[go: up one dir, main page]

DE69720822D1 - Verwendung von Sprachaktivitätserkennung zur effizienten Sprachkodierung - Google Patents

Verwendung von Sprachaktivitätserkennung zur effizienten Sprachkodierung

Info

Publication number
DE69720822D1
DE69720822D1 DE69720822T DE69720822T DE69720822D1 DE 69720822 D1 DE69720822 D1 DE 69720822D1 DE 69720822 T DE69720822 T DE 69720822T DE 69720822 T DE69720822 T DE 69720822T DE 69720822 D1 DE69720822 D1 DE 69720822D1
Authority
DE
Germany
Prior art keywords
speech
activity detection
efficient
coding
speech coding
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
DE69720822T
Other languages
English (en)
Inventor
Adil Benyassine
Huan-Yu Su
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.)
Boeing North American Inc
Original Assignee
Rockwell International 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24356733&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69720822(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rockwell International Corp filed Critical Rockwell International Corp
Application granted granted Critical
Publication of DE69720822D1 publication Critical patent/DE69720822D1/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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
DE69720822T 1996-01-22 1997-01-20 Verwendung von Sprachaktivitätserkennung zur effizienten Sprachkodierung Expired - Lifetime DE69720822D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/589,132 US5689615A (en) 1996-01-22 1996-01-22 Usage of voice activity detection for efficient coding of speech

Publications (1)

Publication Number Publication Date
DE69720822D1 true DE69720822D1 (de) 2003-05-22

Family

ID=24356733

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69720822T Expired - Lifetime DE69720822D1 (de) 1996-01-22 1997-01-20 Verwendung von Sprachaktivitätserkennung zur effizienten Sprachkodierung

Country Status (4)

Country Link
US (1) US5689615A (de)
EP (1) EP0785541B1 (de)
JP (1) JPH09204199A (de)
DE (1) DE69720822D1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100840B (fi) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
SE507370C2 (sv) * 1996-09-13 1998-05-18 Ericsson Telefon Ab L M Metod och anordning för att alstra komfortbrus i linjärprediktiv talavkodare
US6269331B1 (en) * 1996-11-14 2001-07-31 Nokia Mobile Phones Limited Transmission of comfort noise parameters during discontinuous transmission
JP3575967B2 (ja) * 1996-12-02 2004-10-13 沖電気工業株式会社 音声通信システムおよび音声通信方法
FR2761512A1 (fr) * 1997-03-25 1998-10-02 Philips Electronics Nv Dispositif de generation de bruit de confort et codeur de parole incluant un tel dispositif
US6240383B1 (en) * 1997-07-25 2001-05-29 Nec Corporation Celp speech coding and decoding system for creating comfort noise dependent on the spectral envelope of the speech signal
US6023674A (en) * 1998-01-23 2000-02-08 Telefonaktiebolaget L M Ericsson Non-parametric voice activity detection
JP4045003B2 (ja) * 1998-02-16 2008-02-13 富士通株式会社 拡張ステーション及びそのシステム
US6240386B1 (en) * 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
US7072832B1 (en) 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
US6314396B1 (en) * 1998-11-06 2001-11-06 International Business Machines Corporation Automatic gain control in a speech recognition system
US6959274B1 (en) * 1999-09-22 2005-10-25 Mindspeed Technologies, Inc. Fixed rate speech compression system and method
US7254532B2 (en) * 2000-04-28 2007-08-07 Deutsche Telekom Ag Method for making a voice activity decision
US7130288B2 (en) * 2001-01-24 2006-10-31 Qualcomm Incorporated Method for power control for mixed voice and data transmission
JP3826032B2 (ja) * 2001-12-28 2006-09-27 株式会社東芝 音声認識装置、音声認識方法及び音声認識プログラム
US7630409B2 (en) * 2002-10-21 2009-12-08 Lsi Corporation Method and apparatus for improved play-out packet control algorithm
FI20021936L (fi) * 2002-10-31 2004-05-01 Nokia Corp Vaihtuvanopeuksinen puhekoodekki
US7574353B2 (en) * 2004-11-18 2009-08-11 Lsi Logic Corporation Transmit/receive data paths for voice-over-internet (VoIP) communication systems
EP1866914B1 (de) 2005-04-01 2010-03-03 Qualcomm Incorporated Vorrichtung und Verfahren für die Teilband-Sprachkodierung
TWI317933B (en) 2005-04-22 2009-12-01 Qualcomm Inc Methods, data storage medium,apparatus of signal processing,and cellular telephone including the same
CN101149921B (zh) * 2006-09-21 2011-08-10 展讯通信（上海）有限公司 一种静音检测方法和装置
BRPI0807703B1 (pt) 2007-02-26 2020-09-24 Dolby Laboratories Licensing Corporation Método para aperfeiçoar a fala em áudio de entretenimento e meio de armazenamento não-transitório legível por computador
CN101335000B (zh) 2008-03-26 2010-04-21 华为技术有限公司 编码的方法及装置
JP5575977B2 (ja) 2010-04-22 2014-08-20 クゥアルコム・インコーポレイテッド ボイスアクティビティ検出
US8898058B2 (en) 2010-10-25 2014-11-25 Qualcomm Incorporated Systems, methods, and apparatus for voice activity detection
CN103229544B (zh) * 2010-12-03 2016-08-17 瑞典爱立信有限公司 源信号自适应帧聚合
DK3493205T3 (da) 2010-12-24 2021-04-19 Huawei Tech Co Ltd Fremgangsmåde og indretning til adaptiv detektion af stemmeaktivitet i et lydindgangssignal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5410632A (en) * 1991-12-23 1995-04-25 Motorola, Inc. Variable hangover time in a voice activity detector
US5734789A (en) * 1992-06-01 1998-03-31 Hughes Electronics Voiced, unvoiced or noise modes in a CELP vocoder
US5509102A (en) * 1992-07-01 1996-04-16 Kokusai Electric Co., Ltd. Voice encoder using a voice activity detector
US5278944A (en) * 1992-07-15 1994-01-11 Kokusai Electric Co., Ltd. Speech coding circuit
JP3182032B2 (ja) * 1993-12-10 2001-07-03 株式会社日立国際電気 音声符号化通信方式及びその装置

Also Published As

Publication number Publication date
US5689615A (en) 1997-11-18
EP0785541A2 (de) 1997-07-23
EP0785541A3 (de) 1998-09-09
EP0785541B1 (de) 2003-04-16
JPH09204199A (ja) 1997-08-05

Similar Documents

Publication Publication Date Title
DE69720822D1 (de) Verwendung von Sprachaktivitätserkennung zur effizienten Sprachkodierung
DE69721349D1 (de) Sprachkodierung
DE69713295D1 (de) Azabicyclishe carbaniumsaureester zur therapeutsichen verwendung
FI114422B (fi) Lähteen puheaktiviteetin tunnistus
DE69721347D1 (de) Sprachaktivitätserkennung
DE69814517D1 (de) Sprachkodierung
DE69724557D1 (de) Dokumentenanalyse
DE69729229D1 (de) Oxydationskatalysator-System und dessen Verwendung in einem Oxidationsverfahren
DE69913678D1 (de) System zur überwachung von gegenständen oder menschen
ATE190579T1 (de) Verschlussmembran
DE69532847D1 (de) System zur Seitenanalyse
DE69718184D1 (de) Rasierer
NO991196D0 (no) Hjelpe-heisverk
DE69718234D1 (de) Sprachkodierer
DE69717084D1 (de) Rasiergerät
DE69720855D1 (de) Vorrichtung zur Kodierung und Dekodierung von Sprache
ATE190284T1 (de) Verschlussmembran
DE69732435D1 (de) Verwendung von 1-nonen-3-one als aromastoff
DE69725563D1 (de) Geo-verbundmembran
DE69702261D1 (de) Sprachkodierung
NO991616D0 (no) Katalysatorer
DE69719392D1 (de) System zur Bestimmung von Gaskonzentration
DE69709579D1 (de) System zur Überwachung von Biozidbehandlungen
ATE230983T1 (de) Neue verwendung von kreatin
ATE245424T1 (de) Verwendung von hyaluronsäure zur zellmobilisierung

Legal Events

Date Code Title Description
8332 No legal effect for de