[go: up one dir, main page]

DE69631318D1 - Verfahren und Vorrichtung zur Erzeugung von Hintergrundrauschen in einem digitalen Übertragungssystem - Google Patents

Verfahren und Vorrichtung zur Erzeugung von Hintergrundrauschen in einem digitalen Übertragungssystem

Info

Publication number
DE69631318D1
DE69631318D1 DE69631318T DE69631318T DE69631318D1 DE 69631318 D1 DE69631318 D1 DE 69631318D1 DE 69631318 T DE69631318 T DE 69631318T DE 69631318 T DE69631318 T DE 69631318T DE 69631318 D1 DE69631318 D1 DE 69631318D1
Authority
DE
Germany
Prior art keywords
transmission system
background noise
digital transmission
generating background
generating
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
DE69631318T
Other languages
English (en)
Other versions
DE69631318T2 (de
Inventor
Dominique Massaloux
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.)
Orange SA
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Publication of DE69631318D1 publication Critical patent/DE69631318D1/de
Application granted granted Critical
Publication of DE69631318T2 publication Critical patent/DE69631318T2/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
    • G10L19/012—Comfort noise or silence coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H04J3/175—Speech activity or inactivity detectors
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—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 spectral information of each sub-band

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
DE1996631318 1995-10-13 1996-10-10 Verfahren und Vorrichtung zur Erzeugung von Hintergrundrauschen in einem digitalen Übertragungssystem Expired - Lifetime DE69631318T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9512039 1995-10-13
FR9512039A FR2739995B1 (fr) 1995-10-13 1995-10-13 Procede et dispositif de creation d'un bruit de confort dans un systeme de transmission numerique de parole

Publications (2)

Publication Number Publication Date
DE69631318D1 true DE69631318D1 (de) 2004-02-19
DE69631318T2 DE69631318T2 (de) 2004-11-18

Family

ID=9483505

Family Applications (3)

Application Number Title Priority Date Filing Date
DE1996631318 Expired - Lifetime DE69631318T2 (de) 1995-10-13 1996-10-10 Verfahren und Vorrichtung zur Erzeugung von Hintergrundrauschen in einem digitalen Übertragungssystem
DE69637565T Expired - Lifetime DE69637565D1 (de) 1995-10-13 1996-10-10 Synthese eines Anregungssignales zur Verwendung in einem Generator von Komfortrauschen
DE69637612T Expired - Lifetime DE69637612D1 (de) 1995-10-13 1996-10-10 Erzeugung einer Rahmenbeschreibung der Stille zur Erzeugung eines angenehmen Hintergrundrauschens

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69637565T Expired - Lifetime DE69637565D1 (de) 1995-10-13 1996-10-10 Synthese eines Anregungssignales zur Verwendung in einem Generator von Komfortrauschen
DE69637612T Expired - Lifetime DE69637612D1 (de) 1995-10-13 1996-10-10 Erzeugung einer Rahmenbeschreibung der Stille zur Erzeugung eines angenehmen Hintergrundrauschens

Country Status (8)

Country Link
US (1) US5812965A (de)
EP (3) EP0768770B1 (de)
JP (2) JP3781495B2 (de)
KR (1) KR100357254B1 (de)
CN (1) CN1104710C (de)
DE (3) DE69631318T2 (de)
FR (1) FR2739995B1 (de)
HK (2) HK1057939A1 (de)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5978756A (en) * 1996-03-28 1999-11-02 Intel Corporation Encoding audio signals using precomputed silence
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
US5960389A (en) 1996-11-15 1999-09-28 Nokia Mobile Phones Limited Methods for generating comfort noise 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
KR100205251B1 (ko) * 1996-12-09 1999-07-01 정선종 코드분할 다중접속 기지국에서의 음성 부호화 장치 및 방법
FR2758676A1 (fr) * 1997-01-21 1998-07-24 Philips Electronics Nv Methode de reduction des clics dans un systeme de transmission de donnees
PT887958E (pt) * 1997-06-23 2003-06-30 Liechti Ag Metodo para a compressao de gravacoes de ruido ambiente metodo para a deteccao de elementos de programa no mesmo dispositivos e programa de computadorpara tal
US6347081B1 (en) * 1997-08-25 2002-02-12 Telefonaktiebolaget L M Ericsson (Publ) Method for power reduced transmission of speech inactivity
US6023674A (en) * 1998-01-23 2000-02-08 Telefonaktiebolaget L M Ericsson Non-parametric voice activity detection
US6122611A (en) * 1998-05-11 2000-09-19 Conexant Systems, Inc. Adding noise during LPC coded voice activity periods to improve the quality of coded speech coexisting with background noise
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
US6192335B1 (en) * 1998-09-01 2001-02-20 Telefonaktieboiaget Lm Ericsson (Publ) Adaptive combining of multi-mode coding for voiced speech and noise-like signals
US6256606B1 (en) * 1998-11-30 2001-07-03 Conexant Systems, Inc. Silence description coding for multi-rate speech codecs
US6691084B2 (en) * 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
US6519260B1 (en) 1999-03-17 2003-02-11 Telefonaktiebolaget Lm Ericsson (Publ) Reduced delay priority for comfort noise
US7423983B1 (en) * 1999-09-20 2008-09-09 Broadcom Corporation Voice and data exchange over a packet based network
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
GB2350532B (en) * 1999-05-28 2001-08-08 Mitel Corp Method to generate telephone comfort noise during silence in a packetized voice communication system
JP3451998B2 (ja) * 1999-05-31 2003-09-29 日本電気株式会社 無音声符号化を含む音声符号化・復号装置、復号化方法及びプログラムを記録した記録媒体
US7161931B1 (en) * 1999-09-20 2007-01-09 Broadcom Corporation Voice and data exchange over a packet based network
EP1094446B1 (de) * 1999-10-18 2006-06-07 Lucent Technologies Inc. Spracheaufnahme mit Pausenkompression und Erzeugung von Hintergrundrauschen für digitale Datenübertragungsvorrichtung
GB2356538A (en) * 1999-11-22 2001-05-23 Mitel Corp Comfort noise generation for open discontinuous transmission systems
US6615170B1 (en) * 2000-03-07 2003-09-02 International Business Machines Corporation Model-based voice activity detection system and method using a log-likelihood ratio and pitch
GB0007655D0 (en) * 2000-03-29 2000-05-17 Simoco Int Ltd Digital transmission
US7254532B2 (en) * 2000-04-28 2007-08-07 Deutsche Telekom Ag Method for making a voice activity decision
US6898195B1 (en) * 2000-05-09 2005-05-24 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for sustaining conversational services in a packet switched radio access network
US7246057B1 (en) * 2000-05-31 2007-07-17 Telefonaktiebolaget Lm Ericsson (Publ) System for handling variations in the reception of a speech signal consisting of packets
EP1179819A1 (de) * 2000-08-11 2002-02-13 Lucent Technologies Inc. Effiziente Übertragung von Komfortgeräuschen
US6807525B1 (en) * 2000-10-31 2004-10-19 Telogy Networks, Inc. SID frame detection with human auditory perception compensation
EP1204093A1 (de) * 2000-11-02 2002-05-08 Lucent Technologies Inc. Diskontinuierliche Übertragung von Hintergrundrauschen
US6662155B2 (en) * 2000-11-27 2003-12-09 Nokia Corporation Method and system for comfort noise generation in speech communication
GB2370206A (en) * 2000-12-15 2002-06-19 Ericsson Telefon Ab L M Storing a speech signal, e.g. in a mobile telephone
US6631139B2 (en) * 2001-01-31 2003-10-07 Qualcomm Incorporated Method and apparatus for interoperability between voice transmission systems during speech inactivity
US20030120484A1 (en) * 2001-06-12 2003-06-26 David Wong Method and system for generating colored comfort noise in the absence of silence insertion description packets
US20030212550A1 (en) * 2002-05-10 2003-11-13 Ubale Anil W. Method, apparatus, and system for improving speech quality of voice-over-packets (VOP) systems
US7746797B2 (en) * 2002-10-09 2010-06-29 Nortel Networks Limited Non-intrusive monitoring of quality levels for voice communications over a packet-based network
EP1414024A1 (de) * 2002-10-21 2004-04-28 Alcatel Realistisches Hintergrundrauschen für Sprachverbindungen über Paketnetzwerke
US7406096B2 (en) * 2002-12-06 2008-07-29 Qualcomm Incorporated Tandem-free intersystem voice communication
WO2004056142A1 (en) * 2002-12-16 2004-07-01 Research In Motion Limited Methods and apparatus for reducing power consumption in cdma communication device
US7436786B2 (en) * 2003-12-09 2008-10-14 International Business Machines Corporation Telecommunications system for minimizing the effect of white noise data packets for the generation of required white noise on transmission channel utilization
US20060149536A1 (en) * 2004-12-30 2006-07-06 Dunling Li SID frame update using SID prediction error
CN101213591B (zh) * 2005-06-18 2013-07-24 诺基亚公司 用于非连续语音传输期间的舒适噪声参数自适应传输的系统和方法
KR100785471B1 (ko) * 2006-01-06 2007-12-13 와이더댄 주식회사 통신망을 통해 가입자 단말기로 전송되는 오디오 신호의출력 품질 개선을 위한 오디오 신호의 처리 방법 및 상기방법을 채용한 오디오 신호 처리 장치
CN101087319B (zh) * 2006-06-05 2012-01-04 华为技术有限公司 一种发送和接收背景噪声的方法和装置及静音压缩系统
US20080059161A1 (en) * 2006-09-06 2008-03-06 Microsoft Corporation Adaptive Comfort Noise Generation
CN101303855B (zh) * 2007-05-11 2011-06-22 华为技术有限公司 一种舒适噪声参数产生方法和装置
CN101483042B (zh) 2008-03-20 2011-03-30 华为技术有限公司 一种噪声生成方法以及噪声生成装置
CN101309487B (zh) * 2008-07-15 2011-05-11 华为技术有限公司 一种语音帧的处理方法、系统和基站
ES2410259T3 (es) * 2008-10-16 2013-07-01 Telefonaktiebolaget L M Ericsson (Publ) Aparato y método para controlar transmisiones esporádicas de Descriptor de Inserción de Silencio (SID)
US20100260273A1 (en) * 2009-04-13 2010-10-14 Dsp Group Limited Method and apparatus for smooth convergence during audio discontinuous transmission
CN102034476B (zh) * 2009-09-30 2013-09-11 华为技术有限公司 语音帧错误检测的方法及装置
TR201904735T4 (tr) * 2010-04-13 2019-04-22 Fraunhofer Ges Forschung Bi̇r ses si̇nyali̇ni̇n boşluksuz yeni̇den oynatilmasina yöneli̇k yöntem ve kodlayici ve dekoder
US20110273213A1 (en) * 2010-05-06 2011-11-10 Qualcomm Incorporated Method and apparatus to dynamically adjust a clock rate in a mobile device
CN106169297B (zh) 2013-05-30 2019-04-19 华为技术有限公司 信号编码方法及设备
US9185506B1 (en) * 2013-12-16 2015-11-10 Amazon Technologies, Inc. Comfort noise generation based on noise estimation
EP2980801A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Schätzung des Rauschens in einem Audiosignal, Rauschschätzer, Audiocodierer, Audiodecodierer und System zur Übertragung von Audiosignalen
GB2532041B (en) * 2014-11-06 2019-05-29 Imagination Tech Ltd Comfort noise generation
US10978096B2 (en) * 2017-04-25 2021-04-13 Qualcomm Incorporated Optimized uplink operation for voice over long-term evolution (VoLte) and voice over new radio (VoNR) listen or silent periods

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE61863B1 (en) * 1988-03-11 1994-11-30 British Telecomm Voice activity detection
US5276765A (en) * 1988-03-11 1994-01-04 British Telecommunications Public Limited Company Voice activity detection
JPH0236628A (ja) * 1988-07-27 1990-02-06 Toshiba Corp 音声信号の送信方式及び送受信方式
US5537509A (en) * 1990-12-06 1996-07-16 Hughes Electronics Comfort noise generation for digital communication systems
JPH04312048A (ja) * 1991-04-11 1992-11-04 Matsushita Electric Ind Co Ltd 音声パケットシステム
JP2518765B2 (ja) * 1991-05-31 1996-07-31 国際電気株式会社 音声符号化通信方式及びその装置
JP2897551B2 (ja) * 1992-10-12 1999-05-31 日本電気株式会社 音声復号化装置
JPH06282297A (ja) * 1993-03-26 1994-10-07 Idou Tsushin Syst Kaihatsu Kk 音声符号化方式
JPH0750631A (ja) * 1993-08-05 1995-02-21 Toshiba Corp 擬似背景雑音発生機能を備えたディジタル無線通信装置
SE501981C2 (sv) * 1993-11-02 1995-07-03 Ericsson Telefon Ab L M Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler
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
JPH08254997A (ja) * 1995-03-16 1996-10-01 Fujitsu Ltd 音声符号化・復号化方法

