DE60011051T2 - Celp-transkodierung - Google Patents

Celp-transkodierung Download PDF

Info

Publication number
DE60011051T2
DE60011051T2 DE60011051T DE60011051T DE60011051T2 DE 60011051 T2 DE60011051 T2 DE 60011051T2 DE 60011051 T DE60011051 T DE 60011051T DE 60011051 T DE60011051 T DE 60011051T DE 60011051 T2 DE60011051 T2 DE 60011051T2
Authority
DE
Germany
Prior art keywords
input
output
celp format
celp
format
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
DE60011051T
Other languages
German (de)
English (en)
Other versions
DE60011051D1 (de
Inventor
P. Andrew DEJACO
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE60011051D1 publication Critical patent/DE60011051D1/de
Publication of DE60011051T2 publication Critical patent/DE60011051T2/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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Steroid Compounds (AREA)
  • Cephalosporin Compounds (AREA)
DE60011051T 1999-02-12 2000-02-14 Celp-transkodierung Expired - Lifetime DE60011051T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/249,060 US6260009B1 (en) 1999-02-12 1999-02-12 CELP-based to CELP-based vocoder packet translation
US249060 1999-02-12
PCT/US2000/003855 WO2000048170A1 (en) 1999-02-12 2000-02-14 Celp transcoding

Publications (2)

Publication Number Publication Date
DE60011051D1 DE60011051D1 (de) 2004-07-01
DE60011051T2 true DE60011051T2 (de) 2005-06-02

Family

ID=22941896

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60011051T Expired - Lifetime DE60011051T2 (de) 1999-02-12 2000-02-14 Celp-transkodierung

Country Status (10)

Country Link
US (2) US6260009B1 (enExample)
EP (1) EP1157375B1 (enExample)
JP (1) JP4550289B2 (enExample)
KR (2) KR100769508B1 (enExample)
CN (1) CN1154086C (enExample)
AT (1) ATE268045T1 (enExample)
AU (1) AU3232600A (enExample)
DE (1) DE60011051T2 (enExample)
HK (1) HK1042979B (enExample)
WO (1) WO2000048170A1 (enExample)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6182033B1 (en) * 1998-01-09 2001-01-30 At&T Corp. Modular approach to speech enhancement with an application to speech coding
US7392180B1 (en) * 1998-01-09 2008-06-24 At&T Corp. System and method of coding sound signals using sound enhancement
US7283961B2 (en) * 2000-08-09 2007-10-16 Sony Corporation High-quality speech synthesis device and method by classification and prediction processing of synthesized sound
DE60140020D1 (de) 2000-08-09 2009-11-05 Sony Corp Sprachdatenverarbeitungsvorrichtung und -verarbeitungsverfahren
JP2002202799A (ja) 2000-10-30 2002-07-19 Fujitsu Ltd 音声符号変換装置
JP2002229599A (ja) * 2001-02-02 2002-08-16 Nec Corp 音声符号列の変換装置および変換方法
JP2002268697A (ja) * 2001-03-13 2002-09-20 Nec Corp パケット誤り耐性付き音声復号装置、音声符号化復号装置、及びその方法
US20030028386A1 (en) * 2001-04-02 2003-02-06 Zinser Richard L. Compressed domain universal transcoder
US20030195745A1 (en) * 2001-04-02 2003-10-16 Zinser, Richard L. LPC-to-MELP transcoder
US7526572B2 (en) * 2001-07-12 2009-04-28 Research In Motion Limited System and method for providing remote data access for a mobile communication device
JP4518714B2 (ja) * 2001-08-31 2010-08-04 富士通株式会社 音声符号変換方法
KR100460109B1 (ko) * 2001-09-19 2004-12-03 엘지전자 주식회사 음성패킷 변환을 위한 ｌｓｐ 파라미터 변환장치 및 방법
JP4108317B2 (ja) 2001-11-13 2008-06-25 日本電気株式会社 符号変換方法及び装置とプログラム並びに記憶媒体
US6829579B2 (en) 2002-01-08 2004-12-07 Dilithium Networks, Inc. Transcoding method and system between CELP-based speech codes
CN100527225C (zh) * 2002-01-08 2009-08-12 迪里辛姆网络控股有限公司 基于celp的语音代码之间的代码转换方案
US6950799B2 (en) 2002-02-19 2005-09-27 Qualcomm Inc. Speech converter utilizing preprogrammed voice profiles
AU2003214182A1 (en) * 2002-03-12 2003-09-29 Dilithium Networks Pty Limited Method for adaptive codebook pitch-lag computation in audio transcoders
AU2003217859A1 (en) * 2002-05-13 2003-12-02 Conexant Systems, Inc. Transcoding of speech in a packet network environment
JP4304360B2 (ja) 2002-05-22 2009-07-29 日本電気株式会社 音声符号化復号方式間の符号変換方法および装置とその記憶媒体
CA2392640A1 (en) * 2002-07-05 2004-01-05 Voiceage Corporation A method and device for efficient in-based dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems
JP2004061646A (ja) * 2002-07-25 2004-02-26 Fujitsu Ltd Ｔｆｏ機能を有する音声符号化器および方法
JP2004069963A (ja) * 2002-08-06 2004-03-04 Fujitsu Ltd 音声符号変換装置及び音声符号化装置
JP2004151123A (ja) * 2002-10-23 2004-05-27 Nec Corp 符号変換方法、符号変換装置、プログラム及びその記憶媒体
JP4438280B2 (ja) * 2002-10-31 2010-03-24 日本電気株式会社 トランスコーダ及び符号変換方法
US7486719B2 (en) 2002-10-31 2009-02-03 Nec Corporation Transcoder and code conversion method
KR100499047B1 (ko) * 2002-11-25 2005-07-04 한국전자통신연구원 서로 다른 대역폭을 갖는 켈프 방식 코덱들 간의 상호부호화 장치 및 그 방법
KR100503415B1 (ko) * 2002-12-09 2005-07-22 한국전자통신연구원 대역폭 확장을 이용한 ｃｅｌｐ 방식 코덱간의 상호부호화 장치 및 그 방법
EP1579427A4 (en) * 2003-01-09 2007-05-16 Dilithium Networks Pty Ltd METHOD AND APPARATUS FOR IMPROVING THE QUALITY OF VOICE TRANSCODING
WO2004090870A1 (ja) * 2003-04-04 2004-10-21 Kabushiki Kaisha Toshiba 広帯域音声を符号化または復号化するための方法及び装置
KR100554164B1 (ko) * 2003-07-11 2006-02-22 학교법인연세대학교 서로 다른 ｃｅｌｐ 방식의 음성 코덱 간의 상호부호화장치 및 그 방법
FR2867649A1 (fr) * 2003-12-10 2005-09-16 France Telecom Procede de codage multiple optimise
US20050258983A1 (en) * 2004-05-11 2005-11-24 Dilithium Holdings Pty Ltd. (An Australian Corporation) Method and apparatus for voice trans-rating in multi-rate voice coders for telecommunications
FR2880724A1 (fr) * 2005-01-11 2006-07-14 France Telecom Procede et dispositif de codage optimise entre deux modeles de prediction a long terme
KR100703325B1 (ko) * 2005-01-14 2007-04-03 삼성전자주식회사 음성패킷 전송율 변환 장치 및 방법
KR100640468B1 (ko) * 2005-01-25 2006-10-31 삼성전자주식회사 디지털 통신 시스템에서 음성 패킷의 전송과 처리 장치 및방법
US8447592B2 (en) * 2005-09-13 2013-05-21 Nuance Communications, Inc. Methods and apparatus for formant-based voice systems
US8543388B2 (en) 2005-11-30 2013-09-24 Telefonaktiebolaget Lm Ericsson (Publ) Efficient speech stream conversion
US7831420B2 (en) * 2006-04-04 2010-11-09 Qualcomm Incorporated Voice modifier for speech processing systems
US7805292B2 (en) * 2006-04-21 2010-09-28 Dilithium Holdings, Inc. Method and apparatus for audio transcoding
US7876959B2 (en) * 2006-09-06 2011-01-25 Sharp Laboratories Of America, Inc. Methods and systems for identifying text in digital images
EP1903559A1 (en) * 2006-09-20 2008-03-26 Deutsche Thomson-Brandt Gmbh Method and device for transcoding audio signals
US8279889B2 (en) * 2007-01-04 2012-10-02 Qualcomm Incorporated Systems and methods for dimming a first packet associated with a first bit rate to a second packet associated with a second bit rate
CN102714040A (zh) * 2010-01-14 2012-10-03 松下电器产业株式会社 编码装置、解码装置、频谱变动量计算方法和频谱振幅调整方法
US10269375B2 (en) * 2016-04-22 2019-04-23 Conduent Business Services, Llc Methods and systems for classifying audio segments of an audio signal
CN111901384B (zh) * 2020-06-29 2023-10-24 成都质数斯达克科技有限公司 处理报文的系统、方法、电子设备以及可读存储介质

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE138073C (enExample) *
JPS61180299A (ja) * 1985-02-06 1986-08-12 日本電気株式会社 コ−デツク変換装置
DE69233397T2 (de) 1991-06-11 2005-08-11 Qualcomm, Inc., San Diego Vorrichtung und Methode zur Maskierung von Fehlern in Datenrahmen
FR2700087B1 (fr) * 1992-12-30 1995-02-10 Alcatel Radiotelephone Procédé de positionnement adaptatif d'un codeur/décodeur de parole au sein d'une infrastructure de communication.
JPH08146997A (ja) 1994-11-21 1996-06-07 Hitachi Ltd 符号変換装置および符号変換システム
JP3747492B2 (ja) 1995-06-20 2006-02-22 ソニー株式会社 音声信号の再生方法及び再生装置
US6014622A (en) * 1996-09-26 2000-01-11 Rockwell Semiconductor Systems, Inc. Low bit rate speech coder using adaptive open-loop subframe pitch lag estimation and vector quantization
US5995923A (en) * 1997-06-26 1999-11-30 Nortel Networks Corporation Method and apparatus for improving the voice quality of tandemed vocoders
JP4132154B2 (ja) 1997-10-23 2008-08-13 ソニー株式会社 音声合成方法及び装置、並びに帯域幅拡張方法及び装置

Also Published As

Publication number Publication date
CN1154086C (zh) 2004-06-16
HK1042979A1 (en) 2002-08-30
KR20070086726A (ko) 2007-08-27
KR100873836B1 (ko) 2008-12-15
EP1157375A1 (en) 2001-11-28
WO2000048170A1 (en) 2000-08-17
WO2000048170A9 (en) 2001-09-07
US6260009B1 (en) 2001-07-10
KR20010102004A (ko) 2001-11-15
KR100769508B1 (ko) 2007-10-23
EP1157375B1 (en) 2004-05-26
AU3232600A (en) 2000-08-29
JP4550289B2 (ja) 2010-09-22
ATE268045T1 (de) 2004-06-15
DE60011051D1 (de) 2004-07-01
HK1042979B (zh) 2005-03-24
CN1347550A (zh) 2002-05-01
US20010016817A1 (en) 2001-08-23
JP2002541499A (ja) 2002-12-03

Similar Documents

Publication Publication Date Title
DE60011051T2 (de) Celp-transkodierung
DE60121405T2 (de) Transkodierer zur Vermeidung einer Kaskadenkodierung von Sprachsignalen
DE69916321T2 (de) Kodierung eines verbesserungsmerkmals zur leistungsverbesserung in der kodierung von kommunikationssignalen
DE69634645T2 (de) Verfahren und Vorrichtung zur Sprachkodierung
DE69910058T2 (de) Verbesserung der periodizität eines breitbandsignals
DE60029990T2 (de) Glättung des verstärkungsfaktors in breitbandsprach- und audio-signal dekodierer
DE60128677T2 (de) Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen
DE69900786T2 (de) Sprachkodierung
DE69023402T2 (de) Verfahren zur Sprachkodierung und -dekodierung.
DE60120766T2 (de) Indizieren von impulspositionen und vorzeichen in algebraischen codebüchern zur codierung von breitbandsignalen
DE60024123T2 (de) Lpc-harmonischer sprachkodierer mit überrahmenformat
DE60133757T2 (de) Verfahren und vorrichtung zur kodierung von stimmloser sprache
DE60012760T2 (de) Multimodaler sprachkodierer
DE69928288T2 (de) Kodierung periodischer sprache
DE602004007786T2 (de) Verfahren und vorrichtung zur quantisierung des verstärkungsfaktors in einem breitbandsprachkodierer mit variabler bitrate
DE69816810T2 (de) Systeme und verfahren zur audio-kodierung
DE69934608T2 (de) Adaptive kompensation der spektralen verzerrung eines synthetisierten sprachresiduums
DE68912692T2 (de) Zur Sprachqualitätsmodifizierung geeignetes Übertragungssystem durch Klassifizierung der Sprachsignale.
DE69625874T2 (de) Verfahren und Vorrichtung zur Wiedergabe von Sprachsignalen, zur Dekodierung, zur Sprachsynthese und tragbares Funkendgerät
DE60124274T2 (de) Codebuchstruktur und suchverfahren für die sprachkodierung
DE60006271T2 (de) Celp sprachkodierung mit variabler bitrate mittels phonetischer klassifizierung
DE69621393T2 (de) Quantisierung von Sprachsignalen in prädiktiven Kodiersystemen unter Verwendung von Modellen menschlichen Hörens
DE69924280T2 (de) Sprachsynthese aus grundfrequenz-prototypwellenformen durch zeit-synchrone wellenforminterpolation
DE19647298C2 (de) Kodiersystem
DE69132885T2 (de) CELP-Kodierung niedriger Verzögerung und 32 kbit/s für ein Breitband-Sprachsignal

Legal Events

Date Code Title Description
8364 No opposition during term of opposition