DE60011051D1 - Celp-transkodierung - Google Patents

Celp-transkodierung

Info

Publication number
DE60011051D1
DE60011051D1 DE60011051T DE60011051T DE60011051D1 DE 60011051 D1 DE60011051 D1 DE 60011051D1 DE 60011051 T DE60011051 T DE 60011051T DE 60011051 T DE60011051 T DE 60011051T DE 60011051 D1 DE60011051 D1 DE 60011051D1
Authority
DE
Germany
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.)
Expired - Lifetime
Application number
DE60011051T
Other languages
English (en)
Other versions
DE60011051T2 (de
Inventor
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
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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
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 true DE60011051D1 (de) 2004-07-01
DE60011051T2 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 (de)
EP (1) EP1157375B1 (de)
JP (1) JP4550289B2 (de)
KR (2) KR100769508B1 (de)
CN (1) CN1154086C (de)
AT (1) ATE268045T1 (de)
AU (1) AU3232600A (de)
DE (1) DE60011051T2 (de)
HK (1) HK1042979B (de)
WO (1) WO2000048170A1 (de)

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US20030028386A1 (en) * 2001-04-02 2003-02-06 Zinser Richard L. Compressed domain universal transcoder
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JP4518714B2 (ja) * 2001-08-31 2010-08-04 富士通株式会社 音声符号変換方法
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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
KR20040095205A (ko) * 2002-01-08 2004-11-12 딜리시움 네트웍스 피티와이 리미티드 Ｃｅｌｐ를 기반으로 하는 음성 코드간 변환코딩 방식
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
KR100837451B1 (ko) * 2003-01-09 2008-06-12 딜리시움 네트웍스 피티와이 리미티드 향상된 품질의 음성 변환부호화를 위한 방법 및 장치
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
EP1955321A2 (de) 2005-11-30 2008-08-13 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Effiziente sprach-strom-umsetzung
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 (de) * 2006-09-20 2008-03-26 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur Transkodierung von Tonsignalen
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
JP5602769B2 (ja) 2010-01-14 2014-10-08 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
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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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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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
EP1157375A1 (de) 2001-11-28
KR100873836B1 (ko) 2008-12-15
HK1042979A1 (en) 2002-08-30
CN1347550A (zh) 2002-05-01
KR20070086726A (ko) 2007-08-27
KR20010102004A (ko) 2001-11-15
US20010016817A1 (en) 2001-08-23
ATE268045T1 (de) 2004-06-15
KR100769508B1 (ko) 2007-10-23
AU3232600A (en) 2000-08-29
JP2002541499A (ja) 2002-12-03
JP4550289B2 (ja) 2010-09-22
DE60011051T2 (de) 2005-06-02
US6260009B1 (en) 2001-07-10
CN1154086C (zh) 2004-06-16
WO2000048170A9 (en) 2001-09-07
HK1042979B (zh) 2005-03-24
WO2000048170A1 (en) 2000-08-17
EP1157375B1 (de) 2004-05-26

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