Also Published As

Publication number Publication date
HK1057939A1 (en) 2004-04-23
DE69637612D1 (de) 2008-09-04
EP0768770A1 (de) 1997-04-16
FR2739995B1 (fr) 1997-12-12
EP1320087A2 (de) 2003-06-18
DE69631318T2 (de) 2004-11-18
EP1320087A3 (de) 2006-05-17
EP1372289A3 (de) 2006-05-17
HK1062506A1 (en) 2004-11-05
EP1372289B1 (de) 2008-07-23
CN1104710C (zh) 2003-04-02
EP0768770B1 (de) 2004-01-14
JP4422500B2 (ja) 2010-02-24
JP3781495B2 (ja) 2006-05-31
CN1155801A (zh) 1997-07-30
JP2004177978A (ja) 2004-06-24
JPH09179590A (ja) 1997-07-11
EP1372289A2 (de) 2003-12-17
KR100357254B1 (ko) 2003-01-10
EP1320087B1 (de) 2008-06-11
DE69637565D1 (de) 2008-07-24
FR2739995A1 (fr) 1997-04-18
US5812965A (en) 1998-09-22

Similar Documents

Publication Publication Date Title
DE69631318D1 (de) Verfahren und Vorrichtung zur Erzeugung von Hintergrundrauschen in einem digitalen Übertragungssystem
DE69816128D1 (de) Verfahren und vorrichtung zur erzeugung von hintergrundrauschen in einem kommunikationssystem
DE69634318D1 (de) Verfahren und Vorrichtung zur Gebührenerfassung von Benutzern in einem Geheimübertragungssystem
DE69419813D1 (de) Vorrichtung und Verfahren zur Erzeugung einer annähernden Funktion
DE69638211D1 (de) Vorrichtung und Verfahren zur digitalen Datenübertragung
DE69625455D1 (de) Vorrichtung und verfahren zur erzeugung von virtuellen bildern
DE59609111D1 (de) Verfahren und vorrichtung zur erzeugung von resonanzerscheinungen in partikelsuspensionen
DE69616136D1 (de) Verfahren und Gerät zur Erzeugung und zur Bearbeitung von Quadratursignalen
DE69739264D1 (de) Verfahren und vorrichtung zur erzeugung von timing
DE69735910D1 (de) Verfahren und Vorrichtung zur Erzeugung von Kurznachrichten
DE69410408D1 (de) Vorrichtung und Verfahren zur Erzeugung von Aerosols
DE69601374D1 (de) Verfahren und vorrichtung zur synchronisierung von datenubertragungen mit wahlverbindungen in einem netzwerk
DE69629478D1 (de) Vorrichtung und verfahren zur erzeugung von gasbläschen optimaler grösse
DE69023914D1 (de) Verfahren und vorrichtung zur erzeugung gerasterter halbtonbilder.
DE69525093D1 (de) Vorrichtung und Verfahren zur Erzeugung eines phasengesteuerten Taktsignals
DE69619587D1 (de) Verfahren und Vorrichtung zur Tonerzeugung
DE69638200D1 (de) Vorrichtung und Verfahren zur Signalerzeugung
DE69636215D1 (de) Verfahren und vorrichtung zur erzeugung von graviersignalen
DE69727046D1 (de) Verfahren, vorrichtung und system zur erzeugung von segmentzeitspannen in einem text-zu-sprache system
DE69635141D1 (de) Verfahren zur Erzeugung von Sprachmerkmalsignalen und Vorrichtung zu seiner Durchführung
DE69613950D1 (de) Verfahren und Vorrichtung zur Tonerzeugung
DE69621620D1 (de) Verfahren und vorrichtung zur erzeugung und kodierung von linienspektralwurzeln
DE69515001D1 (de) Verfahren und Vorrichtung zur Erzeugung von mehreren Bildern
DE69621951D1 (de) Verfahren und einrichtung zur erzeugung einer bestätigung in einem kommunikationssystem
DE69716655D1 (de) Verfahren und Vorrichtung zur Erzeugung von Bilddaten

Legal Events

Date Code Title Description
8364 No opposition during term of opposition