SE519985C2 - Kodning och avkodning av signaler från flera kanaler - Google Patents

Kodning och avkodning av signaler från flera kanaler

Info

Publication number
SE519985C2
SE519985C2 SE0003287A SE0003287A SE519985C2 SE 519985 C2 SE519985 C2 SE 519985C2 SE 0003287 A SE0003287 A SE 0003287A SE 0003287 A SE0003287 A SE 0003287A SE 519985 C2 SE519985 C2 SE 519985C2
Authority
SE
Sweden
Prior art keywords
channel
inter
channels
correlation
subsequent
Prior art date
Application number
SE0003287A
Other languages
English (en)
Swedish (sv)
Other versions
SE0003287L (sv
SE0003287D0 (sv
Inventor
Tor Bjoern Minde
Tomas Lundberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0003287A priority Critical patent/SE519985C2/sv
Publication of SE0003287D0 publication Critical patent/SE0003287D0/xx
Priority to JP2002527493A priority patent/JP4498677B2/ja
Priority to DE60127566T priority patent/DE60127566T2/de
Priority to EP01965791A priority patent/EP1325495B1/en
Priority to AU2001286350A priority patent/AU2001286350A1/en
Priority to PCT/SE2001/001886 priority patent/WO2002023529A1/en
Priority to US10/380,419 priority patent/US7263480B2/en
Priority to AT01965791T priority patent/ATE358317T1/de
Publication of SE0003287L publication Critical patent/SE0003287L/xx
Publication of SE519985C2 publication Critical patent/SE519985C2/sv

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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SE0003287A 2000-09-15 2000-09-15 Kodning och avkodning av signaler från flera kanaler SE519985C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE0003287A SE519985C2 (sv) 2000-09-15 2000-09-15 Kodning och avkodning av signaler från flera kanaler
JP2002527493A JP4498677B2 (ja) 2000-09-15 2001-09-05 複数チャネル信号の符号化及び復号化
DE60127566T DE60127566T2 (de) 2000-09-15 2001-09-05 Mehrkanal-signalcodierung und -decodierung
EP01965791A EP1325495B1 (en) 2000-09-15 2001-09-05 Multi-channel signal encoding and decoding
AU2001286350A AU2001286350A1 (en) 2000-09-15 2001-09-05 Multi-channel signal encoding and decoding
PCT/SE2001/001886 WO2002023529A1 (en) 2000-09-15 2001-09-05 Multi-channel signal encoding and decoding
US10/380,419 US7263480B2 (en) 2000-09-15 2001-09-05 Multi-channel signal encoding and decoding
AT01965791T ATE358317T1 (de) 2000-09-15 2001-09-05 Mehrkanal-signalcodierung und -decodierung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0003287A SE519985C2 (sv) 2000-09-15 2000-09-15 Kodning och avkodning av signaler från flera kanaler

Publications (3)

Publication Number Publication Date
SE0003287D0 SE0003287D0 (sv) 2000-09-15
SE0003287L SE0003287L (sv) 2002-03-16
SE519985C2 true SE519985C2 (sv) 2003-05-06

Family

ID=20281034

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0003287A SE519985C2 (sv) 2000-09-15 2000-09-15 Kodning och avkodning av signaler från flera kanaler

Country Status (8)

Country Link
US (1) US7263480B2 (ja)
EP (1) EP1325495B1 (ja)
JP (1) JP4498677B2 (ja)
AT (1) ATE358317T1 (ja)
AU (1) AU2001286350A1 (ja)
DE (1) DE60127566T2 (ja)
SE (1) SE519985C2 (ja)
WO (1) WO2002023529A1 (ja)

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JP3273599B2 (ja) * 1998-06-19 2002-04-08 沖電気工業株式会社 音声符号化レート選択器と音声符号化装置
SE519976C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
FI121583B (fi) * 2002-07-05 2011-01-14 Syslore Oy Symbolijonon etsintä
WO2006000952A1 (en) * 2004-06-21 2006-01-05 Koninklijke Philips Electronics N.V. Method and apparatus to encode and decode multi-channel audio signals
WO2006009075A1 (ja) * 2004-07-20 2006-01-26 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
US7630396B2 (en) * 2004-08-26 2009-12-08 Panasonic Corporation Multichannel signal coding equipment and multichannel signal decoding equipment
BRPI0516201A (pt) * 2004-09-28 2008-08-26 Matsushita Electric Ind Co Ltd aparelho de codificação escalonável e método de codificação escalonável
CN101031960A (zh) 2004-09-30 2007-09-05 松下电器产业株式会社 可扩展性编码装置和可扩展性解码装置及其方法
WO2006059567A1 (ja) 2004-11-30 2006-06-08 Matsushita Electric Industrial Co., Ltd. ステレオ符号化装置、ステレオ復号装置、およびこれらの方法
CN101091208B (zh) 2004-12-27 2011-07-13 松下电器产业株式会社 语音编码装置和语音编码方法
US20080162148A1 (en) * 2004-12-28 2008-07-03 Matsushita Electric Industrial Co., Ltd. Scalable Encoding Apparatus And Scalable Encoding Method
JP4887282B2 (ja) 2005-02-10 2012-02-29 パナソニック株式会社 音声符号化におけるパルス割当方法
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
US9626973B2 (en) 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
JP4809370B2 (ja) * 2005-02-23 2011-11-09 テレフオンアクチーボラゲット エル エム エリクソン（パブル） マルチチャネル音声符号化における適応ビット割り当て
US8000967B2 (en) * 2005-03-09 2011-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Low-complexity code excited linear prediction encoding
KR101346120B1 (ko) * 2005-03-30 2014-01-02 코닌클리케 필립스 엔.브이. 오디오 인코딩 및 디코딩
JP4599558B2 (ja) * 2005-04-22 2010-12-15 国立大学法人九州工業大学 ピッチ周期等化装置及びピッチ周期等化方法、並びに音声符号化装置、音声復号装置及び音声符号化方法
DE602006014957D1 (de) * 2005-04-28 2010-07-29 Panasonic Corp Audiocodierungseinrichtung und audiocodierungsverfahren
DE602006011600D1 (de) 2005-04-28 2010-02-25 Panasonic Corp Audiocodierungseinrichtung und audiocodierungsverfahren
FR2916079A1 (fr) * 2007-05-10 2008-11-14 France Telecom Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes
EP2201566B1 (en) * 2007-09-19 2015-11-11 Telefonaktiebolaget LM Ericsson (publ) Joint multi-channel audio encoding/decoding
US8515767B2 (en) * 2007-11-04 2013-08-20 Qualcomm Incorporated Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs
NO2669468T3 (ja) * 2011-05-11 2018-06-02
CN110728986B (zh) * 2018-06-29 2022-10-18 华为技术有限公司 立体声信号的编码方法、解码方法、编码装置和解码装置
GB2580899A (en) * 2019-01-22 2020-08-05 Nokia Technologies Oy Audio representation and associated rendering
CN112233682A (zh) * 2019-06-29 2021-01-15 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置

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JPH0744511B2 (ja) * 1988-09-14 1995-05-15 富士通株式会社 高郊率多重化方式
GB8913758D0 (en) * 1989-06-15 1989-08-02 British Telecomm Polyphonic coding
CA2046369C (en) * 1990-07-05 1997-04-15 Naoji Fujino High performance digitally multiplexed transmission system
JP3622365B2 (ja) * 1996-09-26 2005-02-23 ヤマハ株式会社 音声符号化伝送方式
JP3099876B2 (ja) * 1997-02-05 2000-10-16 日本電信電話株式会社 多チャネル音声信号符号化方法及びその復号方法及びそれを使った符号化装置及び復号化装置
US6345246B1 (en) * 1997-02-05 2002-02-05 Nippon Telegraph And Telephone Corporation Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates
TW384434B (en) * 1997-03-31 2000-03-11 Sony Corp Encoding method, device therefor, decoding method, device therefor and recording medium
JPH1132399A (ja) * 1997-05-13 1999-02-02 Sony Corp 符号化方法及び装置、並びに記録媒体
KR100335611B1 (ko) * 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
SE519552C2 (sv) * 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
TW510830B (en) * 1999-08-10 2002-11-21 Sumitomo Metal Ind Method for treating hazardous material
DE19959156C2 (de) * 1999-12-08 2002-01-31 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals

Also Published As

Publication number Publication date
DE60127566T2 (de) 2007-08-16
EP1325495A1 (en) 2003-07-09
JP4498677B2 (ja) 2010-07-07
SE0003287L (sv) 2002-03-16
DE60127566D1 (de) 2007-05-10
ATE358317T1 (de) 2007-04-15
WO2002023529A1 (en) 2002-03-21
JP2004509367A (ja) 2004-03-25
US7263480B2 (en) 2007-08-28
SE0003287D0 (sv) 2000-09-15
AU2001286350A1 (en) 2002-03-26
US20030191635A1 (en) 2003-10-09
EP1325495B1 (en) 2007-03-28

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