DE69331732D1 - Anordnung und Verfahren zur Feststellung der Anwesenheit eines Sprechsignals - Google Patents

Anordnung und Verfahren zur Feststellung der Anwesenheit eines Sprechsignals

Info

Publication number
DE69331732D1
DE69331732D1 DE69331732T DE69331732T DE69331732D1 DE 69331732 D1 DE69331732 D1 DE 69331732D1 DE 69331732 T DE69331732 T DE 69331732T DE 69331732 T DE69331732 T DE 69331732T DE 69331732 D1 DE69331732 D1 DE 69331732D1
Authority
DE
Germany
Prior art keywords
determining
arrangement
speech signal
speech
signal
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 - Fee Related
Application number
DE69331732T
Other languages
English (en)
Other versions
DE69331732T2 (de
Inventor
Claude Cesaro
Gerard Richter
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69331732D1 publication Critical patent/DE69331732D1/de
Application granted granted Critical
Publication of DE69331732T2 publication Critical patent/DE69331732T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/46—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies comprising means for distinguishing between a signalling current of predetermined frequency and a complex current containing that frequency, e.g. speech current
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients
DE69331732T 1993-04-29 1993-04-29 Anordnung und Verfahren zur Feststellung der Anwesenheit eines Sprechsignals Expired - Fee Related DE69331732T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93480048A EP0622964B1 (de) 1993-04-29 1993-04-29 Anordnung und Verfahren zur Feststellung der Anwesenheit eines Sprechsignals

Publications (2)

Publication Number Publication Date
DE69331732D1 true DE69331732D1 (de) 2002-04-25
DE69331732T2 DE69331732T2 (de) 2003-02-06

Family

ID=8214826

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69331732T Expired - Fee Related DE69331732T2 (de) 1993-04-29 1993-04-29 Anordnung und Verfahren zur Feststellung der Anwesenheit eines Sprechsignals

Country Status (4)

Country Link
US (2) US5533118A (de)
EP (1) EP0622964B1 (de)
JP (1) JP2597817B2 (de)
DE (1) DE69331732T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5844994A (en) * 1995-08-28 1998-12-01 Intel Corporation Automatic microphone calibration for video teleconferencing
US5598466A (en) * 1995-08-28 1997-01-28 Intel Corporation Voice activity detector for half-duplex audio communication system
US6175634B1 (en) 1995-08-28 2001-01-16 Intel Corporation Adaptive noise reduction technique for multi-point communication system
US6191869B1 (en) 1996-08-27 2001-02-20 Sharp Kabushiki Kaisha Facsimile machine
GB2325110B (en) * 1997-05-06 2002-10-16 Ibm Voice processing system
GB2330727B (en) * 1997-10-24 2002-10-09 Mitel Corp Tone and periodical signal detection
US6157712A (en) * 1998-02-03 2000-12-05 Telefonaktiebolaget Lm Ericsson Speech immunity enhancement in linear prediction based DTMF detector
US6208970B1 (en) * 1998-12-21 2001-03-27 Nortel Networks Limited Method and system for estimation of a source of a voice signal
CA2358203A1 (en) 1999-01-07 2000-07-13 Tellabs Operations, Inc. Method and apparatus for adaptively suppressing noise
US6556967B1 (en) 1999-03-12 2003-04-29 The United States Of America As Represented By The National Security Agency Voice activity detector
CA2270103C (en) 1999-04-23 2007-10-23 Newbridge Networks Corporation Recognition of a single frequency tone
US6381568B1 (en) 1999-05-05 2002-04-30 The United States Of America As Represented By The National Security Agency Method of transmitting speech using discontinuous transmission and comfort noise
US6463292B1 (en) * 1999-06-04 2002-10-08 Lucent Technologies Inc. System and method for redirecting data messages
KR20020012376A (ko) * 2000-08-07 2002-02-16 임영식 특정 주파수대의 에너지 비를 이용한 톤 신호 검출 방법
US7085715B2 (en) * 2002-01-10 2006-08-01 Mitel Networks Corporation Method and apparatus of controlling noise level calculations in a conferencing system
US6847930B2 (en) * 2002-01-25 2005-01-25 Acoustic Technologies, Inc. Analog voice activity detector for telephone
US20030216909A1 (en) * 2002-05-14 2003-11-20 Davis Wallace K. Voice activity detection
US7127392B1 (en) 2003-02-12 2006-10-24 The United States Of America As Represented By The National Security Agency Device for and method of detecting voice activity
US8189762B2 (en) * 2003-10-30 2012-05-29 Hewlett-Packard Development Company, L.P. System and method for interactive voice response enhanced out-calling
US7925510B2 (en) * 2004-04-28 2011-04-12 Nuance Communications, Inc. Componentized voice server with selectable internal and external speech detectors
KR100744375B1 (ko) * 2005-07-11 2007-07-30 삼성전자주식회사 음성 처리 장치 및 방법
US8073148B2 (en) * 2005-07-11 2011-12-06 Samsung Electronics Co., Ltd. Sound processing apparatus and method
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
US8537977B2 (en) * 2007-04-10 2013-09-17 Sk Telecom. Co., Ltd Apparatus and method for voice processing in mobile communication terminal

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042788A (en) * 1976-05-17 1977-08-16 Stromberg-Carlson Corporation Tone detector
US4667065A (en) * 1985-02-28 1987-05-19 Bangerter Richard M Apparatus and methods for electrical signal discrimination
US4764966A (en) * 1985-10-11 1988-08-16 International Business Machines Corporation Method and apparatus for voice detection having adaptive sensitivity
US4696031A (en) * 1985-12-31 1987-09-22 Wang Laboratories, Inc. Signal detection and discrimination using waveform peak factor
FR2631147B1 (fr) * 1988-05-04 1991-02-08 Thomson Csf Procede et dispositif de detection de signaux vocaux
US4979214A (en) * 1989-05-15 1990-12-18 Dialogic Corporation Method and apparatus for identifying speech in telephone signals
US5325425A (en) * 1990-04-24 1994-06-28 The Telephone Connection Method for monitoring telephone call progress
JP3229382B2 (ja) * 1992-01-28 2001-11-19 株式会社リコー カラー画像形成装置

Also Published As

Publication number Publication date
US5533118A (en) 1996-07-02
JPH07321912A (ja) 1995-12-08
EP0622964A1 (de) 1994-11-02
DE69331732T2 (de) 2003-02-06
EP0622964B1 (de) 2002-03-20
JP2597817B2 (ja) 1997-04-09
US5619565A (en) 1997-04-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee