EP0874352A3 - Sprachaktivitätserkennung - Google Patents

Sprachaktivitätserkennung Download PDF

Info

Publication number
EP0874352A3
EP0874352A3 EP98102842A EP98102842A EP0874352A3 EP 0874352 A3 EP0874352 A3 EP 0874352A3 EP 98102842 A EP98102842 A EP 98102842A EP 98102842 A EP98102842 A EP 98102842A EP 0874352 A3 EP0874352 A3 EP 0874352A3
Authority
EP
European Patent Office
Prior art keywords
speech
activity identification
voice activity
activity detection
controlling
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
EP98102842A
Other languages
English (en)
French (fr)
Other versions
EP0874352A2 (de
EP0874352B1 (de
Inventor
Joachim Dipl.-Ing. Stegmann
Gerhard Dipl.-Ing. Schröder
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.)
Deutsche Telekom AG
Original Assignee
Deutsche Telekom AG
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 Deutsche Telekom AG filed Critical Deutsche Telekom AG
Publication of EP0874352A2 publication Critical patent/EP0874352A2/de
Publication of EP0874352A3 publication Critical patent/EP0874352A3/de
Application granted granted Critical
Publication of EP0874352B1 publication Critical patent/EP0874352B1/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
    • 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
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (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)

Abstract

Es werden ein Verfahren und eine Schaltungsanordnung zur automatischen Sprachaktivitätserkennung auf Basis der Wavelet-Transformation angegeben. Zur quellengesteuerten Reduktion der mittleren Übertragungsrate wird eine Sprachaktivitätserkennungsschaltung bzw. ein -modul zur Steuerung eines Sprachcodierers und eines Sprachdecodierers und zur Steuerung eines Hintergrundgeräuschcodierers sowie eines Hintergrundgeräuschdecodierers verwendet. Nach der Segmentierung eines Sprachsignals wird für jeden Rahmen eine Wavelet-Transformation berechnet, aus der ein Satz Parameter ermittelt wird, aus denen wiederum mit Hilfe fester Schwellen ein Satz binärer Entscheidungsvariablen in einer Rechenschaltung (32) berechnet wird. Die Entscheidungsvariablen steuern eine Entscheidungslogik (42), deren Resultat nach zeitlicher Glättung in einer Schaltung (44) für jeden Rahmen eine Aussage "Sprache vorhanden / keine Sprache" liefert. Die Schaltung selbst besteht im wesentlichen aus einer Segmentierungsschaltung (28), einer Wavelet-Transformationsschaltung (30), einer Rechenschaltung für die Energiegrößen (32), einer Schaltung für Pausendetektion (34), einer Schaltung für das Stationaritätsmaß (35), einem ersten und einem zweiten Hintergrunddetektor (36 bzw. 37), einer nachgeschalteten Entscheidungslogik (42) und der Schaltung (44) für die zeitliche Glättung, die an ihrem Ausgang (45) die gewünschte Aussage liefert.
EP98102842A 1997-04-22 1998-02-19 Sprachaktivitätserkennung Expired - Lifetime EP0874352B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19716862 1997-04-22
DE19716862A DE19716862A1 (de) 1997-04-22 1997-04-22 Sprachaktivitätserkennung

Publications (3)

Publication Number Publication Date
EP0874352A2 EP0874352A2 (de) 1998-10-28
EP0874352A3 true EP0874352A3 (de) 1999-06-02
EP0874352B1 EP0874352B1 (de) 2003-10-15

Family

ID=7827317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98102842A Expired - Lifetime EP0874352B1 (de) 1997-04-22 1998-02-19 Sprachaktivitätserkennung

Country Status (4)

Country Link
US (1) US6374211B2 (de)
EP (1) EP0874352B1 (de)
AT (1) ATE252265T1 (de)
DE (2) DE19716862A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10026872A1 (de) * 2000-04-28 2001-10-31 Deutsche Telekom Ag Verfahren zur Berechnung einer Sprachaktivitätsentscheidung (Voice Activity Detector)
US7254532B2 (en) 2000-04-28 2007-08-07 Deutsche Telekom Ag Method for making a voice activity decision
US7505594B2 (en) * 2000-12-19 2009-03-17 Qualcomm Incorporated Discontinuous transmission (DTX) controller system and method
US6725191B2 (en) * 2001-07-19 2004-04-20 Vocaltec Communications Limited Method and apparatus for transmitting voice over internet
US8315865B2 (en) * 2004-05-04 2012-11-20 Hewlett-Packard Development Company, L.P. Method and apparatus for adaptive conversation detection employing minimal computation
US7574353B2 (en) * 2004-11-18 2009-08-11 Lsi Logic Corporation Transmit/receive data paths for voice-over-internet (VoIP) communication systems
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
KR100655953B1 (ko) * 2006-02-06 2006-12-11 한양대학교 산학협력단 웨이블릿 패킷 변환을 이용한 음성 처리 시스템 및 그 방법
US7680657B2 (en) * 2006-08-15 2010-03-16 Microsoft Corporation Auto segmentation based partitioning and clustering approach to robust endpointing
KR100789084B1 (ko) 2006-11-21 2007-12-26 한양대학교 산학협력단 웨이블릿 패킷 영역에서 비선형 구조의 과중 이득에 의한음질 개선 방법
US9361883B2 (en) * 2012-05-01 2016-06-07 Microsoft Technology Licensing, Llc Dictation with incremental recognition of speech
CN104019885A (zh) 2013-02-28 2014-09-03 杜比实验室特许公司 声场分析系统
EP2974253B1 (de) 2013-03-15 2019-05-08 Dolby Laboratories Licensing Corporation Normalisierung von schallfeldausrichtungen auf basis von auditorischer szenenanalyse
US10917611B2 (en) 2015-06-09 2021-02-09 Avaya Inc. Video adaptation in conferencing using power or view indications
WO2020252782A1 (zh) * 2019-06-21 2020-12-24 深圳市汇顶科技股份有限公司 语音检测方法、语音检测装置、语音处理芯片以及电子设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5459814A (en) * 1993-03-26 1995-10-17 Hughes Aircraft Company Voice activity detector for speech signals in variable background noise
EP0751495A2 (de) * 1995-06-30 1997-01-02 Deutsche Telekom AG Verfahren und Anordnung zur Kodierung von Sprachsignalen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5152007A (en) * 1991-04-23 1992-09-29 Motorola, Inc. Method and apparatus for detecting speech
GB2272554A (en) * 1992-11-13 1994-05-18 Creative Tech Ltd Recognizing speech by using wavelet transform and transient response therefrom
US5388182A (en) * 1993-02-16 1995-02-07 Prometheus, Inc. Nonlinear method and apparatus for coding and decoding acoustic signals with data compression and noise suppression using cochlear filters, wavelet analysis, and irregular sampling reconstruction
JP3090842B2 (ja) * 1994-04-28 2000-09-25 沖電気工業株式会社 ビタビ復号法に適応した送信装置
FR2727236B1 (fr) * 1994-11-22 1996-12-27 Alcatel Mobile Comm France Detection d'activite vocale
US5822726A (en) * 1995-01-31 1998-10-13 Motorola, Inc. Speech presence detector based on sparse time-random signal samples
DE19538852A1 (de) * 1995-06-30 1997-01-02 Deutsche Telekom Ag Verfahren und Anordnung zur Klassifizierung von Sprachsignalen
US5781881A (en) * 1995-10-19 1998-07-14 Deutsche Telekom Ag Variable-subframe-length speech-coding classes derived from wavelet-transform parameters

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5459814A (en) * 1993-03-26 1995-10-17 Hughes Aircraft Company Voice activity detector for speech signals in variable background noise
EP0751495A2 (de) * 1995-06-30 1997-01-02 Deutsche Telekom AG Verfahren und Anordnung zur Kodierung von Sprachsignalen

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"Digital cellular telecommunications system; Discontinuous Transmission (DTX) for Enhanced Full Rate (EFR) speech traffic channels (GSM 06.81)", EUROPEAN TELECOMMUNICATION STANDARD, FINAL DRAFT PRETS 300 729, November 1996 (1996-11-01), European Telecommunications Standards Institute (ETSI), XP002098616 *
BENYASSINE A ET AL: "ITU-T RECOMMENDATION G.729 ANNEX B: A SILENCE COMPRESSION SCHEME FOR USE WITH G.729 OPTIMIZED FOR V.70 DIGITAL SIMULTANEOUS VOICE AND DATA APPLICATIONS", IEEE COMMUNICATIONS MAGAZINE, vol. 35, no. 9, September 1997 (1997-09-01), pages 64 - 73, XP000704425 *
STEGMANN J ET AL: "ROBUST VOICE-ACTIVITY DETECTION BASED ON THE WAVELET TRANSFORM", PROCEEDINGS OF THE IEEE WORKSHOP ON SPEECH CODING FOR TELECOMMUNICATIONS, 7 September 1997 (1997-09-07), pages 99 - 100, XP002073237 *

Also Published As

Publication number Publication date
EP0874352A2 (de) 1998-10-28
US6374211B2 (en) 2002-04-16
US20010014854A1 (en) 2001-08-16
ATE252265T1 (de) 2003-11-15
DE59809897D1 (de) 2003-11-20
EP0874352B1 (de) 2003-10-15
DE19716862A1 (de) 1998-10-29

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