ATE448539T1 - Audiokodierungsvorrichtung und audiokodierungsmethode - Google Patents

Audiokodierungsvorrichtung und audiokodierungsmethode

Info

Publication number
ATE448539T1
ATE448539T1 AT05819447T AT05819447T ATE448539T1 AT E448539 T1 ATE448539 T1 AT E448539T1 AT 05819447 T AT05819447 T AT 05819447T AT 05819447 T AT05819447 T AT 05819447T AT E448539 T1 ATE448539 T1 AT E448539T1
Authority
AT
Austria
Prior art keywords
signal
prediction parameter
monaural
audio coding
channel audio
Prior art date
Application number
AT05819447T
Other languages
English (en)
Inventor
Koji Yoshida
Michiyo Goto
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of ATE448539T1 publication Critical patent/ATE448539T1/de

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT05819447T 2004-12-28 2005-12-26 Audiokodierungsvorrichtung und audiokodierungsmethode ATE448539T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004380980 2004-12-28
JP2005157808 2005-05-30
PCT/JP2005/023809 WO2006070757A1 (ja) 2004-12-28 2005-12-26 音声符号化装置および音声符号化方法

Publications (1)

Publication Number Publication Date
ATE448539T1 true ATE448539T1 (de) 2009-11-15

Family

ID=36614874

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05819447T ATE448539T1 (de) 2004-12-28 2005-12-26 Audiokodierungsvorrichtung und audiokodierungsmethode

Country Status (8)

Country Link
US (1) US7797162B2 (de)
EP (2) EP1821287B1 (de)
JP (1) JP5046653B2 (de)
KR (1) KR20070090219A (de)
CN (1) CN101091206B (de)
AT (1) ATE448539T1 (de)
DE (1) DE602005017660D1 (de)
WO (1) WO2006070757A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006104017A1 (ja) * 2005-03-25 2006-10-05 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
KR20080049085A (ko) 2005-09-30 2008-06-03 마츠시타 덴끼 산교 가부시키가이샤 음성 부호화 장치 및 음성 부호화 방법
JPWO2007043643A1 (ja) * 2005-10-14 2009-04-16 パナソニック株式会社 音声符号化装置、音声復号装置、音声符号化方法、及び音声復号化方法
US8112286B2 (en) * 2005-10-31 2012-02-07 Panasonic Corporation Stereo encoding device, and stereo signal predicting method
WO2007116809A1 (ja) * 2006-03-31 2007-10-18 Matsushita Electric Industrial Co., Ltd. ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法
WO2008007700A1 (en) 2006-07-12 2008-01-17 Panasonic Corporation Sound decoding device, sound encoding device, and lost frame compensation method
JPWO2008016098A1 (ja) * 2006-08-04 2009-12-24 パナソニック株式会社 ステレオ音声符号化装置、ステレオ音声復号装置およびこれらの方法
US8150702B2 (en) * 2006-08-04 2012-04-03 Panasonic Corporation Stereo audio encoding device, stereo audio decoding device, and method thereof
WO2008090970A1 (ja) * 2007-01-26 2008-07-31 Panasonic Corporation 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
KR101453732B1 (ko) * 2007-04-16 2014-10-24 삼성전자주식회사 스테레오 신호 및 멀티 채널 신호 부호화 및 복호화 방법및 장치
JPWO2008132850A1 (ja) * 2007-04-25 2010-07-22 パナソニック株式会社 ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法
GB2453117B (en) 2007-09-25 2012-05-23 Motorola Mobility Inc Apparatus and method for encoding a multi channel audio signal
JPWO2009142017A1 (ja) * 2008-05-22 2011-09-29 パナソニック株式会社 ステレオ信号変換装置、ステレオ信号逆変換装置およびこれらの方法
RU2486609C2 (ru) * 2008-06-19 2013-06-27 Панасоник Корпорейшн Квантователь, кодер и их способы
WO2010016270A1 (ja) * 2008-08-08 2010-02-11 パナソニック株式会社 量子化装置、符号化装置、量子化方法及び符号化方法
US8817992B2 (en) 2008-08-11 2014-08-26 Nokia Corporation Multichannel audio coder and decoder
CN102292769B (zh) * 2009-02-13 2012-12-19 华为技术有限公司 一种立体声编码方法和装置
JP5340378B2 (ja) 2009-02-26 2013-11-13 パナソニック株式会社 チャネル信号生成装置、音響信号符号化装置、音響信号復号装置、音響信号符号化方法及び音響信号復号方法
US8666752B2 (en) * 2009-03-18 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel signal
CN102157150B (zh) 2010-02-12 2012-08-08 华为技术有限公司 立体声解码方法及装置
CN102157152B (zh) 2010-02-12 2014-04-30 华为技术有限公司 立体声编码的方法、装置
CN104781877A (zh) * 2012-10-31 2015-07-15 株式会社索思未来 音频信号编码装置以及音频信号解码装置
CN109215667B (zh) 2017-06-29 2020-12-22 华为技术有限公司 时延估计方法及装置

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
JPH04324727A (ja) 1991-04-24 1992-11-13 Fujitsu Ltd ステレオ符号化伝送方式
DE19721487A1 (de) * 1997-05-23 1998-11-26 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Fehlerverschleierung bei Mehrkanaltonsignalen
DE19742655C2 (de) * 1997-09-26 1999-08-05 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals
SE519981C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
ES2323294T3 (es) * 2002-04-22 2009-07-10 Koninklijke Philips Electronics N.V. Dispositivo de decodificacion con una unidad de decorrelacion.
JP4714415B2 (ja) * 2002-04-22 2011-06-29 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ パラメータによるマルチチャンネルオーディオ表示
KR101049751B1 (ko) * 2003-02-11 2011-07-19 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
WO2004084185A1 (en) 2003-03-17 2004-09-30 Koninklijke Philips Electronics N.V. Processing of multi-channel signals
JP2004325633A (ja) 2003-04-23 2004-11-18 Matsushita Electric Ind Co Ltd 信号符号化方法、信号符号化プログラム及びその記録媒体
JP4324727B2 (ja) 2003-06-20 2009-09-02 カシオ計算機株式会社 撮影モードの設定情報転送システム
JP2005157808A (ja) 2003-11-26 2005-06-16 Star Micronics Co Ltd カード保管装置

Also Published As

Publication number Publication date
US20080091419A1 (en) 2008-04-17
CN101091206A (zh) 2007-12-19
WO2006070757A1 (ja) 2006-07-06
EP1821287A1 (de) 2007-08-22
JPWO2006070757A1 (ja) 2008-06-12
JP5046653B2 (ja) 2012-10-10
CN101091206B (zh) 2011-06-01
KR20070090219A (ko) 2007-09-05
EP1821287A4 (de) 2008-03-12
EP2138999A1 (de) 2009-12-30
DE602005017660D1 (de) 2009-12-24
US7797162B2 (en) 2010-09-14
EP1821287B1 (de) 2009-11-11

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