AU3232600A - Celp transcoding - Google Patents

Celp transcoding

Info

Publication number
AU3232600A
AU3232600A AU32326/00A AU3232600A AU3232600A AU 3232600 A AU3232600 A AU 3232600A AU 32326/00 A AU32326/00 A AU 32326/00A AU 3232600 A AU3232600 A AU 3232600A AU 3232600 A AU3232600 A AU 3232600A
Authority
AU
Australia
Prior art keywords
celp
input
celp format
format
time base
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.)
Abandoned
Application number
AU32326/00A
Other languages
English (en)
Inventor
Andrew P 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
Publication of AU3232600A publication Critical patent/AU3232600A/en
Abandoned 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)
  • Steroid Compounds (AREA)
  • Cephalosporin Compounds (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
AU32326/00A 1999-02-12 2000-02-14 Celp transcoding Abandoned AU3232600A (en)

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
US09249060 1999-02-12
PCT/US2000/003855 WO2000048170A1 (en) 1999-02-12 2000-02-14 Celp transcoding

Publications (1)

Publication Number Publication Date
AU3232600A true AU3232600A (en) 2000-08-29

Family

ID=22941896

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32326/00A Abandoned AU3232600A (en) 1999-02-12 2000-02-14 Celp transcoding

Country Status (10)

Country Link
US (2) US6260009B1 (https=)
EP (1) EP1157375B1 (https=)
JP (1) JP4550289B2 (https=)
KR (2) KR100873836B1 (https=)
CN (1) CN1154086C (https=)
AT (1) ATE268045T1 (https=)
AU (1) AU3232600A (https=)
DE (1) DE60011051T2 (https=)
HK (1) HK1042979B (https=)
WO (1) WO2000048170A1 (https=)

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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
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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 DEVICE FOR LANGUAGE TRANSCODING WITH IMPROVED QUALITY
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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
WO2007064256A2 (en) 2005-11-30 2007-06-07 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

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Also Published As

Publication number Publication date
KR20070086726A (ko) 2007-08-27
DE60011051T2 (de) 2005-06-02
US6260009B1 (en) 2001-07-10
DE60011051D1 (de) 2004-07-01
KR100873836B1 (ko) 2008-12-15
JP2002541499A (ja) 2002-12-03
HK1042979A1 (en) 2002-08-30
US20010016817A1 (en) 2001-08-23
CN1154086C (zh) 2004-06-16
EP1157375B1 (en) 2004-05-26
CN1347550A (zh) 2002-05-01
KR100769508B1 (ko) 2007-10-23
HK1042979B (zh) 2005-03-24
EP1157375A1 (en) 2001-11-28
KR20010102004A (ko) 2001-11-15
WO2000048170A1 (en) 2000-08-17
JP4550289B2 (ja) 2010-09-22
ATE268045T1 (de) 2004-06-15
WO2000048170A9 (en) 2001-09-07

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase