
ap-1251	73	20	,	,	PUNCT
ap-1251	73	21	the	the	DET
ap-1251	73	22	proposed	propose	VERB
ap-1251	73	23	algorithm	algorithm	NOUN
ap-1251	73	24	uses	use	VERB
ap-1251	73	25	a	a	DET
ap-1251	73	26	periodicity	periodicity	NOUN
ap-1251	73	27	measure	measure	NOUN
ap-1251	73	28	of	of	ADP
ap-1251	73	29	the	the	DET
ap-1251	73	30	signal	signal	NOUN
ap-1251	73	31	,	,	PUNCT
ap-1251	73	32	as	as	ADV
ap-1251	73	33	well	well	ADV
ap-1251	73	34	as	as	ADP
ap-1251	73	35	the	the	DET
ap-1251	73	36	high	high	ADJ
ap-1251	73	37	-	-	PUNCT
ap-1251	73	38	frequency	frequency	NOUN
ap-1251	73	39	versus	versus	ADP
ap-1251	73	40	low	low	ADJ
ap-1251	73	41	-	-	PUNCT
ap-1251	73	42	frequency	frequency	NOUN
ap-1251	73	43	signal	signal	NOUN
ap-1251	73	44	energy	energy	NOUN
ap-1251	73	45	ratio	ratio	NOUN
ap-1251	73	46	and	and	CCONJ
ap-1251	73	47	full	full	ADJ
ap-1251	73	48	-	-	PUNCT
ap-1251	73	49	band	band	NOUN
ap-1251	73	50	energy	energy	NOUN
ap-1251	73	51	computation	computation	NOUN
ap-1251	73	52	.	.	PUNCT
ap-1251	74	1	a	a	DET
ap-1251	74	2	simplified	simplified	ADJ
ap-1251	74	3	flowchart	flowchart	NOUN
ap-1251	74	4	of	of	ADP
ap-1251	74	5	the	the	DET
ap-1251	74	6	whole	whole	ADJ
ap-1251	74	7	algorithm	algorithm	NOUN
ap-1251	74	8	is	be	AUX
ap-1251	74	9	given	give	VERB
ap-1251	74	10	in	in	ADP
ap-1251	74	11	fig	fig	NOUN
ap-1251	74	12	.	.	PUNCT
ap-1251	75	1	3	3	NUM
ap-1251	75	2	.	.	NOUN
ap-1251	75	3	3.1	3.1	NUM
ap-1251	75	4	feature	feature	NOUN
ap-1251	75	5	extraction	extraction	NOUN
ap-1251	75	6	signal	signal	NOUN
ap-1251	75	7	periodicity	periodicity	NOUN
ap-1251	75	8	c	c	NOUN
ap-1251	75	9	is	be	AUX
ap-1251	75	10	determined	determine	VERB
ap-1251	75	11	by	by	ADP
ap-1251	75	12	estimating	estimate	VERB
ap-1251	75	13	the	the	DET
ap-1251	75	14	pitch	pitch	NOUN
ap-1251	75	15	period	period	NOUN
ap-1251	75	16	of	of	ADP
ap-1251	75	17	the	the	DET
ap-1251	75	18	signal	signal	NOUN
ap-1251	75	19	.	.	PUNCT
ap-1251	76	1	to	to	PART
ap-1251	76	2	reduce	reduce	VERB
ap-1251	76	3	the	the	DET
ap-1251	76	4	computational	computational	ADJ
ap-1251	76	5	complexity	complexity	NOUN
ap-1251	76	6	,	,	PUNCT
ap-1251	76	7	the	the	DET
ap-1251	76	8	input	input	NOUN
ap-1251	76	9	signal	signal	NOUN
ap-1251	76	10	is	be	AUX
ap-1251	76	11	first	first	ADJ
ap-1251	76	12	center	center	NOUN
ap-1251	76	13	clipped	clip	VERB
ap-1251	76	14	[	[	X
ap-1251	76	15	9	9	NUM
ap-1251	76	16	]	]	PUNCT
ap-1251	76	17	,	,	PUNCT
ap-1251	76	18	then	then	ADV
ap-1251	76	19	the	the	DET
ap-1251	76	20	normalized	normalize	VERB
ap-1251	76	21	autocorrelation	autocorrelation	NOUN
ap-1251	76	22	function	function	NOUN
ap-1251	76	23	r(τ	r(τ	PROPN
ap-1251	76	24	)	)	PUNCT
ap-1251	76	25	given	give	VERB
ap-1251	76	26	by	by	ADP
ap-1251	76	27	(	(	PUNCT
ap-1251	76	28	5	5	NUM
ap-1251	76	29	)	)	PUNCT
ap-1251	76	30	is	be	AUX
ap-1251	76	31	used	use	VERB
ap-1251	76	32	for	for	ADP
ap-1251	76	33	pitch	pitch	NOUN
ap-1251	76	34	estimation	estimation	NOUN
ap-1251	76	35	.	.	PUNCT
ap-1251	77	1	r(τ	r(τ	PROPN
ap-1251	77	2	)	)	PUNCT
ap-1251	78	1	=	=	SYM
ap-1251	78	2	n−m−1∑	n−m−1∑	PROPN
ap-1251	78	3	n=0	n=0	NUM
ap-1251	78	4	x(n	x(n	NOUN
ap-1251	78	5	)	)	PUNCT
ap-1251	78	6	·	·	PUNCT
ap-1251	78	7	x(n+	x(n+	PUNCT
ap-1251	79	1	τ	τ	X
ap-1251	79	2	)	)	PUNCT
ap-1251	79	3	√√√√n−m−1∑	√√√√n−m−1∑	ADP
ap-1251	79	4	n=0	n=0	PROPN
ap-1251	79	5	x2(n+	x2(n+	PROPN
ap-1251	79	6	τ	τ	PROPN
ap-1251	79	7	)	)	PUNCT
ap-1251	79	8	,	,	PUNCT
ap-1251	79	9	(	(	PUNCT
ap-1251	79	10	5	5	X
ap-1251	79	11	)	)	PUNCT
ap-1251	79	12	tmin	tmin	NOUN
ap-1251	79	13	≤	≤	NUM
ap-1251	79	14	τ	τ	X
ap-1251	79	15	≤	≤	NOUN
ap-1251	79	16	tmax	tmax	ADP
ap-1251	79	17	where	where	SCONJ
ap-1251	79	18	x(n	x(n	NOUN
ap-1251	79	19	)	)	PUNCT
ap-1251	79	20	n	n	NOUN
ap-1251	79	21	=	=	SYM
ap-1251	79	22	0	0	NUM
ap-1251	79	23	,	,	PUNCT
ap-1251	79	24	1	1	NUM
ap-1251	79	25	,	,	PUNCT
ap-1251	79	26	.	.	PUNCT
ap-1251	79	27	.	.	PUNCT
ap-1251	80	1	.	.	PUNCT
ap-1251	81	1	,	,	PUNCT
ap-1251	81	2	n	n	PRON
ap-1251	81	3	is	be	AUX
ap-1251	81	4	the	the	DET
ap-1251	81	5	input	input	NOUN
ap-1251	81	6	signal	signal	NOUN
ap-1251	81	7	frame	frame	NOUN
ap-1251	81	8	.	.	PUNCT
ap-1251	82	1	the	the	DET
ap-1251	82	2	autocorrelation	autocorrelation	NOUN
ap-1251	82	3	function	function	NOUN
ap-1251	82	4	is	be	AUX
ap-1251	82	5	calculated	calculate	VERB
ap-1251	82	6	for	for	ADP
ap-1251	82	7	values	value	NOUN
ap-1251	82	8	of	of	ADP
ap-1251	82	9	lag	lag	NOUN
ap-1251	82	10	τ	τ	PROPN
ap-1251	82	11	from	from	ADP
ap-1251	82	12	tmin	tmin	NOUN
ap-1251	82	13	to	to	ADP
ap-1251	82	14	tmax	tmax	PROPN
ap-1251	82	15	.	.	PUNCT
ap-1251	83	1	the	the	DET
ap-1251	83	2	constants	constant	NOUN
ap-1251	83	3	tmin	tmin	PROPN
ap-1251	83	4	and	and	CCONJ
ap-1251	83	5	tmax	tmax	ADV
ap-1251	83	6	are	be	AUX
ap-1251	83	7	the	the	DET
ap-1251	83	8	lower	low	ADJ
ap-1251	83	9	and	and	CCONJ
ap-1251	83	10	upper	upper	ADJ
ap-1251	83	11	limits	limit	NOUN
ap-1251	83	12	of	of	ADP
ap-1251	83	13	the	the	DET
ap-1251	83	14	pitch	pitch	NOUN
ap-1251	83	15	period	period	NOUN
ap-1251	83	16	,	,	PUNCT
ap-1251	83	17	respectively	respectively	ADV
ap-1251	83	18	.	.	PUNCT
ap-1251	84	1	the	the	DET
ap-1251	84	2	pitch	pitch	NOUN
ap-1251	84	3	period	period	NOUN
ap-1251	84	4	of	of	ADP
ap-1251	84	5	a	a	DET
ap-1251	84	6	voiced	voice	VERB
ap-1251	84	7	frame	frame	NOUN
ap-1251	84	8	is	be	AUX
ap-1251	84	9	equal	equal	ADJ
ap-1251	84	10	to	to	ADP
ap-1251	84	11	the	the	DET
ap-1251	84	12	value	value	NOUN
ap-1251	84	13	of	of	ADP
ap-1251	84	14	τ	τ	PROPN
ap-1251	84	15	that	that	PRON
ap-1251	84	16	maximizes	maximize	VERB
ap-1251	84	17	the	the	DET
ap-1251	84	18	normalized	normalize	VERB
ap-1251	84	19	autocorrelation	autocorrelation	NOUN
ap-1251	84	20	function	function	NOUN
ap-1251	84	21	.	.	PUNCT
ap-1251	85	1	the	the	DET
ap-1251	85	2	periodicity	periodicity	NOUN
ap-1251	85	3	c	c	NOUN
ap-1251	85	4	of	of	ADP
ap-1251	85	5	the	the	DET
ap-1251	85	6	frame	frame	NOUN
ap-1251	85	7	is	be	AUX
ap-1251	85	8	given	give	VERB
ap-1251	85	9	by	by	ADP
ap-1251	85	10	maximum	maximum	ADJ
ap-1251	85	11	value	value	NOUN
ap-1251	85	12	of	of	ADP
ap-1251	85	13	r(τ	r(τ	PROPN
ap-1251	85	14	)	)	PUNCT
ap-1251	85	15	.	.	PUNCT
ap-1251	86	1	the	the	DET
ap-1251	86	2	total	total	ADJ
ap-1251	86	3	voice	voice	NOUN
ap-1251	86	4	band	band	NOUN
ap-1251	86	5	energy	energy	NOUN
ap-1251	86	6	ef	ef	PROPN
ap-1251	86	7	is	be	AUX
ap-1251	86	8	computed	compute	VERB
ap-1251	86	9	for	for	SCONJ
ap-1251	86	10	the	the	DET
ap-1251	86	11	voice	voice	NOUN
ap-1251	86	12	band	band	NOUN
ap-1251	86	13	frequency	frequency	NOUN
ap-1251	86	14	range	range	NOUN
ap-1251	86	15	from	from	ADP
ap-1251	86	16	0	0	NUM
ap-1251	86	17	hz	hz	VERB
ap-1251	86	18	to	to	ADP
ap-1251	86	19	4	4	NUM
ap-1251	86	20	khz	khz	NOUN
ap-1251	86	21	.	.	PUNCT
ap-1251	87	1	the	the	DET
ap-1251	87	2	total	total	ADJ
ap-1251	87	3	voice	voice	NOUN
ap-1251	87	4	band	band	NOUN
ap-1251	87	5	energy	energy	NOUN
ap-1251	87	6	is	be	AUX
ap-1251	87	7	given	give	VERB
ap-1251	87	8	by	by	ADP
ap-1251	87	9	(	(	PUNCT
ap-1251	87	10	4	4	NUM
ap-1251	87	11	)	)	PUNCT
ap-1251	87	12	.	.	PUNCT
ap-1251	88	1	the	the	DET
ap-1251	88	2	computation	computation	NOUN
ap-1251	88	3	of	of	ADP
ap-1251	88	4	the	the	DET
ap-1251	88	5	threshold	threshold	NOUN
ap-1251	88	6	for	for	ADP
ap-1251	88	7	total	total	ADJ
ap-1251	88	8	voiceband	voiceband	NOUN
ap-1251	88	9	energy	energy	NOUN
ap-1251	88	10	is	be	AUX
ap-1251	88	11	based	base	VERB
ap-1251	88	12	on	on	ADP
ap-1251	88	13	the	the	DET
ap-1251	88	14	energy	energy	NOUN
ap-1251	88	15	level	level	NOUN
ap-1251	88	16	emin	emin	PROPN
ap-1251	88	17	and	and	CCONJ
ap-1251	88	18	emax	emax	NOUN
ap-1251	88	19	,	,	PUNCT
ap-1251	88	20	obtained	obtain	VERB
ap-1251	88	21	from	from	ADP
ap-1251	88	22	the	the	DET
ap-1251	88	23	sequence	sequence	NOUN
ap-1251	88	24	of	of	ADP
ap-1251	88	25	incoming	incoming	ADJ
ap-1251	88	26	frames	frame	NOUN
ap-1251	88	27	.	.	PUNCT
ap-1251	89	1	these	these	DET
ap-1251	89	2	values	value	NOUN
ap-1251	89	3	are	be	AUX
ap-1251	89	4	stored	store	VERB
ap-1251	89	5	in	in	ADP
ap-1251	89	6	memory	memory	NOUN
ap-1251	89	7	and	and	CCONJ
ap-1251	89	8	the	the	DET
ap-1251	89	9	threshold	threshold	NOUN
ap-1251	89	10	is	be	AUX
ap-1251	89	11	calculated	calculate	VERB
ap-1251	89	12	as	as	ADP
ap-1251	89	13	,	,	PUNCT
ap-1251	89	14	threshold	threshold	NOUN
ap-1251	89	15	=	=	SYM
ap-1251	89	16	(	(	PUNCT
ap-1251	89	17	1	1	NUM
ap-1251	89	18	−	−	PROPN
ap-1251	89	19	λ	λ	NOUN
ap-1251	89	20	)	)	PUNCT
ap-1251	89	21	·	·	PUNCT
ap-1251	90	1	emax	emax	X
ap-1251	90	2	+	+	CCONJ
ap-1251	90	3	λ	λ	PROPN
ap-1251	90	4	·	·	PUNCT
ap-1251	90	5	emin	emin	PROPN
ap-1251	90	6	(	(	PUNCT
ap-1251	90	7	6	6	NUM
ap-1251	90	8	)	)	PUNCT
ap-1251	90	9	λ	λ	NOUN
ap-1251	90	10	=	=	SYM
ap-1251	90	11	emax	emax	PROPN
ap-1251	90	12	−	−	PROPN
ap-1251	90	13	emin	emin	PROPN
ap-1251	90	14	emax	emax	PROPN
ap-1251	90	15	.	.	PUNCT
ap-1251	91	1	(	(	PUNCT
ap-1251	91	2	7	7	X
ap-1251	91	3	)	)	PUNCT
ap-1251	91	4	here	here	ADV
ap-1251	91	5	,	,	PUNCT
ap-1251	91	6	λ	λ	INTJ
ap-1251	91	7	–	–	PUNCT
ap-1251	91	8	a	a	DET
ap-1251	91	9	scaling	scale	VERB
ap-1251	91	10	factor	factor	NOUN
ap-1251	91	11	controlling	control	VERB
ap-1251	91	12	the	the	DET
ap-1251	91	13	estimation	estimation	NOUN
ap-1251	91	14	process	process	NOUN
ap-1251	91	15	.	.	PUNCT
ap-1251	92	1	the	the	DET
ap-1251	92	2	voice	voice	NOUN
ap-1251	92	3	detector	detector	NOUN
ap-1251	92	4	performs	perform	VERB
ap-1251	92	5	reliably	reliably	ADV
ap-1251	92	6	when	when	SCONJ
ap-1251	92	7	λ	λ	PROPN
ap-1251	92	8	is	be	AUX
ap-1251	92	9	in	in	ADP
ap-1251	92	10	the	the	DET
ap-1251	92	11	range	range	NOUN
ap-1251	92	12	of	of	ADP
ap-1251	92	13	[	[	X
ap-1251	92	14	0.950	0.950	NUM
ap-1251	92	15	,	,	PUNCT
ap-1251	92	16	.	.	PUNCT
ap-1251	92	17	.	.	PUNCT
ap-1251	93	1	.	.	PUNCT
ap-1251	94	1	,	,	PUNCT
ap-1251	94	2	0.999	0.999	NUM
ap-1251	94	3	]	]	PUNCT
ap-1251	94	4	.	.	PUNCT
ap-1251	95	1	for	for	ADP
ap-1251	95	2	different	different	ADJ
ap-1251	95	3	types	type	NOUN
ap-1251	95	4	of	of	ADP
ap-1251	95	5	signals	signal	NOUN
ap-1251	95	6	the	the	DET
ap-1251	95	7	value	value	NOUN
ap-1251	95	8	of	of	ADP
ap-1251	95	9	λ	λ	PROPN
ap-1251	95	10	can	can	AUX
ap-1251	95	11	not	not	PART
ap-1251	95	12	be	be	AUX
ap-1251	95	13	the	the	DET
ap-1251	95	14	same	same	ADJ
ap-1251	95	15	,	,	PUNCT
ap-1251	95	16	so	so	SCONJ
ap-1251	95	17	it	it	PRON
ap-1251	95	18	must	must	AUX
ap-1251	95	19	be	be	AUX
ap-1251	95	20	set	set	VERB
ap-1251	95	21	up	up	ADP
ap-1251	95	22	properly	properly	ADV
ap-1251	95	23	.	.	PUNCT
ap-1251	96	1	computing	compute	VERB
ap-1251	96	2	the	the	DET
ap-1251	96	3	scaling	scale	VERB
ap-1251	96	4	factor	factor	NOUN
ap-1251	96	5	λ	λ	X
ap-1251	96	6	by	by	ADP
ap-1251	96	7	(	(	PUNCT
ap-1251	96	8	7	7	X
ap-1251	96	9	)	)	PUNCT
ap-1251	96	10	makes	make	VERB
ap-1251	96	11	it	it	PRON
ap-1251	96	12	independent	independent	ADJ
ap-1251	96	13	and	and	CCONJ
ap-1251	96	14	resistant	resistant	ADJ
ap-1251	96	15	to	to	ADP
ap-1251	96	16	the	the	DET
ap-1251	96	17	variable	variable	ADJ
ap-1251	96	18	background	background	NOUN
ap-1251	96	19	environment	environment	NOUN
ap-1251	96	20	.	.	PUNCT
ap-1251	97	1	fig	fig	NOUN
ap-1251	97	2	.	.	PUNCT
ap-1251	98	1	4	4	NUM
ap-1251	98	2	:	:	PUNCT
ap-1251	98	3	threshold	threshold	NOUN
ap-1251	98	4	computation	computation	NOUN
ap-1251	98	5	for	for	ADP
ap-1251	98	6	total	total	ADJ
ap-1251	98	7	band	band	NOUN
ap-1251	98	8	signal	signal	NOUN
ap-1251	98	9	energy	energy	NOUN
ap-1251	98	10	energy	energy	NOUN
ap-1251	98	11	ratio	ratio	NOUN
ap-1251	98	12	er	er	INTJ
ap-1251	98	13	is	be	AUX
ap-1251	98	14	computed	compute	VERB
ap-1251	98	15	as	as	ADP
ap-1251	98	16	the	the	DET
ap-1251	98	17	ratio	ratio	NOUN
ap-1251	98	18	of	of	ADP
ap-1251	98	19	the	the	DET
ap-1251	98	20	energy	energy	NOUN
ap-1251	98	21	above	above	ADP
ap-1251	98	22	2	2	NUM
ap-1251	98	23	khz	khz	NOUN
ap-1251	98	24	to	to	ADP
ap-1251	98	25	the	the	DET
ap-1251	98	26	energy	energy	NOUN
ap-1251	98	27	below	below	ADP
ap-1251	98	28	2khz	2khz	PROPN
ap-1251	98	29	in	in	ADP
ap-1251	98	30	the	the	DET
ap-1251	98	31	input	input	NOUN
ap-1251	98	32	voice	voice	NOUN
ap-1251	98	33	band	band	NOUN
ap-1251	98	34	signal	signal	NOUN
ap-1251	98	35	.	.	PUNCT
ap-1251	99	1	to	to	PART
ap-1251	99	2	obtain	obtain	VERB
ap-1251	99	3	a	a	DET
ap-1251	99	4	high	high	ADJ
ap-1251	99	5	-	-	PUNCT
ap-1251	99	6	frequency	frequency	NOUN
ap-1251	99	7	signal	signal	NOUN
ap-1251	99	8	,	,	PUNCT
ap-1251	99	9	the	the	DET
ap-1251	99	10	input	input	NOUN
ap-1251	99	11	signal	signal	NOUN
ap-1251	99	12	is	be	AUX
ap-1251	99	13	passed	pass	VERB
ap-1251	99	14	through	through	ADP
ap-1251	99	15	a	a	DET
ap-1251	99	16	high	high	ADJ
ap-1251	99	17	-	-	PUNCT
ap-1251	99	18	pass	pass	NOUN
ap-1251	99	19	filter	filter	NOUN
ap-1251	99	20	that	that	PRON
ap-1251	99	21	has	have	VERB
ap-1251	99	22	a	a	DET
ap-1251	99	23	cut	cut	VERB
ap-1251	99	24	-	-	PUNCT
ap-1251	99	25	off	off	ADP
ap-1251	99	26	frequency	frequency	NOUN
ap-1251	99	27	of	of	ADP
ap-1251	99	28	2	2	NUM
ap-1251	99	29	khz	khz	NOUN
ap-1251	99	30	.	.	PUNCT
ap-1251	100	1	the	the	DET
ap-1251	100	2	high	high	ADJ
ap-1251	100	3	frequency	frequency	NOUN
ap-1251	100	4	to	to	ADP
ap-1251	100	5	low	low	ADJ
ap-1251	100	6	frequency	frequency	NOUN
ap-1251	100	7	energy	energy	NOUN
ap-1251	100	8	ratio	ratio	NOUN
ap-1251	100	9	er	er	INTJ
ap-1251	100	10	is	be	AUX
ap-1251	100	11	calculated	calculate	VERB
ap-1251	100	12	as	as	ADP
ap-1251	100	13	er	er	INTJ
ap-1251	100	14	=	=	SYM
ap-1251	100	15	eh/(ef	eh/(ef	NOUN
ap-1251	100	16	−	−	PROPN
ap-1251	100	17	eh	eh	INTJ
ap-1251	100	18	)	)	PUNCT
ap-1251	100	19	(	(	PUNCT
ap-1251	100	20	8)	8)	NUM
ap-1251	100	21	where	where	SCONJ
ap-1251	100	22	ef	ef	PROPN
ap-1251	100	23	and	and	CCONJ
ap-1251	100	24	eh	eh	INTJ
ap-1251	100	25	are	be	AUX
ap-1251	100	26	the	the	DET
ap-1251	100	27	full	full	ADJ
ap-1251	100	28	band	band	NOUN
ap-1251	100	29	and	and	CCONJ
ap-1251	100	30	high	high	ADJ
ap-1251	100	31	band	band	NOUN
ap-1251	100	32	signal	signal	NOUN
ap-1251	100	33	energy	energy	NOUN
ap-1251	100	34	,	,	PUNCT
ap-1251	100	35	respectively	respectively	ADV
ap-1251	100	36	,	,	PUNCT
ap-1251	100	37	calculated	calculate	VERB
ap-1251	100	38	by	by	ADP
ap-1251	100	39	(	(	PUNCT
ap-1251	100	40	2	2	NUM
ap-1251	100	41	)	)	PUNCT
ap-1251	100	42	and	and	CCONJ
ap-1251	100	43	expressed	express	VERB
ap-1251	100	44	in	in	ADP
ap-1251	100	45	db	db	PROPN
ap-1251	100	46	.	.	PROPN
ap-1251	100	47	102	102	NUM
ap-1251	100	48	acta	acta	PROPN
ap-1251	100	49	polytechnica	polytechnica	PROPN
ap-1251	100	50	vol	vol	NOUN
ap-1251	100	51	.	.	PROPN
ap-1251	101	1	50	50	NUM
ap-1251	101	2	no	no	NOUN
ap-1251	101	3	.	.	PUNCT
ap-1251	102	1	4/2010	4/2010	NUM
ap-1251	102	2	fig	fig	NOUN
ap-1251	102	3	.	.	PUNCT
ap-1251	103	1	5	5	NUM
ap-1251	103	2	:	:	PUNCT
ap-1251	103	3	detailed	detailed	ADJ
ap-1251	103	4	flowchart	flowchart	NOUN
ap-1251	103	5	of	of	ADP
ap-1251	103	6	the	the	DET
ap-1251	103	7	proposed	propose	VERB
ap-1251	103	8	vad	vad	X
ap-1251	103	9	3.2	3.2	NUM
ap-1251	103	10	thresholding	thresholding	NOUN
ap-1251	103	11	and	and	CCONJ
ap-1251	103	12	the	the	DET
ap-1251	103	13	hang	hang	VERB
ap-1251	103	14	-	-	PUNCT
ap-1251	103	15	over	over	ADP
ap-1251	103	16	algorithm	algorithm	NOUN
ap-1251	103	17	after	after	ADP
ap-1251	103	18	feature	feature	NOUN
ap-1251	103	19	extraction	extraction	NOUN
ap-1251	103	20	,	,	PUNCT
ap-1251	103	21	the	the	DET
ap-1251	103	22	parameters	parameter	NOUN
ap-1251	103	23	are	be	AUX
ap-1251	103	24	compared	compare	VERB
ap-1251	103	25	with	with	ADP
ap-1251	103	26	several	several	ADJ
ap-1251	103	27	thresholds	threshold	NOUN
ap-1251	103	28	to	to	PART
ap-1251	103	29	generate	generate	VERB
ap-1251	103	30	an	an	DET
ap-1251	103	31	initial	initial	ADJ
ap-1251	103	32	vad	vad	NOUN
ap-1251	103	33	decision	decision	NOUN
ap-1251	103	34	(	(	PUNCT
ap-1251	103	35	iv	iv	NUM
ap-1251	103	36	ad	ad	NOUN
ap-1251	103	37	)	)	PUNCT
ap-1251	103	38	(	(	PUNCT
ap-1251	103	39	see	see	VERB
ap-1251	103	40	fig	fig	NOUN
ap-1251	103	41	.	.	PUNCT
ap-1251	104	1	5	5	NUM
ap-1251	104	2	)	)	PUNCT
ap-1251	104	3	.	.	PUNCT
ap-1251	105	1	after	after	SCONJ
ap-1251	105	2	the	the	DET
ap-1251	105	3	thresholds	threshold	NOUN
ap-1251	105	4	have	have	AUX
ap-1251	105	5	been	be	AUX
ap-1251	105	6	compared	compare	VERB
ap-1251	105	7	to	to	PART
ap-1251	105	8	determinate	determinate	VERB
ap-1251	105	9	the	the	DET
ap-1251	105	10	value	value	NOUN
ap-1251	105	11	of	of	ADP
ap-1251	105	12	iv	iv	NUM
ap-1251	105	13	ad	ad	NOUN
ap-1251	105	14	,	,	PUNCT
ap-1251	105	15	a	a	DET
ap-1251	105	16	final	final	ADJ
ap-1251	105	17	output	output	NOUN
ap-1251	105	18	decision	decision	NOUN
ap-1251	105	19	is	be	AUX
ap-1251	105	20	made	make	VERB
ap-1251	105	21	according	accord	VERB
ap-1251	105	22	to	to	ADP
ap-1251	105	23	the	the	DET
ap-1251	105	24	lower	low	ADJ
ap-1251	105	25	part	part	NOUN
ap-1251	105	26	of	of	ADP
ap-1251	105	27	the	the	DET
ap-1251	105	28	algorithm	algorithm	PROPN
ap-1251	105	29	flowchart	flowchart	PROPN
ap-1251	105	30	.	.	PUNCT
ap-1251	106	1	output	output	NOUN
ap-1251	106	2	decision	decision	NOUN
ap-1251	106	3	fv	fv	X
ap-1251	106	4	ad	ad	NOUN
ap-1251	106	5	is	be	AUX
ap-1251	106	6	performed	perform	VERB
ap-1251	106	7	anew	anew	ADV
ap-1251	106	8	for	for	ADP
ap-1251	106	9	each	each	DET
ap-1251	106	10	value	value	NOUN
ap-1251	106	11	of	of	ADP
ap-1251	106	12	iv	iv	NUM
ap-1251	106	13	ad	ad	NOUN
ap-1251	106	14	produced	produce	VERB
ap-1251	106	15	by	by	ADP
ap-1251	106	16	threshold	threshold	NOUN
ap-1251	106	17	comparison	comparison	NOUN
ap-1251	106	18	.	.	PUNCT
ap-1251	107	1	the	the	DET
ap-1251	107	2	final	final	ADJ
ap-1251	107	3	output	output	NOUN
ap-1251	107	4	decision	decision	NOUN
ap-1251	107	5	involves	involve	VERB
ap-1251	107	6	usage	usage	NOUN
ap-1251	107	7	of	of	ADP
ap-1251	107	8	a	a	DET
ap-1251	107	9	smoothing	smooth	VERB
ap-1251	107	10	hang	hang	NOUN
ap-1251	107	11	-	-	PUNCT
ap-1251	107	12	over	over	ADP
ap-1251	107	13	algorithm	algorithm	NOUN
ap-1251	107	14	to	to	PART
ap-1251	107	15	ensure	ensure	VERB
ap-1251	107	16	that	that	SCONJ
ap-1251	107	17	detection	detection	NOUN
ap-1251	107	18	of	of	ADP
ap-1251	107	19	either	either	CCONJ
ap-1251	107	20	the	the	DET
ap-1251	107	21	presence	presence	NOUN
ap-1251	107	22	or	or	CCONJ
ap-1251	107	23	the	the	DET
ap-1251	107	24	absence	absence	NOUN
ap-1251	107	25	of	of	ADP
ap-1251	107	26	speech	speech	NOUN
ap-1251	107	27	lasts	last	VERB
ap-1251	107	28	for	for	ADP
ap-1251	107	29	at	at	ADV
ap-1251	107	30	least	least	ADJ
ap-1251	107	31	a	a	DET
ap-1251	107	32	minimum	minimum	ADJ
ap-1251	107	33	period	period	NOUN
ap-1251	107	34	of	of	ADP
ap-1251	107	35	time	time	NOUN
ap-1251	107	36	and	and	CCONJ
ap-1251	107	37	does	do	AUX
ap-1251	107	38	not	not	PART
ap-1251	107	39	oscillate	oscillate	VERB
ap-1251	107	40	on	on	ADP
ap-1251	107	41	-	-	PUNCT
ap-1251	107	42	and	and	CCONJ
ap-1251	107	43	-	-	PUNCT
ap-1251	107	44	off	off	NOUN
ap-1251	107	45	.	.	PUNCT
ap-1251	108	1	upon	upon	SCONJ
ap-1251	108	2	startup	startup	NOUN
ap-1251	108	3	of	of	ADP
ap-1251	108	4	vad	vad	PROPN
ap-1251	108	5	,	,	PUNCT
ap-1251	108	6	the	the	DET
ap-1251	108	7	values	value	NOUN
ap-1251	108	8	of	of	ADP
ap-1251	108	9	a	a	DET
ap-1251	108	10	hangover	hangover	NOUN
ap-1251	108	11	flag	flag	NOUN
ap-1251	108	12	hv	hv	NOUN
ap-1251	108	13	ad	ad	NOUN
ap-1251	108	14	and	and	CCONJ
ap-1251	108	15	a	a	DET
ap-1251	108	16	final	final	ADJ
ap-1251	108	17	vad	vad	ADJ
ap-1251	108	18	flag	flag	NOUN
ap-1251	108	19	fv	fv	NOUN
ap-1251	108	20	ad	ad	NOUN
ap-1251	108	21	are	be	AUX
ap-1251	108	22	initialized	initialize	VERB
ap-1251	108	23	to	to	ADP
ap-1251	108	24	zero	zero	NUM
ap-1251	108	25	.	.	PUNCT
ap-1251	109	1	the	the	DET
ap-1251	109	2	output	output	NOUN
ap-1251	109	3	decision	decision	NOUN
ap-1251	109	4	block	block	NOUN
ap-1251	109	5	checks	check	NOUN
ap-1251	109	6	whether	whether	SCONJ
ap-1251	109	7	the	the	DET
ap-1251	109	8	received	receive	VERB
ap-1251	109	9	iv	iv	NUM
ap-1251	109	10	ad	ad	NOUN
ap-1251	109	11	value	value	NOUN
ap-1251	109	12	is	be	AUX
ap-1251	109	13	one	one	NUM
ap-1251	109	14	.	.	PUNCT
ap-1251	110	1	if	if	SCONJ
ap-1251	110	2	so	so	ADV
ap-1251	110	3	,	,	PUNCT
ap-1251	110	4	it	it	PRON
ap-1251	110	5	means	mean	VERB
ap-1251	110	6	that	that	SCONJ
ap-1251	110	7	speech	speech	NOUN
ap-1251	110	8	has	have	AUX
ap-1251	110	9	been	be	AUX
ap-1251	110	10	detected	detect	VERB
ap-1251	110	11	.	.	PUNCT
ap-1251	111	1	the	the	DET
ap-1251	111	2	output	output	NOUN
ap-1251	111	3	decision	decision	NOUN
ap-1251	111	4	therefore	therefore	ADV
ap-1251	111	5	sets	set	VERB
ap-1251	111	6	hv	hv	PROPN
ap-1251	111	7	ad	ad	NOUN
ap-1251	111	8	and	and	CCONJ
ap-1251	111	9	fv	fv	X
ap-1251	111	10	ad	ad	NOUN
ap-1251	111	11	to	to	ADP
ap-1251	111	12	one	one	NUM
ap-1251	111	13	.	.	PUNCT
ap-1251	112	1	if	if	SCONJ
ap-1251	112	2	the	the	DET
ap-1251	112	3	value	value	NOUN
ap-1251	112	4	of	of	ADP
ap-1251	112	5	iv	iv	NUM
ap-1251	112	6	ad	ad	NOUN
ap-1251	112	7	is	be	AUX
ap-1251	112	8	found	find	VERB
ap-1251	112	9	to	to	PART
ap-1251	112	10	be	be	AUX
ap-1251	112	11	zero	zero	NUM
ap-1251	112	12	,	,	PUNCT
ap-1251	112	13	speech	speech	NOUN
ap-1251	112	14	has	have	AUX
ap-1251	112	15	not	not	PART
ap-1251	112	16	been	be	AUX
ap-1251	112	17	detected	detect	VERB
ap-1251	112	18	.	.	PUNCT
ap-1251	113	1	however	however	ADV
ap-1251	113	2	,	,	PUNCT
ap-1251	113	3	the	the	DET
ap-1251	113	4	output	output	NOUN
ap-1251	113	5	decision	decision	NOUN
ap-1251	113	6	checks	check	NOUN
ap-1251	113	7	whether	whether	SCONJ
ap-1251	113	8	the	the	DET
ap-1251	113	9	value	value	NOUN
ap-1251	113	10	of	of	ADP
ap-1251	113	11	hv	hv	PROPN
ap-1251	113	12	ad	ad	NOUN
ap-1251	113	13	is	be	AUX
ap-1251	113	14	set	set	VERB
ap-1251	113	15	to	to	ADP
ap-1251	113	16	one	one	NUM
ap-1251	113	17	from	from	ADP
ap-1251	113	18	the	the	DET
ap-1251	113	19	previous	previous	ADJ
ap-1251	113	20	frame	frame	NOUN
ap-1251	113	21	.	.	PUNCT
ap-1251	114	1	if	if	SCONJ
ap-1251	114	2	so	so	ADV
ap-1251	114	3	,	,	PUNCT
ap-1251	114	4	the	the	DET
ap-1251	114	5	output	output	NOUN
ap-1251	114	6	decision	decision	NOUN
ap-1251	114	7	checks	check	NOUN
ap-1251	114	8	whether	whether	SCONJ
ap-1251	114	9	the	the	DET
ap-1251	114	10	smoothed	smooth	VERB
ap-1251	114	11	value	value	NOUN
ap-1251	114	12	efs	ef	VERB
ap-1251	114	13	less	less	ADJ
ap-1251	114	14	the	the	DET
ap-1251	114	15	value	value	NOUN
ap-1251	114	16	of	of	ADP
ap-1251	114	17	emin	emin	PROPN
ap-1251	114	18	is	be	AUX
ap-1251	114	19	greater	great	ADJ
ap-1251	114	20	than	than	ADP
ap-1251	114	21	8	8	NUM
ap-1251	114	22	db	db	NOUN
ap-1251	114	23	.	.	PUNCT
ap-1251	115	1	if	if	SCONJ
ap-1251	115	2	so	so	ADV
ap-1251	115	3	,	,	PUNCT
ap-1251	115	4	holdover	holdover	PROPN
ap-1251	115	5	is	be	AUX
ap-1251	115	6	indicated	indicate	VERB
ap-1251	115	7	,	,	PUNCT
ap-1251	115	8	and	and	CCONJ
ap-1251	115	9	so	so	ADV
ap-1251	115	10	the	the	DET
ap-1251	115	11	output	output	NOUN
ap-1251	115	12	decision	decision	NOUN
ap-1251	115	13	maintains	maintain	VERB
ap-1251	115	14	fv	fv	PROPN
ap-1251	115	15	ad	ad	NOUN
ap-1251	115	16	set	set	VERB
ap-1251	115	17	to	to	ADP
ap-1251	115	18	one	one	NUM
ap-1251	115	19	,	,	PUNCT
ap-1251	115	20	even	even	ADV
ap-1251	115	21	though	though	SCONJ
ap-1251	115	22	speech	speech	NOUN
ap-1251	115	23	has	have	AUX
ap-1251	115	24	not	not	PART
ap-1251	115	25	been	be	AUX
ap-1251	115	26	detected	detect	VERB
ap-1251	115	27	.	.	PUNCT
ap-1251	116	1	4	4	NUM
ap-1251	116	2	experimental	experimental	ADJ
ap-1251	116	3	results	result	NOUN
ap-1251	116	4	the	the	DET
ap-1251	116	5	matlab	matlab	PROPN
ap-1251	116	6	environment	environment	NOUN
ap-1251	116	7	was	be	AUX
ap-1251	116	8	used	use	VERB
ap-1251	116	9	to	to	PART
ap-1251	116	10	test	test	VERB
ap-1251	116	11	the	the	DET
ap-1251	116	12	algorithms	algorithm	NOUN
ap-1251	116	13	on	on	ADP
ap-1251	116	14	thirty	thirty	NUM
ap-1251	116	15	speech	speech	NOUN
ap-1251	116	16	signals	signal	NOUN
ap-1251	116	17	from	from	ADP
ap-1251	116	18	the	the	DET
ap-1251	116	19	czech	czech	PROPN
ap-1251	116	20	speech	speech	NOUN
ap-1251	116	21	database	database	NOUN
ap-1251	116	22	.	.	PUNCT
ap-1251	117	1	the	the	DET
ap-1251	117	2	test	test	NOUN
ap-1251	117	3	templates	template	NOUN
ap-1251	117	4	varied	varied	ADJ
ap-1251	117	5	in	in	ADP
ap-1251	117	6	loud103	loud103	PROPN
ap-1251	117	7	acta	acta	PROPN
ap-1251	117	8	polytechnica	polytechnica	PROPN
ap-1251	117	9	vol	vol	NOUN
ap-1251	117	10	.	.	PROPN
ap-1251	118	1	50	50	NUM
ap-1251	118	2	no	no	NOUN
ap-1251	118	3	.	.	PUNCT
ap-1251	119	1	4/2010	4/2010	NUM
ap-1251	119	2	ness	ness	NOUN
ap-1251	119	3	,	,	PUNCT
ap-1251	119	4	speech	speech	NOUN
ap-1251	119	5	continuity	continuity	NOUN
ap-1251	119	6	,	,	PUNCT
ap-1251	119	7	background	background	NOUN
ap-1251	119	8	noise	noise	NOUN
ap-1251	119	9	and	and	CCONJ
ap-1251	119	10	accent	accent	NOUN
ap-1251	119	11	.	.	PUNCT
ap-1251	120	1	both	both	PRON
ap-1251	120	2	male	male	ADJ
ap-1251	120	3	speech	speech	NOUN
ap-1251	120	4	and	and	CCONJ
ap-1251	120	5	female	female	ADJ
ap-1251	120	6	speech	speech	NOUN
ap-1251	120	7	in	in	ADP
ap-1251	120	8	czech	czech	ADJ
ap-1251	120	9	language	language	NOUN
ap-1251	120	10	were	be	AUX
ap-1251	120	11	used	use	VERB
ap-1251	120	12	for	for	ADP
ap-1251	120	13	the	the	DET
ap-1251	120	14	experiments	experiment	NOUN
ap-1251	120	15	.	.	PUNCT
ap-1251	121	1	fig	fig	NOUN
ap-1251	121	2	.	.	PUNCT
ap-1251	122	1	6	6	NUM
ap-1251	122	2	shows	show	VERB
ap-1251	122	3	the	the	DET
ap-1251	122	4	voice	voice	NOUN
ap-1251	122	5	/	/	SYM
ap-1251	122	6	silence	silence	NOUN
ap-1251	122	7	classification	classification	NOUN
ap-1251	122	8	results	result	NOUN
ap-1251	122	9	of	of	ADP
ap-1251	122	10	the	the	DET
ap-1251	122	11	proposed	propose	VERB
ap-1251	122	12	vad	vad	PROPN
ap-1251	122	13	algorithm	algorithm	PROPN
ap-1251	122	14	.	.	PUNCT
ap-1251	123	1	the	the	DET
ap-1251	123	2	performance	performance	NOUN
ap-1251	123	3	of	of	ADP
ap-1251	123	4	the	the	DET
ap-1251	123	5	algorithm	algorithm	NOUN
ap-1251	123	6	is	be	AUX
ap-1251	123	7	compared	compare	VERB
ap-1251	123	8	to	to	ADP
ap-1251	123	9	the	the	DET
ap-1251	123	10	performance	performance	NOUN
ap-1251	123	11	of	of	ADP
ap-1251	123	12	the	the	DET
ap-1251	123	13	led	lead	VERB
ap-1251	123	14	algorithm	algorithm	NOUN
ap-1251	123	15	[	[	X
ap-1251	123	16	8	8	NUM
ap-1251	123	17	]	]	PUNCT
ap-1251	123	18	.	.	PUNCT
ap-1251	124	1	a	a	DET
ap-1251	124	2	comparison	comparison	NOUN
ap-1251	124	3	is	be	AUX
ap-1251	124	4	performed	perform	VERB
ap-1251	124	5	on	on	ADP
ap-1251	124	6	real	real	ADJ
ap-1251	124	7	clean	clean	ADJ
ap-1251	124	8	speech	speech	NOUN
ap-1251	124	9	and	and	CCONJ
ap-1251	124	10	on	on	ADP
ap-1251	124	11	speech	speech	NOUN
ap-1251	124	12	degraded	degrade	VERB
ap-1251	124	13	by	by	ADP
ap-1251	124	14	additive	additive	ADJ
ap-1251	124	15	noise	noise	NOUN
ap-1251	124	16	.	.	PUNCT
ap-1251	125	1	it	it	PRON
ap-1251	125	2	is	be	AUX
ap-1251	125	3	clear	clear	ADJ
ap-1251	125	4	from	from	ADP
ap-1251	125	5	the	the	DET
ap-1251	125	6	figures	figure	NOUN
ap-1251	125	7	that	that	SCONJ
ap-1251	125	8	the	the	DET
ap-1251	125	9	proposed	propose	VERB
ap-1251	125	10	vad	vad	NOUN
ap-1251	125	11	outperformed	outperform	VERB
ap-1251	125	12	the	the	DET
ap-1251	125	13	led	lead	VERB
ap-1251	125	14	algorithm	algorithm	NOUN
ap-1251	125	15	in	in	ADP
ap-1251	125	16	extent	extent	NOUN
ap-1251	125	17	of	of	ADP
ap-1251	125	18	misdetection	misdetection	NOUN
ap-1251	125	19	.	.	PUNCT
ap-1251	126	1	in	in	ADP
ap-1251	126	2	contrast	contrast	NOUN
ap-1251	126	3	to	to	ADP
ap-1251	126	4	the	the	DET
ap-1251	126	5	led	lead	VERB
ap-1251	126	6	algorithm	algorithm	NOUN
ap-1251	126	7	,	,	PUNCT
ap-1251	126	8	the	the	DET
ap-1251	126	9	proposed	propose	VERB
ap-1251	126	10	vad	vad	PROPN
ap-1251	126	11	results	result	NOUN
ap-1251	126	12	in	in	ADP
ap-1251	126	13	correct	correct	ADJ
ap-1251	126	14	detection	detection	NOUN
ap-1251	126	15	of	of	ADP
ap-1251	126	16	unvoiced	unvoiced	ADJ
ap-1251	126	17	speech	speech	NOUN
ap-1251	126	18	regions	region	NOUN
ap-1251	126	19	.	.	PUNCT
ap-1251	127	1	the	the	DET
ap-1251	127	2	proposed	propose	VERB
ap-1251	127	3	algorithm	algorithm	NOUN
ap-1251	127	4	is	be	AUX
ap-1251	127	5	able	able	ADJ
ap-1251	127	6	to	to	PART
ap-1251	127	7	detect	detect	VERB
ap-1251	127	8	the	the	DET
ap-1251	127	9	beginnings	beginning	NOUN
ap-1251	127	10	and	and	CCONJ
ap-1251	127	11	ends	end	NOUN
ap-1251	127	12	of	of	ADP
ap-1251	127	13	active	active	ADJ
ap-1251	127	14	speech	speech	NOUN
ap-1251	127	15	segments	segment	NOUN
ap-1251	127	16	accurately	accurately	ADV
ap-1251	127	17	even	even	ADV
ap-1251	127	18	on	on	ADP
ap-1251	127	19	noisy	noisy	ADJ
ap-1251	127	20	speech	speech	NOUN
ap-1251	127	21	signals	signal	NOUN
ap-1251	127	22	.	.	PUNCT
ap-1251	128	1	fig	fig	NOUN
ap-1251	128	2	.	.	PUNCT
ap-1251	129	1	6	6	NUM
ap-1251	129	2	:	:	PUNCT
ap-1251	129	3	performance	performance	NOUN
ap-1251	129	4	comparison	comparison	NOUN
ap-1251	129	5	of	of	ADP
ap-1251	129	6	vad	vad	PROPN
ap-1251	129	7	algorithms	algorithms	PROPN
ap-1251	129	8	:	:	PUNCT
ap-1251	129	9	(	(	PUNCT
ap-1251	129	10	a	a	X
ap-1251	129	11	)	)	PUNCT
ap-1251	129	12	led	lead	VERB
ap-1251	129	13	algorithm	algorithm	NOUN
ap-1251	129	14	clean	clean	PROPN
ap-1251	129	15	speech	speech	NOUN
ap-1251	129	16	,	,	PUNCT
ap-1251	129	17	(	(	PUNCT
ap-1251	129	18	b	b	NOUN
ap-1251	129	19	)	)	PUNCT
ap-1251	129	20	proposed	propose	VERB
ap-1251	129	21	algorithm	algorithm	NOUN
ap-1251	129	22	clean	clean	PROPN
ap-1251	129	23	speech	speech	NOUN
ap-1251	129	24	,	,	PUNCT
ap-1251	129	25	(	(	PUNCT
ap-1251	129	26	c	c	NOUN
ap-1251	129	27	)	)	PUNCT
ap-1251	129	28	led	lead	VERB
ap-1251	129	29	algorithm	algorithm	NOUN
ap-1251	129	30	noisy	noisy	ADJ
ap-1251	129	31	speech	speech	NOUN
ap-1251	129	32	(	(	PUNCT
ap-1251	129	33	snr=5	snr=5	PROPN
ap-1251	129	34	db	db	PROPN
ap-1251	129	35	)	)	PUNCT
ap-1251	129	36	,	,	PUNCT
ap-1251	129	37	(	(	PUNCT
ap-1251	129	38	d	d	X
ap-1251	129	39	)	)	PUNCT
ap-1251	129	40	proposed	propose	VERB
ap-1251	129	41	algorithm	algorithm	NOUN
ap-1251	129	42	noisy	noisy	ADJ
ap-1251	129	43	speech	speech	NOUN
ap-1251	129	44	(	(	PUNCT
ap-1251	129	45	snr=5	snr=5	PROPN
ap-1251	129	46	db	db	PROPN
ap-1251	129	47	)	)	PUNCT
ap-1251	129	48	5	5	NUM
ap-1251	129	49	conclusion	conclusion	NOUN
ap-1251	129	50	this	this	DET
ap-1251	129	51	paper	paper	NOUN
ap-1251	129	52	has	have	AUX
ap-1251	129	53	presented	present	VERB
ap-1251	129	54	voice	voice	NOUN
ap-1251	129	55	activity	activity	NOUN
ap-1251	129	56	detection	detection	NOUN
ap-1251	129	57	algorithms	algorithm	NOUN
ap-1251	129	58	employed	employ	VERB
ap-1251	129	59	to	to	PART
ap-1251	129	60	detect	detect	VERB
ap-1251	129	61	the	the	DET
ap-1251	129	62	presence	presence	NOUN
ap-1251	129	63	/	/	SYM
ap-1251	129	64	absence	absence	NOUN
ap-1251	129	65	of	of	ADP
ap-1251	129	66	speech	speech	NOUN
ap-1251	129	67	components	component	NOUN
ap-1251	129	68	in	in	ADP
ap-1251	129	69	an	an	DET
ap-1251	129	70	audio	audio	ADJ
ap-1251	129	71	signal	signal	NOUN
ap-1251	129	72	.	.	PUNCT
ap-1251	130	1	an	an	DET
ap-1251	130	2	alternative	alternative	ADJ
ap-1251	130	3	vad	vad	NOUN
ap-1251	130	4	based	base	VERB
ap-1251	130	5	on	on	ADP
ap-1251	130	6	periodicity	periodicity	NOUN
ap-1251	130	7	detection	detection	NOUN
ap-1251	130	8	and	and	CCONJ
ap-1251	130	9	the	the	DET
ap-1251	130	10	high	high	ADJ
ap-1251	130	11	-	-	PUNCT
ap-1251	130	12	frequency	frequency	NOUN
ap-1251	130	13	to	to	ADP
ap-1251	130	14	low	low	ADJ
ap-1251	130	15	-	-	PUNCT
ap-1251	130	16	frequency	frequency	NOUN
ap-1251	130	17	signal	signal	NOUN
ap-1251	130	18	energy	energy	NOUN
ap-1251	130	19	ratio	ratio	NOUN
ap-1251	130	20	has	have	AUX
ap-1251	130	21	been	be	AUX
ap-1251	130	22	presented	present	VERB
ap-1251	130	23	.	.	PUNCT
ap-1251	131	1	the	the	DET
ap-1251	131	2	aim	aim	NOUN
ap-1251	131	3	of	of	ADP
ap-1251	131	4	the	the	DET
ap-1251	131	5	paper	paper	NOUN
ap-1251	131	6	was	be	AUX
ap-1251	131	7	to	to	PART
ap-1251	131	8	show	show	VERB
ap-1251	131	9	the	the	DET
ap-1251	131	10	principle	principle	NOUN
ap-1251	131	11	of	of	ADP
ap-1251	131	12	the	the	DET
ap-1251	131	13	proposed	propose	VERB
ap-1251	131	14	vad	vad	PROPN
ap-1251	131	15	algorithm	algorithm	NOUN
ap-1251	131	16	,	,	PUNCT
ap-1251	131	17	and	and	CCONJ
ap-1251	131	18	to	to	PART
ap-1251	131	19	compare	compare	VERB
ap-1251	131	20	it	it	PRON
ap-1251	131	21	with	with	ADP
ap-1251	131	22	the	the	DET
ap-1251	131	23	known	know	VERB
ap-1251	131	24	linear	linear	NOUN
ap-1251	131	25	energy	energy	NOUN
ap-1251	131	26	-	-	PUNCT
ap-1251	131	27	based	base	VERB
ap-1251	131	28	detector	detector	NOUN
ap-1251	131	29	(	(	PUNCT
ap-1251	131	30	led	lead	VERB
ap-1251	131	31	)	)	PUNCT
ap-1251	131	32	.	.	PUNCT
ap-1251	132	1	the	the	DET
ap-1251	132	2	results	result	NOUN
ap-1251	132	3	consistently	consistently	ADV
ap-1251	132	4	show	show	VERB
ap-1251	132	5	the	the	DET
ap-1251	132	6	superiority	superiority	NOUN
ap-1251	132	7	of	of	ADP
ap-1251	132	8	the	the	DET
ap-1251	132	9	proposed	propose	VERB
ap-1251	132	10	vad	vad	PROPN
ap-1251	132	11	scheme	scheme	NOUN
ap-1251	132	12	over	over	ADP
ap-1251	132	13	the	the	DET
ap-1251	132	14	led	lead	VERB
ap-1251	132	15	algorithm	algorithm	NOUN
ap-1251	132	16	.	.	PUNCT
ap-1251	133	1	it	it	PRON
ap-1251	133	2	is	be	AUX
ap-1251	133	3	easy	easy	ADJ
ap-1251	133	4	to	to	PART
ap-1251	133	5	recognize	recognize	VERB
ap-1251	133	6	that	that	SCONJ
ap-1251	133	7	the	the	DET
ap-1251	133	8	algorithm	algorithm	NOUN
ap-1251	133	9	has	have	VERB
ap-1251	133	10	low	low	ADJ
ap-1251	133	11	computational	computational	ADJ
ap-1251	133	12	complexity	complexity	NOUN
ap-1251	133	13	,	,	PUNCT
ap-1251	133	14	and	and	CCONJ
ap-1251	133	15	can	can	AUX
ap-1251	133	16	be	be	AUX
ap-1251	133	17	easily	easily	ADV
ap-1251	133	18	integrated	integrate	VERB
ap-1251	133	19	into	into	ADP
ap-1251	133	20	speech	speech	NOUN
ap-1251	133	21	coders	coder	NOUN
ap-1251	133	22	and	and	CCONJ
ap-1251	133	23	other	other	ADJ
ap-1251	133	24	speech	speech	NOUN
ap-1251	133	25	enhancement	enhancement	NOUN
ap-1251	133	26	systems	system	NOUN
ap-1251	133	27	.	.	PUNCT
ap-1251	134	1	acknowledgement	acknowledgement	NOUN
ap-1251	134	2	the	the	DET
ap-1251	134	3	research	research	NOUN
ap-1251	134	4	described	describe	VERB
ap-1251	134	5	in	in	ADP
ap-1251	134	6	this	this	DET
ap-1251	134	7	paper	paper	NOUN
ap-1251	134	8	was	be	AUX
ap-1251	134	9	supervised	supervise	VERB
ap-1251	134	10	by	by	ADP
ap-1251	134	11	prof	prof	PROPN
ap-1251	134	12	.	.	PUNCT
ap-1251	135	1	ing	ing	PROPN
ap-1251	135	2	.	.	PUNCT
ap-1251	136	1	b.	b.	PROPN
ap-1251	136	2	simak	simak	PROPN
ap-1251	136	3	,	,	PUNCT
ap-1251	136	4	csc	csc	PROPN
ap-1251	136	5	.	.	PROPN
ap-1251	136	6	,	,	PUNCT
ap-1251	136	7	fel	fel	PROPN
ap-1251	136	8	ctu	ctu	NOUN
ap-1251	136	9	in	in	ADP
ap-1251	136	10	prague	prague	NOUN
ap-1251	136	11	and	and	CCONJ
ap-1251	136	12	was	be	AUX
ap-1251	136	13	supported	support	VERB
ap-1251	136	14	by	by	ADP
ap-1251	136	15	czech	czech	PROPN
ap-1251	136	16	technical	technical	PROPN
ap-1251	136	17	university	university	PROPN
ap-1251	136	18	grant	grant	NOUN
ap-1251	136	19	sgs	sgs	PROPN
ap-1251	136	20	no	no	INTJ
ap-1251	136	21	.	.	PUNCT
ap-1251	137	1	ohk3	ohk3	ADJ
ap-1251	137	2	-	-	PUNCT
ap-1251	137	3	108/10	108/10	NUM
ap-1251	137	4	and	and	CCONJ
ap-1251	137	5	by	by	ADP
ap-1251	137	6	the	the	DET
ap-1251	137	7	ministry	ministry	PROPN
ap-1251	137	8	of	of	ADP
ap-1251	137	9	education	education	PROPN
ap-1251	137	10	,	,	PUNCT
ap-1251	137	11	youth	youth	NOUN
ap-1251	137	12	and	and	CCONJ
ap-1251	137	13	sports	sport	NOUN
ap-1251	137	14	of	of	ADP
ap-1251	137	15	the	the	DET
ap-1251	137	16	czech	czech	PROPN
ap-1251	137	17	republic	republic	PROPN
ap-1251	137	18	research	research	PROPN
ap-1251	137	19	program	program	NOUN
ap-1251	137	20	msm	msm	NOUN
ap-1251	137	21	6840770014	6840770014	NUM
ap-1251	137	22	.	.	PUNCT
ap-1251	138	1	references	reference	NOUN
ap-1251	138	2	[	[	X
ap-1251	138	3	1	1	NUM
ap-1251	138	4	]	]	X
ap-1251	138	5	etsi	etsi	X
ap-1251	138	6	ts	ts	ADP
ap-1251	138	7	126	126	NUM
ap-1251	138	8	094	094	NUM
ap-1251	138	9	v3.0.0	v3.0.0	NOUN
ap-1251	138	10	(	(	PUNCT
ap-1251	138	11	2000	2000	NUM
ap-1251	138	12	-	-	SYM
ap-1251	138	13	01	01	NUM
ap-1251	138	14	)	)	PUNCT
ap-1251	138	15	,	,	PUNCT
ap-1251	138	16	3	3	NUM
ap-1251	138	17	g	g	NOUN
ap-1251	138	18	ts	ts	ADP
ap-1251	138	19	26.094	26.094	NUM
ap-1251	138	20	version	version	NOUN
ap-1251	138	21	3.0.0	3.0.0	NUM
ap-1251	138	22	release	release	NOUN
ap-1251	138	23	1999	1999	NUM
ap-1251	138	24	,	,	PUNCT
ap-1251	138	25	universal	universal	ADJ
ap-1251	138	26	mobile	mobile	ADJ
ap-1251	138	27	telecommunications	telecommunication	NOUN
ap-1251	138	28	system	system	NOUN
ap-1251	138	29	(	(	PUNCT
ap-1251	138	30	umts	umts	PROPN
ap-1251	138	31	)	)	PUNCT
ap-1251	138	32	;	;	PUNCT
ap-1251	138	33	mandatory	mandatory	ADJ
ap-1251	138	34	speech	speech	NOUN
ap-1251	138	35	codec	codec	NOUN
ap-1251	138	36	speech	speech	NOUN
ap-1251	138	37	processing	processing	NOUN
ap-1251	138	38	functions	function	NOUN
ap-1251	138	39	amr	amr	NOUN
ap-1251	138	40	speech	speech	NOUN
ap-1251	138	41	codec	codec	NOUN
ap-1251	138	42	;	;	PUNCT
ap-1251	138	43	voice	voice	NOUN
ap-1251	138	44	activity	activity	NOUN
ap-1251	138	45	detector	detector	NOUN
ap-1251	138	46	(	(	PUNCT
ap-1251	138	47	vad	vad	PROPN
ap-1251	138	48	)	)	PUNCT
ap-1251	138	49	,	,	PUNCT
ap-1251	138	50	2000	2000	NUM
ap-1251	138	51	.	.	PUNCT
ap-1251	139	1	[	[	X
ap-1251	139	2	2	2	NUM
ap-1251	139	3	]	]	X
ap-1251	139	4	benyassine	benyassine	NOUN
ap-1251	139	5	,	,	PUNCT
ap-1251	139	6	a.	a.	NOUN
ap-1251	139	7	,	,	PUNCT
ap-1251	139	8	shlomot	shlomot	NOUN
ap-1251	139	9	,	,	PUNCT
ap-1251	139	10	e.	e.	PROPN
ap-1251	139	11	,	,	PUNCT
ap-1251	139	12	su	su	PROPN
ap-1251	139	13	,	,	PUNCT
ap-1251	139	14	h.-y	h.-y	NOUN
ap-1251	139	15	.	.	PUNCT
ap-1251	139	16	:	:	PUNCT
ap-1251	140	1	itu	itu	PROPN
ap-1251	140	2	-	-	PUNCT
ap-1251	140	3	t	t	PROPN
ap-1251	140	4	recommendation	recommendation	NOUN
ap-1251	140	5	g.729	g.729	PROPN
ap-1251	140	6	annex	annex	VERB
ap-1251	140	7	b	b	NOUN
ap-1251	140	8	:	:	PUNCT
ap-1251	140	9	a	a	DET
ap-1251	140	10	silence	silence	NOUN
ap-1251	140	11	compression	compression	NOUN
ap-1251	140	12	scheme	scheme	NOUN
ap-1251	140	13	for	for	ADP
ap-1251	140	14	use	use	NOUN
ap-1251	140	15	with	with	ADP
ap-1251	140	16	g.729	g.729	PROPN
ap-1251	140	17	optimized	optimize	VERB
ap-1251	140	18	for	for	ADP
ap-1251	140	19	v.70	v.70	ADP
ap-1251	140	20	digital	digital	ADJ
ap-1251	140	21	simultaneous	simultaneous	ADJ
ap-1251	140	22	voice	voice	NOUN
ap-1251	140	23	and	and	CCONJ
ap-1251	140	24	data	datum	NOUN
ap-1251	140	25	application	application	NOUN
ap-1251	140	26	,	,	PUNCT
ap-1251	140	27	ieee	ieee	NOUN
ap-1251	140	28	commun	commun	PROPN
ap-1251	140	29	.	.	PUNCT
ap-1251	141	1	mag	mag	INTJ
ap-1251	141	2	.	.	PROPN
ap-1251	141	3	,	,	PUNCT
ap-1251	141	4	1997	1997	NUM
ap-1251	141	5	,	,	PUNCT
ap-1251	141	6	vol	vol	NOUN
ap-1251	141	7	.	.	PROPN
ap-1251	141	8	35	35	NUM
ap-1251	141	9	,	,	PUNCT
ap-1251	141	10	p.	p.	NOUN
ap-1251	141	11	64–73	64–73	NUM
ap-1251	141	12	.	.	PUNCT
ap-1251	142	1	[	[	X
ap-1251	142	2	3	3	NUM
ap-1251	142	3	]	]	X
ap-1251	142	4	atal	atal	PROPN
ap-1251	142	5	,	,	PUNCT
ap-1251	142	6	b.	b.	PROPN
ap-1251	142	7	s.	s.	PROPN
ap-1251	142	8	,	,	PUNCT
ap-1251	142	9	rabiner	rabiner	NOUN
ap-1251	142	10	,	,	PUNCT
ap-1251	142	11	l.	l.	PROPN
ap-1251	142	12	r.	r.	PROPN
ap-1251	142	13	:	:	PUNCT
ap-1251	142	14	a	a	DET
ap-1251	142	15	pattern	pattern	NOUN
ap-1251	142	16	recognition	recognition	NOUN
ap-1251	142	17	approach	approach	NOUN
ap-1251	142	18	to	to	ADP
ap-1251	142	19	voiced	voice	VERB
ap-1251	142	20	-	-	PUNCT
ap-1251	142	21	unvoiced	unvoiced	ADJ
ap-1251	142	22	-	-	PUNCT
ap-1251	142	23	silence	silence	NOUN
ap-1251	142	24	classification	classification	NOUN
ap-1251	142	25	with	with	ADP
ap-1251	142	26	applications	application	NOUN
ap-1251	142	27	to	to	ADP
ap-1251	142	28	speech	speech	NOUN
ap-1251	142	29	recognition	recognition	NOUN
ap-1251	142	30	,	,	PUNCT
ap-1251	142	31	ieee	ieee	PROPN
ap-1251	142	32	trans	tran	NOUN
ap-1251	142	33	.	.	PROPN
ap-1251	142	34	acoustics	acoustic	NOUN
ap-1251	142	35	,	,	PUNCT
ap-1251	142	36	speech	speech	NOUN
ap-1251	142	37	,	,	PUNCT
ap-1251	142	38	signal	signal	NOUN
ap-1251	142	39	processing	processing	NOUN
ap-1251	142	40	,	,	PUNCT
ap-1251	142	41	vol	vol	NOUN
ap-1251	142	42	.	.	PROPN
ap-1251	142	43	24	24	NUM
ap-1251	142	44	,	,	PUNCT
ap-1251	142	45	p.	p.	NOUN
ap-1251	142	46	201–212	201–212	NUM
ap-1251	142	47	,	,	PUNCT
ap-1251	142	48	june	june	PROPN
ap-1251	142	49	1976	1976	NUM
ap-1251	142	50	.	.	PUNCT
ap-1251	143	1	[	[	X
ap-1251	143	2	4	4	NUM
ap-1251	143	3	]	]	X
ap-1251	143	4	haigh	haigh	NOUN
ap-1251	143	5	,	,	PUNCT
ap-1251	143	6	j.	j.	PROPN
ap-1251	143	7	a.	a.	PROPN
ap-1251	143	8	,	,	PUNCT
ap-1251	143	9	mason	mason	PROPN
ap-1251	143	10	,	,	PUNCT
ap-1251	143	11	j.	j.	PROPN
ap-1251	143	12	s.	s.	PROPN
ap-1251	143	13	:	:	PUNCT
ap-1251	143	14	robust	robust	ADJ
ap-1251	143	15	voice	voice	NOUN
ap-1251	143	16	activity	activity	NOUN
ap-1251	143	17	detection	detection	NOUN
ap-1251	143	18	using	use	VERB
ap-1251	143	19	cepstral	cepstral	ADJ
ap-1251	143	20	features	feature	NOUN
ap-1251	143	21	,	,	PUNCT
ap-1251	143	22	in	in	ADP
ap-1251	143	23	proc	proc	NOUN
ap-1251	143	24	.	.	PUNCT
ap-1251	144	1	of	of	ADP
ap-1251	144	2	ieee	ieee	PROPN
ap-1251	144	3	region	region	NOUN
ap-1251	144	4	10	10	NUM
ap-1251	144	5	annual	annual	ADJ
ap-1251	144	6	conf	conf	NOUN
ap-1251	144	7	.	.	PUNCT
ap-1251	144	8	speech	speech	NOUN
ap-1251	144	9	and	and	CCONJ
ap-1251	144	10	image	image	NOUN
ap-1251	144	11	technologies	technology	NOUN
ap-1251	144	12	for	for	ADP
ap-1251	144	13	computing	computing	NOUN
ap-1251	144	14	and	and	CCONJ
ap-1251	144	15	telecommunications	telecommunication	NOUN
ap-1251	144	16	,	,	PUNCT
ap-1251	144	17	(	(	PUNCT
ap-1251	144	18	beijing	beijing	PROPN
ap-1251	144	19	)	)	PUNCT
ap-1251	144	20	,	,	PUNCT
ap-1251	145	1	p.	p.	NOUN
ap-1251	145	2	321–324	321–324	NUM
ap-1251	145	3	,	,	PUNCT
ap-1251	145	4	oct	oct	PROPN
ap-1251	145	5	.	.	PROPN
ap-1251	145	6	1993	1993	NUM
ap-1251	145	7	.	.	PUNCT
ap-1251	146	1	[	[	X
ap-1251	146	2	5	5	NUM
ap-1251	146	3	]	]	SYM
ap-1251	146	4	mcclellan	mcclellan	PROPN
ap-1251	146	5	,	,	PUNCT
ap-1251	146	6	s.	s.	PROPN
ap-1251	146	7	a.	a.	PROPN
ap-1251	146	8	,	,	PUNCT
ap-1251	146	9	gibson	gibson	PROPN
ap-1251	146	10	,	,	PUNCT
ap-1251	146	11	j.	j.	PROPN
ap-1251	146	12	d.	d.	PROPN
ap-1251	146	13	:	:	PUNCT
ap-1251	146	14	spectral	spectral	PROPN
ap-1251	146	15	entropy	entropy	PROPN
ap-1251	146	16	:	:	PUNCT
ap-1251	146	17	an	an	DET
ap-1251	146	18	alternative	alternative	ADJ
ap-1251	146	19	indicator	indicator	NOUN
ap-1251	146	20	for	for	ADP
ap-1251	146	21	rate	rate	NOUN
ap-1251	146	22	allocation	allocation	NOUN
ap-1251	146	23	,	,	PUNCT
ap-1251	146	24	in	in	ADP
ap-1251	146	25	ieee	ieee	PROPN
ap-1251	146	26	int	int	NOUN
ap-1251	146	27	.	.	PUNCT
ap-1251	146	28	conf	conf	PROPN
ap-1251	146	29	.	.	PUNCT
ap-1251	147	1	on	on	ADP
ap-1251	147	2	acoustics	acoustic	NOUN
ap-1251	147	3	,	,	PUNCT
ap-1251	147	4	speech	speech	NOUN
ap-1251	147	5	,	,	PUNCT
ap-1251	147	6	signal	signal	NOUN
ap-1251	147	7	processing	processing	NOUN
ap-1251	147	8	,	,	PUNCT
ap-1251	147	9	(	(	PUNCT
ap-1251	147	10	adelaide	adelaide	PROPN
ap-1251	147	11	,	,	PUNCT
ap-1251	147	12	australia	australia	PROPN
ap-1251	147	13	)	)	PUNCT
ap-1251	147	14	,	,	PUNCT
ap-1251	147	15	p.	p.	NOUN
ap-1251	147	16	201–204	201–204	NUM
ap-1251	147	17	,	,	PUNCT
ap-1251	147	18	apr	apr	PROPN
ap-1251	147	19	.	.	PROPN
ap-1251	147	20	1994	1994	NUM
ap-1251	147	21	.	.	PUNCT
ap-1251	148	1	[	[	X
ap-1251	148	2	6	6	NUM
ap-1251	148	3	]	]	X
ap-1251	148	4	tucker	tucker	PROPN
ap-1251	148	5	,	,	PUNCT
ap-1251	148	6	r.	r.	PROPN
ap-1251	148	7	:	:	PUNCT
ap-1251	148	8	voice	voice	NOUN
ap-1251	148	9	activity	activity	NOUN
ap-1251	148	10	detection	detection	NOUN
ap-1251	148	11	using	use	VERB
ap-1251	148	12	a	a	DET
ap-1251	148	13	periodicity	periodicity	NOUN
ap-1251	148	14	measure	measure	NOUN
ap-1251	148	15	,	,	PUNCT
ap-1251	148	16	iee	iee	PROPN
ap-1251	148	17	proc.–i	proc.–i	PROPN
ap-1251	148	18	,	,	PUNCT
ap-1251	148	19	vol	vol	NOUN
ap-1251	148	20	.	.	NOUN
ap-1251	148	21	139	139	NUM
ap-1251	148	22	,	,	PUNCT
ap-1251	148	23	p.	p.	NOUN
ap-1251	148	24	377–380	377–380	NUM
ap-1251	148	25	,	,	PUNCT
ap-1251	148	26	aug	aug	PROPN
ap-1251	148	27	.	.	PROPN
ap-1251	148	28	1992	1992	NUM
ap-1251	148	29	.	.	PUNCT
ap-1251	149	1	[	[	X
ap-1251	149	2	7	7	NUM
ap-1251	149	3	]	]	X
ap-1251	149	4	stegmann	stegmann	PROPN
ap-1251	149	5	,	,	PUNCT
ap-1251	149	6	j.	j.	PROPN
ap-1251	149	7	,	,	PUNCT
ap-1251	149	8	schroder	schroder	PROPN
ap-1251	149	9	,	,	PUNCT
ap-1251	149	10	g.	g.	NOUN
ap-1251	149	11	:	:	PUNCT
ap-1251	149	12	robust	robust	ADJ
ap-1251	149	13	voice	voice	NOUN
ap-1251	149	14	-	-	PUNCT
ap-1251	149	15	activity	activity	NOUN
ap-1251	149	16	detection	detection	NOUN
ap-1251	149	17	based	base	VERB
ap-1251	149	18	on	on	ADP
ap-1251	149	19	the	the	DET
ap-1251	149	20	wavelet	wavelet	NOUN
ap-1251	149	21	transform	transform	NOUN
ap-1251	149	22	,	,	PUNCT
ap-1251	149	23	in	in	ADP
ap-1251	149	24	proc	proc	NOUN
ap-1251	149	25	.	.	PUNCT
ap-1251	150	1	ieee	ieee	NOUN
ap-1251	150	2	workshop	workshop	NOUN
ap-1251	150	3	on	on	ADP
ap-1251	150	4	speech	speech	NOUN
ap-1251	150	5	coding	code	VERB
ap-1251	150	6	for	for	ADP
ap-1251	150	7	telecommunications	telecommunication	NOUN
ap-1251	150	8	,	,	PUNCT
ap-1251	150	9	(	(	PUNCT
ap-1251	150	10	pocono	pocono	PROPN
ap-1251	150	11	manor	manor	NOUN
ap-1251	150	12	,	,	PUNCT
ap-1251	150	13	pn	pn	PROPN
ap-1251	150	14	)	)	PUNCT
ap-1251	150	15	,	,	PUNCT
ap-1251	150	16	p.	p.	PROPN
ap-1251	150	17	99–100	99–100	PROPN
ap-1251	150	18	,	,	PUNCT
ap-1251	150	19	sept	sept	PROPN
ap-1251	150	20	.	.	PROPN
ap-1251	150	21	1997	1997	NUM
ap-1251	150	22	.	.	PUNCT
ap-1251	151	1	104	104	NUM
ap-1251	151	2	acta	acta	PROPN
ap-1251	151	3	polytechnica	polytechnica	PROPN
ap-1251	151	4	vol	vol	NOUN
ap-1251	151	5	.	.	PROPN
ap-1251	152	1	50	50	NUM
ap-1251	152	2	no	no	NOUN
ap-1251	152	3	.	.	PUNCT
ap-1251	153	1	4/2010	4/2010	NUM
ap-1251	154	1	[	[	X
ap-1251	154	2	8	8	NUM
ap-1251	154	3	]	]	X
ap-1251	154	4	pollak	pollak	PROPN
ap-1251	154	5	,	,	PUNCT
ap-1251	154	6	p.	p.	NOUN
ap-1251	154	7	,	,	PUNCT
ap-1251	154	8	sovka	sovka	NOUN
ap-1251	154	9	,	,	PUNCT
ap-1251	154	10	p.	p.	PROPN
ap-1251	154	11	,	,	PUNCT
ap-1251	154	12	uhlir	uhlir	ADJ
ap-1251	154	13	,	,	PUNCT
ap-1251	154	14	j.	j.	PROPN
ap-1251	154	15	:	:	PUNCT
ap-1251	154	16	noise	noise	NOUN
ap-1251	154	17	system	system	NOUN
ap-1251	154	18	for	for	ADP
ap-1251	154	19	a	a	DET
ap-1251	154	20	car	car	NOUN
ap-1251	154	21	,	,	PUNCT
ap-1251	154	22	proc	proc	NOUN
ap-1251	154	23	.	.	PUNCT
ap-1251	155	1	of	of	ADP
ap-1251	155	2	the	the	DET
ap-1251	155	3	third	third	ADJ
ap-1251	155	4	european	european	ADJ
ap-1251	155	5	conference	conference	NOUN
ap-1251	155	6	on	on	ADP
ap-1251	155	7	speech	speech	NOUN
ap-1251	155	8	,	,	PUNCT
ap-1251	155	9	communication	communication	NOUN
ap-1251	155	10	and	and	CCONJ
ap-1251	155	11	technology	technology	NOUN
ap-1251	155	12	–	–	PUNCT
ap-1251	155	13	eurospeech’93	eurospeech’93	ADJ
ap-1251	155	14	,	,	PUNCT
ap-1251	155	15	(	(	PUNCT
ap-1251	155	16	berlin	berlin	PROPN
ap-1251	155	17	,	,	PUNCT
ap-1251	155	18	germany	germany	PROPN
ap-1251	155	19	)	)	PUNCT
ap-1251	155	20	,	,	PUNCT
ap-1251	155	21	p.	p.	NOUN
ap-1251	155	22	1	1	NUM
ap-1251	155	23	073–1076	073–1076	NUM
ap-1251	155	24	,	,	PUNCT
ap-1251	155	25	sept	sept	PROPN
ap-1251	155	26	.	.	PROPN
ap-1251	155	27	1993	1993	NUM
ap-1251	155	28	.	.	PUNCT
ap-1251	156	1	[	[	X
ap-1251	156	2	9	9	NUM
ap-1251	156	3	]	]	SYM
ap-1251	156	4	verteletskaya	verteletskaya	PROPN
ap-1251	156	5	,	,	PUNCT
ap-1251	156	6	e.	e.	PROPN
ap-1251	156	7	,	,	PUNCT
ap-1251	156	8	šimák	šimák	PROPN
ap-1251	156	9	,	,	PUNCT
ap-1251	156	10	b.	b.	NOUN
ap-1251	156	11	:	:	PUNCT
ap-1251	156	12	performance	performance	NOUN
ap-1251	156	13	evaluation	evaluation	NOUN
ap-1251	156	14	of	of	ADP
ap-1251	156	15	pitch	pitch	NOUN
ap-1251	156	16	detection	detection	NOUN
ap-1251	156	17	algorithms	algorithm	NOUN
ap-1251	156	18	.	.	PUNCT
ap-1251	157	1	access	access	NOUN
ap-1251	157	2	server	server	PROPN
ap-1251	158	1	[	[	X
ap-1251	158	2	online	online	NOUN
ap-1251	158	3	]	]	X
ap-1251	158	4	.	.	PUNCT
ap-1251	159	1	2009	2009	NUM
ap-1251	159	2	,	,	PUNCT
ap-1251	159	3	roč	roč	PROPN
ap-1251	159	4	.	.	PUNCT
ap-1251	160	1	7	7	NUM
ap-1251	160	2	,	,	PUNCT
ap-1251	160	3	č	č	NOUN
ap-1251	160	4	.	.	NOUN
ap-1251	160	5	200906	200906	NUM
ap-1251	160	6	,	,	PUNCT
ap-1251	160	7	s.	s.	PROPN
ap-1251	160	8	0001	0001	NUM
ap-1251	160	9	.	.	PUNCT
ap-1251	161	1	issn	issn	PROPN
ap-1251	161	2	1214	1214	NUM
ap-1251	161	3	-	-	SYM
ap-1251	161	4	9675	9675	NUM
ap-1251	161	5	.	.	PUNCT
ap-1251	162	1	about	about	ADP
ap-1251	162	2	the	the	DET
ap-1251	162	3	authors	author	NOUN
ap-1251	162	4	ekaterina	ekaterina	PROPN
ap-1251	162	5	verteletskaya	verteletskaya	PROPN
ap-1251	162	6	was	be	AUX
ap-1251	162	7	born	bear	VERB
ap-1251	162	8	in	in	ADP
ap-1251	162	9	uzbekistan	uzbekistan	PROPN
ap-1251	162	10	.	.	PUNCT
ap-1251	163	1	she	she	PRON
ap-1251	163	2	was	be	AUX
ap-1251	163	3	awarded	award	VERB
ap-1251	163	4	an	an	DET
ap-1251	163	5	msc	msc	PROPN
ap-1251	163	6	degree	degree	NOUN
ap-1251	163	7	in	in	ADP
ap-1251	163	8	telecommunication	telecommunication	NOUN
ap-1251	163	9	and	and	CCONJ
ap-1251	163	10	radio	radio	NOUN
ap-1251	163	11	engineering	engineering	NOUN
ap-1251	163	12	from	from	ADP
ap-1251	163	13	the	the	DET
ap-1251	163	14	czech	czech	PROPN
ap-1251	163	15	technical	technical	PROPN
ap-1251	163	16	university	university	PROPN
ap-1251	163	17	,	,	PUNCT
ap-1251	163	18	prague	prague	NOUN
ap-1251	163	19	in	in	ADP
ap-1251	163	20	2008	2008	NUM
ap-1251	163	21	.	.	PUNCT
ap-1251	164	1	she	she	PRON
ap-1251	164	2	is	be	AUX
ap-1251	164	3	currently	currently	ADV
ap-1251	164	4	a	a	DET
ap-1251	164	5	phd	phd	NOUN
ap-1251	164	6	student	student	NOUN
ap-1251	164	7	at	at	ADP
ap-1251	164	8	the	the	DET
ap-1251	164	9	department	department	NOUN
ap-1251	164	10	of	of	ADP
ap-1251	164	11	telecommunication	telecommunication	NOUN
ap-1251	164	12	engineering	engineering	NOUN
ap-1251	164	13	of	of	ADP
ap-1251	164	14	ctu	ctu	NOUN
ap-1251	164	15	in	in	ADP
ap-1251	164	16	prague	prague	PROPN
ap-1251	164	17	.	.	PUNCT
ap-1251	165	1	her	her	PRON
ap-1251	165	2	current	current	ADJ
ap-1251	165	3	activities	activity	NOUN
ap-1251	165	4	are	be	AUX
ap-1251	165	5	in	in	ADP
ap-1251	165	6	the	the	DET
ap-1251	165	7	area	area	NOUN
ap-1251	165	8	of	of	ADP
ap-1251	165	9	digital	digital	ADJ
ap-1251	165	10	signal	signal	NOUN
ap-1251	165	11	processing	processing	NOUN
ap-1251	165	12	,	,	PUNCT
ap-1251	165	13	focused	focus	VERB
ap-1251	165	14	on	on	ADP
ap-1251	165	15	speech	speech	NOUN
ap-1251	165	16	coding	code	VERB
ap-1251	165	17	algorithms	algorithm	NOUN
ap-1251	165	18	for	for	ADP
ap-1251	165	19	mobile	mobile	ADJ
ap-1251	165	20	communications	communication	NOUN
ap-1251	165	21	.	.	PUNCT
ap-1251	166	1	kirill	kirill	PROPN
ap-1251	166	2	sakhnov	sakhnov	PROPN
ap-1251	166	3	was	be	AUX
ap-1251	166	4	born	bear	VERB
ap-1251	166	5	in	in	ADP
ap-1251	166	6	uzbekistan	uzbekistan	PROPN
ap-1251	166	7	.	.	PUNCT
ap-1251	167	1	he	he	PRON
ap-1251	167	2	was	be	AUX
ap-1251	167	3	awarded	award	VERB
ap-1251	167	4	an	an	DET
ap-1251	167	5	msc	msc	NOUN
ap-1251	167	6	degree	degree	NOUN
ap-1251	167	7	from	from	ADP
ap-1251	167	8	the	the	DET
ap-1251	167	9	czech	czech	PROPN
ap-1251	167	10	technical	technical	PROPN
ap-1251	167	11	university	university	PROPN
ap-1251	167	12	in	in	ADP
ap-1251	167	13	prague	prague	PROPN
ap-1251	167	14	in	in	ADP
ap-1251	167	15	2008	2008	NUM
ap-1251	167	16	.	.	PUNCT
ap-1251	168	1	he	he	PRON
ap-1251	168	2	is	be	AUX
ap-1251	168	3	currently	currently	ADV
ap-1251	168	4	a	a	DET
ap-1251	168	5	phd	phd	NOUN
ap-1251	168	6	student	student	NOUN
ap-1251	168	7	at	at	ADP
ap-1251	168	8	the	the	DET
ap-1251	168	9	department	department	NOUN
ap-1251	168	10	of	of	ADP
ap-1251	168	11	telecommunication	telecommunication	NOUN
ap-1251	168	12	engineering	engineering	NOUN
ap-1251	168	13	of	of	ADP
ap-1251	168	14	ctu	ctu	NOUN
ap-1251	168	15	in	in	ADP
ap-1251	168	16	prague	prague	PROPN
ap-1251	168	17	.	.	PUNCT
ap-1251	169	1	his	his	PRON
ap-1251	169	2	current	current	ADJ
ap-1251	169	3	activities	activity	NOUN
ap-1251	169	4	are	be	AUX
ap-1251	169	5	in	in	ADP
ap-1251	169	6	the	the	DET
ap-1251	169	7	area	area	NOUN
ap-1251	169	8	of	of	ADP
ap-1251	169	9	adaptive	adaptive	ADJ
ap-1251	169	10	digital	digital	ADJ
ap-1251	169	11	signal	signal	NOUN
ap-1251	169	12	processing	processing	NOUN
ap-1251	169	13	,	,	PUNCT
ap-1251	169	14	focused	focus	VERB
ap-1251	169	15	on	on	ADP
ap-1251	169	16	problems	problem	NOUN
ap-1251	169	17	of	of	ADP
ap-1251	169	18	acoustical	acoustical	ADJ
ap-1251	169	19	and	and	CCONJ
ap-1251	169	20	network	network	NOUN
ap-1251	169	21	echo	echo	NOUN
ap-1251	169	22	cancellation	cancellation	NOUN
ap-1251	169	23	in	in	ADP
ap-1251	169	24	telecommunication	telecommunication	NOUN
ap-1251	169	25	devices	device	NOUN
ap-1251	169	26	.	.	PUNCT
ap-1251	170	1	ekaterina	ekaterina	PROPN
ap-1251	170	2	verteletskaya	verteletskaya	PROPN
ap-1251	170	3	kirill	kirill	PROPN
ap-1251	170	4	sakhnov	sakhnov	VERB
ap-1251	170	5	e	e	NOUN
ap-1251	170	6	-	-	NOUN
ap-1251	170	7	mail	mail	NOUN
ap-1251	170	8	:	:	PUNCT
ap-1251	171	1	verteeka@fel.cvut.cz	verteeka@fel.cvut.cz	ADJ
ap-1251	171	2	,	,	PUNCT
ap-1251	171	3	sakhnkir@.fel.cvut.cz	sakhnkir@.fel.cvut.cz	PROPN
ap-1251	171	4	czech	czech	PROPN
ap-1251	171	5	technical	technical	PROPN
ap-1251	171	6	university	university	PROPN
ap-1251	171	7	in	in	ADP
ap-1251	171	8	prague	prague	PROPN
ap-1251	171	9	technická	technická	PROPN
ap-1251	171	10	2	2	NUM
ap-1251	171	11	,	,	PUNCT
ap-1251	171	12	166	166	NUM
ap-1251	171	13	27	27	NUM
ap-1251	171	14	praha	praha	NOUN
ap-1251	171	15	,	,	PUNCT
ap-1251	171	16	czech	czech	PROPN
ap-1251	171	17	republic	republic	NOUN
ap-1251	171	18	105	105	NUM