ATE448539T1 - Audiokodierungsvorrichtung und audiokodierungsmethode - Google Patents
Audiokodierungsvorrichtung und audiokodierungsmethodeInfo
- 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
Links
- 230000005236 sound signal Effects 0.000 abstract 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 abstract 1
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)
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) | EP2138999A1 (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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4887288B2 (ja) * | 2005-03-25 | 2012-02-29 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
BRPI0616624A2 (pt) | 2005-09-30 | 2011-06-28 | Matsushita Electric Ind Co Ltd | aparelho de codificação de fala e método de codificação de fala |
US7991611B2 (en) * | 2005-10-14 | 2011-08-02 | Panasonic Corporation | Speech encoding apparatus and speech encoding method that encode speech signals in a scalable manner, and speech decoding apparatus and speech decoding method that decode scalable encoded signals |
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 (fr) | 2006-07-12 | 2008-01-17 | Panasonic Corporation | Dispositif de décodage de son, dispositif de codage de son, et procédé de compensation de trame perdue |
US8150702B2 (en) * | 2006-08-04 | 2012-04-03 | Panasonic Corporation | Stereo audio encoding device, stereo audio decoding device, and method thereof |
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 |
US20100100372A1 (en) * | 2007-01-26 | 2010-04-22 | Panasonic Corporation | Stereo encoding device, stereo decoding device, and their method |
KR101453732B1 (ko) * | 2007-04-16 | 2014-10-24 | 삼성전자주식회사 | 스테레오 신호 및 멀티 채널 신호 부호화 및 복호화 방법및 장치 |
WO2008132850A1 (ja) * | 2007-04-25 | 2008-11-06 | Panasonic Corporation | 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 |
EP2293292B1 (de) * | 2008-06-19 | 2013-06-05 | Panasonic Corporation | Vorrichtung zur Quantisierung, Verfahren zur Quantisierung und Vorrichtung zur Codierung |
US20110137661A1 (en) * | 2008-08-08 | 2011-06-09 | Panasonic Corporation | Quantizing device, encoding device, quantizing method, and encoding method |
WO2010017833A1 (en) * | 2008-08-11 | 2010-02-18 | Nokia Corporation | Multichannel audio coder and decoder |
WO2010091555A1 (zh) * | 2009-02-13 | 2010-08-19 | 华为技术有限公司 | 一种立体声编码方法和装置 |
WO2010098120A1 (ja) * | 2009-02-26 | 2010-09-02 | 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)
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. |
US8498422B2 (en) * | 2002-04-22 | 2013-07-30 | Koninklijke Philips N.V. | Parametric multi-channel audio representation |
KR101049751B1 (ko) * | 2003-02-11 | 2011-07-19 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 코딩 |
ES2355240T3 (es) | 2003-03-17 | 2011-03-24 | Koninklijke Philips Electronics N.V. | Procesamiento de señales de múltiples canales. |
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 |
-
2005
- 2005-12-26 DE DE602005017660T patent/DE602005017660D1/de active Active
- 2005-12-26 US US11/722,821 patent/US7797162B2/en active Active
- 2005-12-26 KR KR1020077014866A patent/KR20070090219A/ko not_active Application Discontinuation
- 2005-12-26 AT AT05819447T patent/ATE448539T1/de not_active IP Right Cessation
- 2005-12-26 EP EP09173155A patent/EP2138999A1/de not_active Withdrawn
- 2005-12-26 CN CN2005800450680A patent/CN101091206B/zh not_active Expired - Fee Related
- 2005-12-26 EP EP05819447A patent/EP1821287B1/de not_active Not-in-force
- 2005-12-26 WO PCT/JP2005/023809 patent/WO2006070757A1/ja active Application Filing
- 2005-12-26 JP JP2006550770A patent/JP5046653B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPWO2006070757A1 (ja) | 2008-06-12 |
KR20070090219A (ko) | 2007-09-05 |
JP5046653B2 (ja) | 2012-10-10 |
EP2138999A1 (de) | 2009-12-30 |
EP1821287A4 (de) | 2008-03-12 |
EP1821287B1 (de) | 2009-11-11 |
EP1821287A1 (de) | 2007-08-22 |
WO2006070757A1 (ja) | 2006-07-06 |
US7797162B2 (en) | 2010-09-14 |
CN101091206B (zh) | 2011-06-01 |
DE602005017660D1 (de) | 2009-12-24 |
CN101091206A (zh) | 2007-12-19 |
US20080091419A1 (en) | 2008-04-17 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |