ES2047664T3 - Deteccion de actividad de voz. - Google Patents
Deteccion de actividad de voz.Info
- Publication number
- ES2047664T3 ES2047664T3 ES89302422T ES89302422T ES2047664T3 ES 2047664 T3 ES2047664 T3 ES 2047664T3 ES 89302422 T ES89302422 T ES 89302422T ES 89302422 T ES89302422 T ES 89302422T ES 2047664 T3 ES2047664 T3 ES 2047664T3
- Authority
- ES
- Spain
- Prior art keywords
- speaks
- voice activity
- measure
- self
- vad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000000694 effects Effects 0.000 title abstract 2
- 238000001514 detection method Methods 0.000 title 1
- 230000006978 adaptation Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
- G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Telephonic Communication Services (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
EL DETECTOR DE LA ACTIVIDAD DE VOZ (VAD) SE USA EN UN CODIFICADOR LPC EN UN SISTEMA DE RADIO MOVIL, USANDO UNOS COEFICIENTES DE AUTOCORRELACION RO,R1,... DE LA SEÑAL DE ENTRADA, PEASDOS Y COMBINADOS, PARA PROPORCIONAR UNA MEDIDA M QUE DEPENDE DE LA POTENCIA DENTRO DE ESTA PARTE DEL ESPECTRO QUE NO CONTIENE RUIDO, EL CUAL ES FIJADO CONTRA UNA VARIABLE UMBRAL PARA DISPONER DE UNA SALIDA LOGICA HABLA/NO HABLA. LA MEDIDA ES: M=ROHO+2(SIGMA)RIHI, DONDE HI SON LOS COEFICIENTES DE AUTOCORRELACION DE LA RESPUESTA DEL IMPULSO DE ORDEN N-ESIMO DEL FILTRO DE RUIDO INVERSO FIR DERIVADO DEL ANALISIS LPC DE LAS ESTRUCTURAS PREVIAS DE SEÑAL DE NO-HABLA. LA ADAPTACION HUMBRAL Y EL COEFICIENTE DE TRANSMISION SE CONTROLAN MEDIANTE UNA SEGUNDA RESPUESTA VAD PARA RELACIONAR EL CAMBIO ESPECTRAL ENTRE ESTRUCTURAS.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888805795A GB8805795D0 (en) | 1988-03-11 | 1988-03-11 | Voice activity detector |
GB888813346A GB8813346D0 (en) | 1988-06-06 | 1988-06-06 | Voice activity detection |
GB888820105A GB8820105D0 (en) | 1988-08-24 | 1988-08-24 | Voice activity detection |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2047664T3 true ES2047664T3 (es) | 1994-03-01 |
Family
ID=27263821
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES89302422T Expired - Lifetime ES2047664T3 (es) | 1988-03-11 | 1989-03-10 | Deteccion de actividad de voz. |
ES93200015T Expired - Lifetime ES2188588T3 (es) | 1988-03-11 | 1989-03-10 | Detector de actividad de voz. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES93200015T Expired - Lifetime ES2188588T3 (es) | 1988-03-11 | 1989-03-10 | Detector de actividad de voz. |
Country Status (16)
Country | Link |
---|---|
EP (2) | EP0335521B1 (es) |
JP (2) | JP3321156B2 (es) |
KR (1) | KR0161258B1 (es) |
AU (1) | AU608432B2 (es) |
BR (1) | BR8907308A (es) |
CA (1) | CA1335003C (es) |
DE (2) | DE68929442T2 (es) |
DK (1) | DK175478B1 (es) |
ES (2) | ES2047664T3 (es) |
FI (2) | FI110726B (es) |
HK (1) | HK135896A (es) |
IE (1) | IE61863B1 (es) |
NO (2) | NO304858B1 (es) |
NZ (1) | NZ228290A (es) |
PT (1) | PT89978B (es) |
WO (1) | WO1989008910A1 (es) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0435458B1 (en) * | 1989-11-28 | 1995-02-01 | Nec Corporation | Speech/voiceband data discriminator |
CA2040025A1 (en) * | 1990-04-09 | 1991-10-10 | Hideki Satoh | Speech detection apparatus with influence of input level and noise reduced |
US5241692A (en) * | 1991-02-19 | 1993-08-31 | Motorola, Inc. | Interference reduction system for a speech recognition device |
FR2697101B1 (fr) * | 1992-10-21 | 1994-11-25 | Sextant Avionique | Procédé de détection de la parole. |
SE470577B (sv) * | 1993-01-29 | 1994-09-19 | Ericsson Telefon Ab L M | Förfarande och anordning för kodning och/eller avkodning av bakgrundsljud |
JPH06332492A (ja) * | 1993-05-19 | 1994-12-02 | Matsushita Electric Ind Co Ltd | 音声検出方法および検出装置 |
SE501305C2 (sv) * | 1993-05-26 | 1995-01-09 | Ericsson Telefon Ab L M | Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler |
EP0633658A3 (en) * | 1993-07-06 | 1996-01-17 | Hughes Aircraft Co | Automatic gain control circuit coupled to the transmission and activated by speech. |
IN184794B (es) * | 1993-09-14 | 2000-09-30 | British Telecomm | |
SE501981C2 (sv) * | 1993-11-02 | 1995-07-03 | Ericsson Telefon Ab L M | Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler |
US5742734A (en) * | 1994-08-10 | 1998-04-21 | Qualcomm Incorporated | Encoding rate selection in a variable rate vocoder |
FR2727236B1 (fr) * | 1994-11-22 | 1996-12-27 | Alcatel Mobile Comm France | Detection d'activite vocale |
WO1996034382A1 (en) * | 1995-04-28 | 1996-10-31 | Northern Telecom Limited | Methods and apparatus for distinguishing speech intervals from noise intervals in audio signals |
GB2306010A (en) * | 1995-10-04 | 1997-04-23 | Univ Wales Medicine | A method of classifying signals |
FR2739995B1 (fr) * | 1995-10-13 | 1997-12-12 | Massaloux Dominique | Procede et dispositif de creation d'un bruit de confort dans un systeme de transmission numerique de parole |
US5794199A (en) * | 1996-01-29 | 1998-08-11 | Texas Instruments Incorporated | Method and system for improved discontinuous speech transmission |
DE69716266T2 (de) | 1996-07-03 | 2003-06-12 | British Telecomm | Sprachaktivitätsdetektor |
US6618701B2 (en) * | 1999-04-19 | 2003-09-09 | Motorola, Inc. | Method and system for noise suppression using external voice activity detection |
DE10052626A1 (de) * | 2000-10-24 | 2002-05-02 | Alcatel Sa | Adaptiver Geräuschpegelschätzer |
CN1617606A (zh) * | 2003-11-12 | 2005-05-18 | 皇家飞利浦电子股份有限公司 | 一种在语音信道传输非语音数据的方法及装置 |
US7139701B2 (en) * | 2004-06-30 | 2006-11-21 | Motorola, Inc. | Method for detecting and attenuating inhalation noise in a communication system |
US7155388B2 (en) * | 2004-06-30 | 2006-12-26 | Motorola, Inc. | Method and apparatus for characterizing inhalation noise and calculating parameters based on the characterization |
FI20045315A (fi) * | 2004-08-30 | 2006-03-01 | Nokia Corp | Ääniaktiivisuuden havaitseminen äänisignaalissa |
US8708702B2 (en) * | 2004-09-16 | 2014-04-29 | Lena Foundation | Systems and methods for learning using contextual feedback |
US8775168B2 (en) * | 2006-08-10 | 2014-07-08 | Stmicroelectronics Asia Pacific Pte, Ltd. | Yule walker based low-complexity voice activity detector in noise suppression systems |
US8175871B2 (en) | 2007-09-28 | 2012-05-08 | Qualcomm Incorporated | Apparatus and method of noise and echo reduction in multiple microphone audio systems |
US8954324B2 (en) | 2007-09-28 | 2015-02-10 | Qualcomm Incorporated | Multiple microphone voice activity detector |
US8223988B2 (en) | 2008-01-29 | 2012-07-17 | Qualcomm Incorporated | Enhanced blind source separation algorithm for highly correlated mixtures |
