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SE9500858L - Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning - Google Patents

Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning

Info

Publication number
SE9500858L
SE9500858L SE9500858A SE9500858A SE9500858L SE 9500858 L SE9500858 L SE 9500858L SE 9500858 A SE9500858 A SE 9500858A SE 9500858 A SE9500858 A SE 9500858A SE 9500858 L SE9500858 L SE 9500858L
Authority
SE
Sweden
Prior art keywords
frame
frames
speech
lost
corrupted
Prior art date
Application number
SE9500858A
Other languages
English (en)
Swedish (sv)
Other versions
SE9500858D0 (sv
Inventor
Per Hallkvist
Peter Galyas
Stefan Jung
Johan Andersson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9500858A priority Critical patent/SE9500858L/xx
Publication of SE9500858D0 publication Critical patent/SE9500858D0/xx
Priority to DE69621613T priority patent/DE69621613T2/de
Priority to EP96906989A priority patent/EP0819302B1/en
Priority to AU50181/96A priority patent/AU5018196A/en
Priority to PCT/SE1996/000311 priority patent/WO1996028809A1/en
Publication of SE9500858L publication Critical patent/SE9500858L/xx
Priority to US08/924,878 priority patent/US6055497A/en

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
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm

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)
  • Mobile Radio Communication Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
SE9500858A 1995-03-10 1995-03-10 Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning SE9500858L (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9500858A SE9500858L (sv) 1995-03-10 1995-03-10 Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning
DE69621613T DE69621613T2 (de) 1995-03-10 1996-03-11 Anordnung und verfahren zur sprachübertragung und eine derartige anordnung enthaltende fernsprechanlage
EP96906989A EP0819302B1 (en) 1995-03-10 1996-03-11 Arrangement and method relating to speech transmission and a telecommunications system comprising such arrangement
AU50181/96A AU5018196A (en) 1995-03-10 1996-03-11 Arrangement and method relating to speech transmission and a telecommunications system comprising such arrangement
PCT/SE1996/000311 WO1996028809A1 (en) 1995-03-10 1996-03-11 Arrangement and method relating to speech transmission and a telecommunications system comprising such arrangement
US08/924,878 US6055497A (en) 1995-03-10 1997-09-05 System, arrangement, and method for replacing corrupted speech frames and a telecommunications system comprising such arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9500858A SE9500858L (sv) 1995-03-10 1995-03-10 Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning

Publications (2)

Publication Number Publication Date
SE9500858D0 SE9500858D0 (sv) 1995-03-10
SE9500858L true SE9500858L (sv) 1996-09-11

Family

ID=20397500

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9500858A SE9500858L (sv) 1995-03-10 1995-03-10 Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning

Country Status (6)

Country Link
US (1) US6055497A (xx)
EP (1) EP0819302B1 (xx)
AU (1) AU5018196A (xx)
DE (1) DE69621613T2 (xx)
SE (1) SE9500858L (xx)
WO (1) WO1996028809A1 (xx)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5960389A (en) * 1996-11-15 1999-09-28 Nokia Mobile Phones Limited Methods for generating comfort noise during discontinuous transmission
US20020044570A1 (en) * 1996-12-06 2002-04-18 Philips Electronics North America Corp. Method and apparatus for improved communication for cable tv telephony and data transport
JPH10327089A (ja) * 1997-05-23 1998-12-08 Matsushita Electric Ind Co Ltd 携帯電話装置
EP0924866A1 (fr) * 1997-12-15 1999-06-23 Koninklijke Philips Electronics N.V. Système de transmission comportant au moins une station satellite et une station de raccordement, station comportant un dispositif de correction de message de parole et procédé pour améliorer la qualité des messages de parole
GB2332598B (en) * 1997-12-20 2002-12-04 Motorola Ltd Method and apparatus for discontinuous transmission
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
FI106906B (fi) * 1998-09-09 2001-04-30 Nokia Networks Oy Lähetysmenetelmä ja radiojärjestelmä
JP3599581B2 (ja) * 1998-11-25 2004-12-08 キヤノン株式会社 電子装置及びコンピュータ読み取り可能な記憶媒体
SE9901381L (sv) * 1999-04-19 2000-10-20 Telia Ab Metod och anordning i ett digitalt kommunikationsnät
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
SE514635C2 (sv) * 1999-07-02 2001-03-26 Ericsson Telefon Ab L M Förfaranden och medel för att överföra och mottaga paketdataenheter i ett cellulärt radiokommunikationssystem
US6480472B1 (en) 1999-07-21 2002-11-12 Qualcomm Incorporated Mobile station supervision of the forward dedicated control channel when in the discontinuous transmission mode
US6708024B1 (en) * 1999-09-22 2004-03-16 Legerity, Inc. Method and apparatus for generating comfort noise
US6621834B1 (en) * 1999-11-05 2003-09-16 Raindance Communications, Inc. System and method for voice transmission over network protocols
WO2001037522A1 (en) * 1999-11-19 2001-05-25 Siemens Information And Communication Mobile Llc System and method for wireless communication incorporating error concealment
US6577862B1 (en) 1999-12-23 2003-06-10 Ericsson Inc. System and method for providing comfort noise in a mobile communication network
FI20010235L (fi) * 2001-02-08 2002-08-09 Nokia Corp Menetelmä informaatiokehysten prosessoimiseksi
DE10142102A1 (de) * 2001-08-30 2003-03-27 Schleifring Und Appbau Gmbh Vorrichtung zur störarmen Signalübertragung
GB2381702B (en) * 2001-11-02 2004-01-07 Motorola Inc Communication system, user equipment and method of performing a conference call therefor
US20030093270A1 (en) * 2001-11-13 2003-05-15 Domer Steven M. Comfort noise including recorded noise
CN1323532C (zh) * 2001-11-15 2007-06-27 松下电器产业株式会社 错误隐蔽装置和方法
US20030101049A1 (en) * 2001-11-26 2003-05-29 Nokia Corporation Method for stealing speech data frames for signalling purposes
US7058565B2 (en) * 2001-12-17 2006-06-06 International Business Machines Corporation Employing speech recognition and key words to improve customer service
US6915246B2 (en) * 2001-12-17 2005-07-05 International Business Machines Corporation Employing speech recognition and capturing customer speech to improve customer service
US6721712B1 (en) * 2002-01-24 2004-04-13 Mindspeed Technologies, Inc. Conversion scheme for use between DTX and non-DTX speech coding systems
FI116258B (fi) 2003-02-14 2005-10-14 Nokia Corp Menetelmä tiedonsiirtokapasiteetin riittävyyden varmistamiseksi, menetelmää hyödyntävä päätelaite sekä ohjelmalliset välineet menetelmän toteuttamiseksi
US8209168B2 (en) * 2004-06-02 2012-06-26 Panasonic Corporation Stereo decoder that conceals a lost frame in one channel using data from another channel
KR100640476B1 (ko) * 2004-11-24 2006-10-30 삼성전자주식회사 비동기식 오디오 스트림 처리 방법 및 장치
US7395202B2 (en) * 2005-06-09 2008-07-01 Motorola, Inc. Method and apparatus to facilitate vocoder erasure processing
JP2007150737A (ja) * 2005-11-28 2007-06-14 Sony Corp 音声信号ノイズ低減装置及び方法
EP1970899A4 (en) * 2005-12-21 2009-05-06 Nec Corp CODE CONVERTING DEVICE, CODE CONVERTING METHOD USED THEREFOR, AND CORRESPONDING PROGRAM
KR101292771B1 (ko) * 2006-11-24 2013-08-16 삼성전자주식회사 오디오 신호의 오류은폐방법 및 장치
CN101226744B (zh) * 2007-01-19 2011-04-13 华为技术有限公司 语音解码器中实现语音解码的方法及装置
GB0703795D0 (en) * 2007-02-27 2007-04-04 Sepura Ltd Speech encoding and decoding in communications systems
US7826872B2 (en) * 2007-02-28 2010-11-02 Sony Ericsson Mobile Communications Ab Audio nickname tag associated with PTT user
CN101321033B (zh) * 2007-06-10 2011-08-10 华为技术有限公司 帧补偿方法及系统
US20090048827A1 (en) * 2007-08-17 2009-02-19 Manoj Kumar Method and system for audio frame estimation
DE602007004504D1 (de) * 2007-10-29 2010-03-11 Harman Becker Automotive Sys Partielle Sprachrekonstruktion
CN100550133C (zh) * 2008-03-20 2009-10-14 华为技术有限公司 一种语音信号处理方法及装置
CN101339767B (zh) * 2008-03-21 2010-05-12 华为技术有限公司 一种背景噪声激励信号的生成方法及装置
KR101788484B1 (ko) * 2013-06-21 2017-10-19 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Ｔｃｘ ｌｔｐ를 이용하여 붕괴되거나 붕괴되지 않은 수신된 프레임들의 재구성을 갖는 오디오 디코딩
US20150023230A1 (en) * 2013-07-19 2015-01-22 Qualcomm Incorporated Dual sim dual active subscriber identification module with a single transmit chain and dual or single receive chain
EP3176781A4 (en) * 2014-07-28 2017-12-27 Samsung Electronics Co., Ltd. Method and apparatus for packet loss concealment, and decoding method and apparatus employing same
GB2532041B (en) * 2014-11-06 2019-05-29 Imagination Tech Ltd Comfort noise generation
EP3595278B1 (en) * 2017-03-10 2023-08-09 Bonx Inc. Communication system and mobile communication terminal
US10586540B1 (en) * 2019-06-12 2020-03-10 Sonos, Inc. Network microphone device with command keyword conditioning

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938912A (ja) * 1982-08-27 1984-03-03 Nec Corp Ｐｃｍオ−デイオエラ−補正回路
US4829523A (en) * 1987-11-18 1989-05-09 Zenith Electronics Corporation Error masking in digital signal transmission
JPH02288520A (ja) * 1989-04-28 1990-11-28 Hitachi Ltd 背景音再生機能付き音声符号復号方式
GB2256351B (en) * 1991-05-25 1995-07-05 Motorola Inc Enhancement of echo return loss
JP3167385B2 (ja) * 1991-10-28 2001-05-21 日本電信電話株式会社 音声信号伝送方法
US5309443A (en) * 1992-06-04 1994-05-03 Motorola, Inc. Dynamic muting method for ADPCM coded speech
CA2110090C (en) * 1992-11-27 1998-09-15 Toshihiro Hayata Voice encoder
SE502244C2 (sv) * 1993-06-11 1995-09-25 Ericsson Telefon Ab L M Sätt och anordning för avkodning av ljudsignaler i ett system för mobilradiokommunikation
US5491719A (en) * 1993-07-02 1996-02-13 Telefonaktiebolaget Lm Ericsson System for handling data errors on a cellular communications system PCM link
US5485522A (en) * 1993-09-29 1996-01-16 Ericsson Ge Mobile Communications, Inc. System for adaptively reducing noise in speech signals
FR2718589B1 (fr) * 1994-04-11 1996-05-31 Alcatel Mobile Comm France Dispositif de traitement en réception, notamment pour système de radiocommunication numérique avec des mobiles.
US5699485A (en) * 1995-06-07 1997-12-16 Lucent Technologies Inc. Pitch delay modification during frame erasures

Also Published As

Publication number Publication date
US6055497A (en) 2000-04-25
EP0819302B1 (en) 2002-06-05
DE69621613T2 (de) 2003-01-30
WO1996028809A1 (en) 1996-09-19
EP0819302A1 (en) 1998-01-21
AU5018196A (en) 1996-10-02
SE9500858D0 (sv) 1995-03-10
DE69621613D1 (de) 2002-07-11

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