DE68929442T2 - Vorrichtung zur Erfassung von Sprachlauten - Google Patents

Vorrichtung zur Erfassung von Sprachlauten

Info

Publication number
DE68929442T2
DE68929442T2 DE68929442T DE68929442T DE68929442T2 DE 68929442 T2 DE68929442 T2 DE 68929442T2 DE 68929442 T DE68929442 T DE 68929442T DE 68929442 T DE68929442 T DE 68929442T DE 68929442 T2 DE68929442 T2 DE 68929442T2
Authority
DE
Germany
Prior art keywords
input signal
measure
voice activity
activity detection
speech sounds
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
Application number
DE68929442T
Other languages
German (de)
English (en)
Other versions
DE68929442D1 (de
Inventor
Daniel Kenneth Freeman
Ivan Boyd
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
British Telecommunications PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB888805795A external-priority patent/GB8805795D0/en
Priority claimed from GB888813346A external-priority patent/GB8813346D0/en
Priority claimed from GB888820105A external-priority patent/GB8820105D0/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of DE68929442D1 publication Critical patent/DE68929442D1/de
Publication of DE68929442T2 publication Critical patent/DE68929442T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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)
DE68929442T 1988-03-11 1989-03-10 Vorrichtung zur Erfassung von Sprachlauten Expired - Lifetime DE68929442T2 (de)

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 (2)

Publication Number Publication Date
DE68929442D1 DE68929442D1 (de) 2003-01-23
DE68929442T2 true DE68929442T2 (de) 2003-10-02

Family

ID=27263821

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68929442T Expired - Lifetime DE68929442T2 (de) 1988-03-11 1989-03-10 Vorrichtung zur Erfassung von Sprachlauten
DE68910859T Expired - Lifetime DE68910859T2 (de) 1988-03-11 1989-03-10 Detektion für die Anwesenheit eines Sprachsignals.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE68910859T Expired - Lifetime DE68910859T2 (de) 1988-03-11 1989-03-10 Detektion für die Anwesenheit eines Sprachsignals.

Country Status (16)

Country Link
EP (2) EP0335521B1 (fi)
JP (2) JP3321156B2 (fi)
KR (1) KR0161258B1 (fi)
AU (1) AU608432B2 (fi)
BR (1) BR8907308A (fi)
CA (1) CA1335003C (fi)
DE (2) DE68929442T2 (fi)
DK (1) DK175478B1 (fi)
ES (2) ES2047664T3 (fi)
FI (2) FI110726B (fi)
HK (1) HK135896A (fi)
IE (1) IE61863B1 (fi)
NO (2) NO304858B1 (fi)
NZ (1) NZ228290A (fi)
PT (1) PT89978B (fi)
WO (1) WO1989008910A1 (fi)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
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 (fi) * 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)

* Cited by examiner, † Cited by third party
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−

Also Published As

Publication number Publication date
NO316610B1 (no) 2004-03-08
EP0335521B1 (en) 1993-11-24
FI904410A0 (fi) 1990-09-07
NO903936L (no) 1990-11-09
NZ228290A (en) 1992-01-29
DE68910859D1 (de) 1994-01-05
PT89978A (pt) 1989-11-10
EP0548054A3 (fi) 1994-01-12
FI115328B (fi) 2005-04-15
JPH03504283A (ja) 1991-09-19
WO1989008910A1 (en) 1989-09-21
KR0161258B1 (ko) 1999-03-20
NO982568D0 (no) 1998-06-04
PT89978B (pt) 1995-03-01
EP0548054A2 (en) 1993-06-23
DK175478B1 (da) 2004-11-08
NO982568L (no) 1990-11-09
NO304858B1 (no) 1999-02-22
IE61863B1 (en) 1994-11-30
FI20010933A (fi) 2001-05-04
EP0335521A1 (en) 1989-10-04
KR900700993A (ko) 1990-08-17
ES2047664T3 (es) 1994-03-01
JP2000148172A (ja) 2000-05-26
IE890774L (en) 1989-09-11
DE68929442D1 (de) 2003-01-23
JP3423906B2 (ja) 2003-07-07
CA1335003C (en) 1995-03-28
JP3321156B2 (ja) 2002-09-03
DE68910859T2 (de) 1994-12-08
HK135896A (en) 1996-08-02
EP0548054B1 (en) 2002-12-11
NO903936D0 (no) 1990-09-10
DK215690D0 (da) 1990-09-07
ES2188588T3 (es) 2003-07-01
AU3355489A (en) 1989-10-05
BR8907308A (pt) 1991-03-19
AU608432B2 (en) 1991-03-28
DK215690A (da) 1990-09-07
FI110726B (fi) 2003-03-14

Similar Documents

Publication Publication Date Title
DE68929442T2 (de) Vorrichtung zur Erfassung von Sprachlauten
US5867581A (en) Hearing aid
MXPA03005619A (es) Metodo y arreglo para determinar una senal de ruido de una fuente de ruido.
GB2208022B (en) Voice interval detection system
TW340938B (en) Dialog device with voice identification capabilty
JPS55585A (en) Conversation sound discriminating system
SE8201598L (sv) Anordning for att reducera bruset i en talsignal som er blandad med brus
JPS56104399A (en) Voice interval detection system
ATE268494T1 (de) Adaptiver sprachsignalfilter
ATE164283T1 (de) Störreduktionssystem für ein binaurales hörgerät
KR910020644A (ko) 음성잡음분리장치
MXPA00001875A (es) Sistema y metodo de reconocimiento de voz.
FR2648661B1 (fr) Detecteur de signaux alternatifs basse frequence notamment pour joncteur telephonique
JPS5491008A (en) Audio recognition unit
JPS5999497A (ja) 音声認識装置
JPH0394300A (ja) 音声検出器
JPH0424693A (ja) 音声区間検出方式
JPS57178116A (en) Discriminating device for flying sound of aircraft
JPS6028698A (ja) 有音無音検出装置
JPS6364099A (ja) 音声認識装置
JPS6267598A (ja) 音声区間検出方式
JPS5793476A (en) Word processor
JPS63127295A (ja) 音声区間検出方式
KR970012283A (ko) 음악의 종류 자동인식 처리 시스템
JPS6395500A (ja) 音声検出回路

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: LG ELECTRONICS INC., SEOUL, KR

8364 No opposition during term of opposition