US8275136B2 (en) | 2008-04-25 | 2012-09-25 | Nokia Corporation | Electronic device speech enhancement |
US8244528B2 (en) | 2008-04-25 | 2012-08-14 | Nokia Corporation | Method and apparatus for voice activity determination |
US8611556B2 (en) | 2008-04-25 | 2013-12-17 | Nokia Corporation | Calibrating multiple microphones |
ES2371619B1 (es) * | 2009-10-08 | 2012-08-08 | Telefónica, S.A. | Procedimiento de detección de segmentos de voz. |
CN104485118A (zh) | 2009-10-19 | 2015-04-01 | 瑞典爱立信有限公司 | 用于语音活动检测的检测器和方法 |
CN108985277B (zh) * | 2018-08-24 | 2020-11-10 | 广东石油化工学院 | 一种功率信号中背景噪声滤除方法及*** |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3509281A (en) * | 1966-09-29 | 1970-04-28 | Ibm | Voicing detection system |
US4052568A (en) * | 1976-04-23 | 1977-10-04 | Communications Satellite Corporation | Digital voice switch |
US4358738A (en) * | 1976-06-07 | 1982-11-09 | Kahn Leonard R | Signal presence determination method for use in a contaminated medium |
JPS5636246A (en) * | 1979-08-31 | 1981-04-09 | Nec Corp | Stereo signal demodulating circuit |
JPS59115625A (ja) * | 1982-12-22 | 1984-07-04 | Nec Corp | 音声検出器 |
EP0127718B1 (fr) * | 1983-06-07 | 1987-03-18 | International Business Machines Corporation | Procédé de détection d'activité dans un système de transmission de la voix |
JPS6196817A (ja) * | 1984-10-17 | 1986-05-15 | Sharp Corp | フイルタ− |
-
1989
- 1989-03-10 CA CA000593386A patent/CA1335003C/en not_active Expired - Lifetime
- 1989-03-10 BR BR898907308A patent/BR8907308A/pt not_active IP Right Cessation
- 1989-03-10 WO PCT/GB1989/000247 patent/WO1989008910A1/en active IP Right Grant
- 1989-03-10 NZ NZ228290A patent/NZ228290A/en unknown
- 1989-03-10 DE DE68929442T patent/DE68929442T2/de not_active Expired - Lifetime
- 1989-03-10 KR KR1019890702099A patent/KR0161258B1/ko not_active IP Right Cessation
- 1989-03-10 AU AU33554/89A patent/AU608432B2/en not_active Expired
- 1989-03-10 DE DE68910859T patent/DE68910859T2/de not_active Expired - Lifetime
- 1989-03-10 IE IE77489A patent/IE61863B1/en not_active IP Right Cessation
- 1989-03-10 ES ES89302422T patent/ES2047664T3/es not_active Expired - Lifetime
- 1989-03-10 EP EP89302422A patent/EP0335521B1/en not_active Expired - Lifetime
- 1989-03-10 PT PT89978A patent/PT89978B/pt not_active IP Right Cessation
- 1989-03-10 ES ES93200015T patent/ES2188588T3/es not_active Expired - Lifetime
- 1989-03-10 EP EP93200015A patent/EP0548054B1/en not_active Expired - Lifetime
- 1989-03-10 JP JP50377289A patent/JP3321156B2/ja not_active Expired - Lifetime
-
1990
- 1990-09-07 DK DK199002156A patent/DK175478B1/da not_active IP Right Cessation
- 1990-09-07 FI FI904410A patent/FI110726B/fi not_active IP Right Cessation
- 1990-09-10 NO NO903936A patent/NO304858B1/no not_active IP Right Cessation
-
1996
- 1996-07-25 HK HK135896A patent/HK135896A/xx not_active IP Right Cessation
-
1998
- 1998-06-04 NO NO982568A patent/NO316610B1/no not_active IP Right Cessation
-
1999
- 1999-11-18 JP JP32819899A patent/JP3423906B2/ja not_active Expired - Lifetime
-
2001
- 2001-05-04 FI FI20010933A patent/FI115328B/fi not_active IP Right Cessation
Also Published As
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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