ATE279004T1 - Verfahren zur kodierung, dekodierung und transkodierung eines audiosignals - Google Patents

Verfahren zur kodierung, dekodierung und transkodierung eines audiosignals

Info

Publication number
ATE279004T1
ATE279004T1 AT00400714T AT00400714T ATE279004T1 AT E279004 T1 ATE279004 T1 AT E279004T1 AT 00400714 T AT00400714 T AT 00400714T AT 00400714 T AT00400714 T AT 00400714T AT E279004 T1 ATE279004 T1 AT E279004T1
Authority
AT
Austria
Prior art keywords
audio signal
decoding
transcoding
encoding
quantifier
Prior art date
Application number
AT00400714T
Other languages
English (en)
Inventor
Carlo Murgia
Gael Richard
Philip Lockwood
Original Assignee
Nortel Networks France
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 Nortel Networks France filed Critical Nortel Networks France
Application granted granted Critical
Publication of ATE279004T1 publication Critical patent/ATE279004T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT00400714T 1999-03-17 2000-03-15 Verfahren zur kodierung, dekodierung und transkodierung eines audiosignals ATE279004T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9903323A FR2791167B1 (fr) 1999-03-17 1999-03-17 Procedes de codage, de decodage et de transcodage audio

Publications (1)

Publication Number Publication Date
ATE279004T1 true ATE279004T1 (de) 2004-10-15

Family

ID=9543318

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00400714T ATE279004T1 (de) 1999-03-17 2000-03-15 Verfahren zur kodierung, dekodierung und transkodierung eines audiosignals

Country Status (6)

Country Link
US (1) US6606600B1 (de)
EP (1) EP1037196B1 (de)
AT (1) ATE279004T1 (de)
CA (1) CA2300647A1 (de)
DE (1) DE60014476D1 (de)
FR (1) FR2791167B1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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KR20070058022A (ko) * 2000-04-26 2007-06-07 에자이 알앤드디 매니지먼트 가부시키가이샤 배변을 촉진하는 의약 조성물
US6836804B1 (en) * 2000-10-30 2004-12-28 Cisco Technology, Inc. VoIP network
DE10102159C2 (de) * 2001-01-18 2002-12-12 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erzeugen bzw. Decodieren eines skalierbaren Datenstroms unter Berücksichtigung einer Bitsparkasse, Codierer und skalierbarer Codierer
CN100395817C (zh) 2001-11-14 2008-06-18 松下电器产业株式会社 编码设备、解码设备和解码方法
FR2852172A1 (fr) 2003-03-04 2004-09-10 France Telecom Procede et dispositif de reconstruction spectrale d'un signal audio
KR100917464B1 (ko) * 2003-03-07 2009-09-14 삼성전자주식회사 대역 확장 기법을 이용한 디지털 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치
KR100656788B1 (ko) * 2004-11-26 2006-12-12 한국전자통신연구원 비트율 신축성을 갖는 코드벡터 생성 방법 및 그를 이용한 광대역 보코더
KR100754389B1 (ko) * 2005-09-29 2007-08-31 삼성전자주식회사 음성 및 오디오 신호 부호화 장치 및 방법
US8335684B2 (en) * 2006-07-12 2012-12-18 Broadcom Corporation Interchangeable noise feedback coding and code excited linear prediction encoders
JP5355387B2 (ja) * 2007-03-30 2013-11-27 パナソニック株式会社 符号化装置および符号化方法
CN100583649C (zh) * 2007-07-23 2010-01-20 华为技术有限公司 矢量编/解码方法、装置及流媒体播放器
US8457958B2 (en) * 2007-11-09 2013-06-04 Microsoft Corporation Audio transcoder using encoder-generated side information to transcode to target bit-rate
WO2012093290A1 (en) * 2011-01-05 2012-07-12 Nokia Corporation Multi-channel encoding and/or decoding
JP6197347B2 (ja) * 2013-04-24 2017-09-20 セイコーエプソン株式会社 電子機器及び物理量検出装置
US9812150B2 (en) 2013-08-28 2017-11-07 Accusonus, Inc. Methods and systems for improved signal decomposition
US10468036B2 (en) 2014-04-30 2019-11-05 Accusonus, Inc. Methods and systems for processing and mixing signals using signal decomposition

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4790016A (en) * 1985-11-14 1988-12-06 Gte Laboratories Incorporated Adaptive method and apparatus for coding speech
JPH08328599A (ja) * 1995-06-01 1996-12-13 Mitsubishi Electric Corp Ｍｐｅｇオーディオ復号器
DE19537338C2 (de) * 1995-10-06 2003-05-22 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren von Audiosignalen
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
DE19706516C1 (de) * 1997-02-19 1998-01-15 Fraunhofer Ges Forschung Verfahren und Vorricntungen zum Codieren von diskreten Signalen bzw. zum Decodieren von codierten diskreten Signalen
FR2766032B1 (fr) * 1997-07-10 1999-09-17 Matra Communication Codeur audio
KR100335609B1 (ko) * 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
KR100304092B1 (ko) * 1998-03-11 2001-09-26 마츠시타 덴끼 산교 가부시키가이샤 오디오 신호 부호화 장치, 오디오 신호 복호화 장치 및 오디오 신호 부호화/복호화 장치
US6369722B1 (en) * 2000-03-17 2002-04-09 Matra Nortel Communications Coding, decoding and transcoding methods

Also Published As

Publication number Publication date
DE60014476D1 (de) 2004-11-11
CA2300647A1 (fr) 2000-09-17
FR2791167B1 (fr) 2003-01-10
FR2791167A1 (fr) 2000-09-22
EP1037196B1 (de) 2004-10-06
EP1037196A1 (de) 2000-09-20
US6606600B1 (en) 2003-08-12

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