AU3355489A - Voice activity detection - Google Patents

Voice activity detection

Info

Publication number
AU3355489A
AU3355489A AU33554/89A AU3355489A AU3355489A AU 3355489 A AU3355489 A AU 3355489A AU 33554/89 A AU33554/89 A AU 33554/89A AU 3355489 A AU3355489 A AU 3355489A AU 3355489 A AU3355489 A AU 3355489A
Authority
AU
Australia
Prior art keywords
voice activity
activity detection
voice
detection
activity
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.)
Granted
Application number
AU33554/89A
Other versions
AU608432B2 (en
Inventor
Ivan Boyd
Daniel Kenneth Freeman
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
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of AU3355489A publication Critical patent/AU3355489A/en
Application granted granted Critical
Publication of AU608432B2 publication Critical patent/AU608432B2/en
Assigned to LG ELECTRONICS INC. reassignment LG ELECTRONICS INC. Alteration of Name(s) in Register under S187 Assignors: BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
Anticipated expiration legal-status Critical
Expired 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)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (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)
  • 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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
AU33554/89A 1988-03-11 1989-03-10 Voice activity detection Expired AU608432B2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB888805795A GB8805795D0 (en) 1988-03-11 1988-03-11 Voice activity detector
GB8805795 1988-03-11
GB8813346 1988-06-06
GB888813346A GB8813346D0 (en) 1988-06-06 1988-06-06 Voice activity detection
GB888820105A GB8820105D0 (en) 1988-08-24 1988-08-24 Voice activity detection
GB8820105 1988-08-24

Publications (2)

Publication Number Publication Date
AU3355489A true AU3355489A (en) 1989-10-05
AU608432B2 AU608432B2 (en) 1991-03-28

Family

ID=27263821

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33554/89A Expired AU608432B2 (en) 1988-03-11 1989-03-10 Voice activity detection

Country Status (16)

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

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 (en) * 1992-10-21 1994-11-25 Sextant Avionique Speech detection method.
SE470577B (en) * 1993-01-29 1994-09-19 Ericsson Telefon Ab L M Method and apparatus for encoding and / or decoding background noise
JPH06332492A (en) * 1993-05-19 1994-12-02 Matsushita Electric Ind Co Ltd Method and device for voice detection
SE501305C2 (en) * 1993-05-26 1995-01-09 Ericsson Telefon Ab L M Method and apparatus for discriminating between stationary and non-stationary signals
EP0633658A3 (en) * 1993-07-06 1996-01-17 Hughes Aircraft Co Voice activated transmission coupled AGC circuit.
IN184794B (en) * 1993-09-14 2000-09-30 British Telecomm
SE501981C2 (en) * 1993-11-02 1995-07-03 Ericsson Telefon Ab L M Method and apparatus for discriminating between stationary and non-stationary signals
US5742734A (en) * 1994-08-10 1998-04-21 Qualcomm Incorporated Encoding rate selection in a variable rate vocoder
FR2727236B1 (en) * 1994-11-22 1996-12-27 Alcatel Mobile Comm France DETECTION OF VOICE ACTIVITY
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 (en) * 1995-10-13 1997-12-12 Massaloux Dominique METHOD AND DEVICE FOR CREATING COMFORT NOISE IN A DIGITAL SPEECH TRANSMISSION SYSTEM
US5794199A (en) * 1996-01-29 1998-08-11 Texas Instruments Incorporated Method and system for improved discontinuous speech transmission
JP4307557B2 (en) 1996-07-03 2009-08-05 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー Voice activity detector
US6618701B2 (en) 1999-04-19 2003-09-09 Motorola, Inc. Method and system for noise suppression using external voice activity detection
DE10052626A1 (en) * 2000-10-24 2002-05-02 Alcatel Sa Adaptive noise level estimator
CN1617606A (en) * 2003-11-12 2005-05-18 皇家飞利浦电子股份有限公司 Method and device for transmitting non voice data in voice channel
US7155388B2 (en) * 2004-06-30 2006-12-26 Motorola, Inc. Method and apparatus for characterizing inhalation noise and calculating parameters based on the characterization
US7139701B2 (en) * 2004-06-30 2006-11-21 Motorola, Inc. Method for detecting and attenuating inhalation noise in a communication system
FI20045315A (en) * 2004-08-30 2006-03-01 Nokia Corp Detection of voice activity in an audio signal
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
US8954324B2 (en) 2007-09-28 2015-02-10 Qualcomm Incorporated Multiple microphone voice activity detector
US8175871B2 (en) 2007-09-28 2012-05-08 Qualcomm Incorporated Apparatus and method of noise and echo reduction in multiple microphone audio systems
US8223988B2 (en) 2008-01-29 2012-07-17 Qualcomm Incorporated Enhanced blind source separation algorithm for highly correlated mixtures
US8244528B2 (en) 2008-04-25 2012-08-14 Nokia Corporation Method and apparatus for voice activity determination
US8275136B2 (en) 2008-04-25 2012-09-25 Nokia Corporation Electronic device speech enhancement
WO2009130388A1 (en) 2008-04-25 2009-10-29 Nokia Corporation Calibrating multiple microphones
ES2371619B1 (en) * 2009-10-08 2012-08-08 Telefónica, S.A. VOICE SEGMENT DETECTION PROCEDURE.
CN102576528A (en) * 2009-10-19 2012-07-11 瑞典爱立信有限公司 Detector and method for voice activity detection
CN108985277B (en) * 2018-08-24 2020-11-10 广东石油化工学院 Method and system for filtering background noise in power signal

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 (en) * 1982-12-22 1984-07-04 Nec Corp Voice detector
DE3370423D1 (en) * 1983-06-07 1987-04-23 Ibm Process for activity detection in a voice transmission system
JPS6196817A (en) * 1984-10-17 1986-05-15 Sharp Corp Filter

Also Published As

Publication number Publication date
PT89978B (en) 1995-03-01
DE68910859D1 (en) 1994-01-05
FI115328B (en) 2005-04-15
DE68929442T2 (en) 2003-10-02
DE68929442D1 (en) 2003-01-23
JP2000148172A (en) 2000-05-26
JP3321156B2 (en) 2002-09-03
NO316610B1 (en) 2004-03-08
EP0548054A3 (en) 1994-01-12
HK135896A (en) 1996-08-02
AU608432B2 (en) 1991-03-28
NO903936L (en) 1990-11-09
DK215690A (en) 1990-09-07
EP0335521A1 (en) 1989-10-04
PT89978A (en) 1989-11-10
KR0161258B1 (en) 1999-03-20
EP0548054B1 (en) 2002-12-11
BR8907308A (en) 1991-03-19
DE68910859T2 (en) 1994-12-08
JPH03504283A (en) 1991-09-19
NO982568D0 (en) 1998-06-04
JP3423906B2 (en) 2003-07-07
NZ228290A (en) 1992-01-29
KR900700993A (en) 1990-08-17
FI904410A0 (en) 1990-09-07
FI20010933A (en) 2001-05-04
EP0548054A2 (en) 1993-06-23
FI110726B (en) 2003-03-14
DK175478B1 (en) 2004-11-08
DK215690D0 (en) 1990-09-07
NO903936D0 (en) 1990-09-10
NO304858B1 (en) 1999-02-22
EP0335521B1 (en) 1993-11-24
ES2047664T3 (en) 1994-03-01
IE61863B1 (en) 1994-11-30
ES2188588T3 (en) 2003-07-01
IE890774L (en) 1989-09-11
NO982568L (en) 1990-11-09
CA1335003C (en) 1995-03-28
WO1989008910A1 (en) 1989-09-21

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Legal Events

Date Code Title Description
PC Assignment registered

Owner name: LG ELECTRONICS INC.

Free format text: FORMER OWNER WAS: BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY