CN1154086C - Celp转发 - Google Patents

Celp转发 Download PDF

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Publication number
CN1154086C
CN1154086C CNB008036411A CN00803641A CN1154086C CN 1154086 C CN1154086 C CN 1154086C CN B008036411 A CNB008036411 A CN B008036411A CN 00803641 A CN00803641 A CN 00803641A CN 1154086 C CN1154086 C CN 1154086C
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CN
China
Prior art keywords
input
celp format
output
format
celp
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Expired - Fee Related
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CNB008036411A
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English (en)
Chinese (zh)
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CN1347550A (zh
Inventor
A��P�����ſ�
A·P·德雅科
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Qualcomm Inc
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Qualcomm Inc
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Publication of CN1347550A publication Critical patent/CN1347550A/zh
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Publication of CN1154086C publication Critical patent/CN1154086C/zh
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    • 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

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  • 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)
CNB008036411A 1999-02-12 2000-02-14 Celp转发 Expired - Fee Related CN1154086C (zh)

Applications Claiming Priority (2)

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
US09/249,060 1999-02-12

Publications (2)

Publication Number Publication Date
CN1347550A CN1347550A (zh) 2002-05-01
CN1154086C true CN1154086C (zh) 2004-06-16

Family

ID=22941896

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008036411A Expired - Fee Related CN1154086C (zh) 1999-02-12 2000-02-14 Celp转发

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)

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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
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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
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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

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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
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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
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Also Published As

Publication number Publication date
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
DE60011051T2 (de) 2005-06-02
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

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