WO2005112002A1 - オーディオ信号符号化装置及びオーディオ信号復号化装置 - Google Patents
オーディオ信号符号化装置及びオーディオ信号復号化装置 Download PDFInfo
- Publication number
- WO2005112002A1 WO2005112002A1 PCT/JP2005/008997 JP2005008997W WO2005112002A1 WO 2005112002 A1 WO2005112002 A1 WO 2005112002A1 JP 2005008997 W JP2005008997 W JP 2005008997W WO 2005112002 A1 WO2005112002 A1 WO 2005112002A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- mixed
- audio
- auxiliary information
- audio signal
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title claims abstract description 183
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 31
- 239000011159 matrix material Substances 0.000 claims description 19
- 238000001228 spectrum Methods 0.000 claims description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 4
- 238000000605 extraction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 22
- 108010076504 Protein Sorting Signals Proteins 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000012464 large buffer Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
Definitions
- a code stream composed of an audio-coded bit stream is currently used for transmission of broadcast content, applications recorded and reproduced on storage media such as DVDs and SD cards, and communication devices represented by mobile phones. It is used for transmitting AV contents to the Internet. It is also useful when transmitting audio signals as electronic data exchanged on the Internet.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05741297A EP1758100B1 (en) | 2004-05-19 | 2005-05-17 | Audio signal encoder and audio signal decoder |
CN2005800157948A CN1954362B (zh) | 2004-05-19 | 2005-05-17 | 音频信号编码装置及音频信号解码装置 |
DE602005024548T DE602005024548D1 (de) | 2004-05-19 | 2005-05-17 | Audiosignalcodierer und audiosignaldecodierer |
CA2566366A CA2566366C (en) | 2004-05-19 | 2005-05-17 | Audio signal encoder and audio signal decoder |
US11/579,740 US8078475B2 (en) | 2004-05-19 | 2005-05-17 | Audio signal encoder and audio signal decoder |
KR1020067021807A KR101117336B1 (ko) | 2004-05-19 | 2005-05-17 | 오디오 신호 부호화 장치 및 오디오 신호 복호화 장치 |
JP2006513610A JP4939933B2 (ja) | 2004-05-19 | 2005-05-17 | オーディオ信号符号化装置及びオーディオ信号復号化装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004148661 | 2004-05-19 | ||
JP2004-148661 | 2004-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005112002A1 true WO2005112002A1 (ja) | 2005-11-24 |
Family
ID=35394382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/008997 WO2005112002A1 (ja) | 2004-05-19 | 2005-05-17 | オーディオ信号符号化装置及びオーディオ信号復号化装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8078475B2 (ja) |
EP (2) | EP1758100B1 (ja) |
JP (1) | JP4939933B2 (ja) |
KR (1) | KR101117336B1 (ja) |
CN (1) | CN1954362B (ja) |
CA (1) | CA2566366C (ja) |
DE (2) | DE602005022235D1 (ja) |
WO (1) | WO2005112002A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007310087A (ja) * | 2006-05-17 | 2007-11-29 | Mitsubishi Electric Corp | 音声符号化装置及び音声復号装置 |
WO2009050896A1 (ja) * | 2007-10-16 | 2009-04-23 | Panasonic Corporation | ストリーム合成装置、復号装置、方法 |
JP2011527763A (ja) * | 2008-07-11 | 2011-11-04 | サムスン エレクトロニクス カンパニー リミテッド | マルチチャネルの符号化及び復号化方法並びに装置 |
JPWO2010005050A1 (ja) * | 2008-07-11 | 2012-01-05 | 日本電気株式会社 | 信号分析装置、信号制御装置及びその方法と、プログラム |
WO2013031953A1 (ja) * | 2011-08-31 | 2013-03-07 | 国立大学法人電気通信大学 | ミキシング装置、ミキシング信号処理装置、ミキシングプログラム及びミキシング方法 |
TWI483619B (zh) * | 2006-03-30 | 2015-05-01 | Lg Electronics Inc | 一種媒體訊號的編碼/解碼方法及其裝置 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
US8433581B2 (en) * | 2005-04-28 | 2013-04-30 | Panasonic Corporation | Audio encoding device and audio encoding method |
EP1876586B1 (en) * | 2005-04-28 | 2010-01-06 | Panasonic Corporation | Audio encoding device and audio encoding method |
WO2009075510A1 (en) * | 2007-12-09 | 2009-06-18 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
EP2144229A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Efficient use of phase information in audio encoding and decoding |
RU2495503C2 (ru) * | 2008-07-29 | 2013-10-10 | Панасоник Корпорэйшн | Устройство кодирования звука, устройство декодирования звука, устройство кодирования и декодирования звука и система проведения телеконференций |
WO2010036062A2 (en) * | 2008-09-25 | 2010-04-01 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
US8346379B2 (en) * | 2008-09-25 | 2013-01-01 | Lg Electronics Inc. | Method and an apparatus for processing a signal |
EP2169664A3 (en) | 2008-09-25 | 2010-04-07 | LG Electronics Inc. | A method and an apparatus for processing a signal |
KR101108060B1 (ko) * | 2008-09-25 | 2012-01-25 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치 |
EP2704143B1 (en) | 2009-10-21 | 2015-01-07 | Panasonic Intellectual Property Corporation of America | Apparatus, method and computer program for audio signal processing |
WO2011127832A1 (en) * | 2010-04-14 | 2011-10-20 | Huawei Technologies Co., Ltd. | Time/frequency two dimension post-processing |
JP5895050B2 (ja) | 2011-06-24 | 2016-03-30 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 符号化された多チャンネルオーディオ信号を処理するオーディオ信号プロセッサ及びその方法 |
BR122021009022B1 (pt) | 2013-04-05 | 2022-08-16 | Dolby International Ab | Método de decodificação para decodificar dois sinais de áudio, mídia legível por computador, e decodificador para decodificar dois sinais de áudio |
KR102150955B1 (ko) | 2013-04-19 | 2020-09-02 | 한국전자통신연구원 | 다채널 오디오 신호 처리 장치 및 방법 |
WO2014171791A1 (ko) | 2013-04-19 | 2014-10-23 | 한국전자통신연구원 | 다채널 오디오 신호 처리 장치 및 방법 |
US9319819B2 (en) | 2013-07-25 | 2016-04-19 | Etri | Binaural rendering method and apparatus for decoding multi channel audio |
US9658818B2 (en) * | 2014-08-11 | 2017-05-23 | Princeton Audio, LLC | Adaptable audio systems |
CN105812986A (zh) * | 2016-05-09 | 2016-07-27 | 中山奥凯华泰电子有限公司 | 将多声道缩混成无线两声道的音箱和处理方法 |
CN115188394A (zh) * | 2022-06-20 | 2022-10-14 | 安徽听见科技有限公司 | 混音方法、装置、电子设备和存储介质 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995034956A1 (fr) * | 1994-06-13 | 1995-12-21 | Sony Corporation | Procede et dispositif de codage de signal, procede et dispositif de decodage de signal, support d'enregistrement et dispositif de transmission de signaux |
JPH0865169A (ja) * | 1994-06-13 | 1996-03-08 | Sony Corp | 符号化方法及び装置、復号化装置、並びに記録媒体 |
JPH09102742A (ja) * | 1995-10-05 | 1997-04-15 | Sony Corp | 符号化方法および装置、復号化方法および装置、並びに記録媒体 |
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 |
JP2000123481A (ja) * | 1997-10-31 | 2000-04-28 | Sony Corp | 情報符号化装置および方法、情報復号装置および方法、記録媒体、並びに提供媒体 |
JP2000148193A (ja) * | 1998-11-16 | 2000-05-26 | Victor Co Of Japan Ltd | 音声符号化装置、光記録媒体及び音声復号装置並びに音声伝送方法 |
JP2003195894A (ja) * | 2001-12-27 | 2003-07-09 | Mitsubishi Electric Corp | 符号化装置、復号化装置、符号化方法、及び復号化方法 |
JP2003337598A (ja) * | 2002-05-20 | 2003-11-28 | Sony Corp | 音響信号符号化方法及び装置、音響信号復号方法及び装置、並びにプログラム及び記録媒体 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995018523A1 (en) * | 1993-12-23 | 1995-07-06 | Philips Electronics N.V. | Method and apparatus for encoding multibit coded digital sound through subtracting adaptive dither, inserting buried channel bits and filtering, and encoding and decoding apparatus for use with this method |
EP0688113A2 (en) * | 1994-06-13 | 1995-12-20 | Sony Corporation | Method and apparatus for encoding and decoding digital audio signals and apparatus for recording digital audio |
US6356211B1 (en) * | 1997-05-13 | 2002-03-12 | Sony Corporation | Encoding method and apparatus and recording medium |
EP0971350A1 (en) | 1997-10-31 | 2000-01-12 | Sony Corporation | Information encoding device and method, information decoding device and method, recording medium, and provided medium |
SE519552C2 (sv) * | 1998-09-30 | 2003-03-11 | Ericsson Telefon Ab L M | Flerkanalig signalkodning och -avkodning |
US6539357B1 (en) * | 1999-04-29 | 2003-03-25 | Agere Systems Inc. | Technique for parametric coding of a signal containing information |
KR20040063155A (ko) * | 2001-11-23 | 2004-07-12 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 인지성 잡음의 대치 |
ATE377339T1 (de) | 2002-07-12 | 2007-11-15 | Koninkl Philips Electronics Nv | Audio-kodierung |
AU2003281128A1 (en) * | 2002-07-16 | 2004-02-02 | Koninklijke Philips Electronics N.V. | Audio coding |
US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
US7447317B2 (en) * | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
JP5046652B2 (ja) * | 2004-12-27 | 2012-10-10 | 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 |
-
2005
- 2005-05-17 KR KR1020067021807A patent/KR101117336B1/ko active IP Right Grant
- 2005-05-17 EP EP05741297A patent/EP1758100B1/en not_active Expired - Fee Related
- 2005-05-17 CA CA2566366A patent/CA2566366C/en not_active Expired - Fee Related
- 2005-05-17 US US11/579,740 patent/US8078475B2/en not_active Expired - Fee Related
- 2005-05-17 DE DE602005022235T patent/DE602005022235D1/de active Active
- 2005-05-17 WO PCT/JP2005/008997 patent/WO2005112002A1/ja not_active Application Discontinuation
- 2005-05-17 DE DE602005024548T patent/DE602005024548D1/de active Active
- 2005-05-17 CN CN2005800157948A patent/CN1954362B/zh not_active Expired - Fee Related
- 2005-05-17 EP EP08150935A patent/EP1914723B1/en not_active Expired - Fee Related
- 2005-05-17 JP JP2006513610A patent/JP4939933B2/ja not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995034956A1 (fr) * | 1994-06-13 | 1995-12-21 | Sony Corporation | Procede et dispositif de codage de signal, procede et dispositif de decodage de signal, support d'enregistrement et dispositif de transmission de signaux |
JPH0865169A (ja) * | 1994-06-13 | 1996-03-08 | Sony Corp | 符号化方法及び装置、復号化装置、並びに記録媒体 |
JPH09102742A (ja) * | 1995-10-05 | 1997-04-15 | Sony Corp | 符号化方法および装置、復号化方法および装置、並びに記録媒体 |
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 |
JP2000123481A (ja) * | 1997-10-31 | 2000-04-28 | Sony Corp | 情報符号化装置および方法、情報復号装置および方法、記録媒体、並びに提供媒体 |
JP2000148193A (ja) * | 1998-11-16 | 2000-05-26 | Victor Co Of Japan Ltd | 音声符号化装置、光記録媒体及び音声復号装置並びに音声伝送方法 |
JP2003195894A (ja) * | 2001-12-27 | 2003-07-09 | Mitsubishi Electric Corp | 符号化装置、復号化装置、符号化方法、及び復号化方法 |
JP2003337598A (ja) * | 2002-05-20 | 2003-11-28 | Sony Corp | 音響信号符号化方法及び装置、音響信号復号方法及び装置、並びにプログラム及び記録媒体 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1758100A4 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI483619B (zh) * | 2006-03-30 | 2015-05-01 | Lg Electronics Inc | 一種媒體訊號的編碼/解碼方法及其裝置 |
JP2007310087A (ja) * | 2006-05-17 | 2007-11-29 | Mitsubishi Electric Corp | 音声符号化装置及び音声復号装置 |
WO2009050896A1 (ja) * | 2007-10-16 | 2009-04-23 | Panasonic Corporation | ストリーム合成装置、復号装置、方法 |
US8391513B2 (en) | 2007-10-16 | 2013-03-05 | Panasonic Corporation | Stream synthesizing device, decoding unit and method |
JP2011527763A (ja) * | 2008-07-11 | 2011-11-04 | サムスン エレクトロニクス カンパニー リミテッド | マルチチャネルの符号化及び復号化方法並びに装置 |
JPWO2010005050A1 (ja) * | 2008-07-11 | 2012-01-05 | 日本電気株式会社 | 信号分析装置、信号制御装置及びその方法と、プログラム |
JP2014063202A (ja) * | 2008-07-11 | 2014-04-10 | Samsung Electronics Co Ltd | マルチチャネルの符号化及び復号化方法並びに装置 |
WO2013031953A1 (ja) * | 2011-08-31 | 2013-03-07 | 国立大学法人電気通信大学 | ミキシング装置、ミキシング信号処理装置、ミキシングプログラム及びミキシング方法 |
US9584906B2 (en) | 2011-08-31 | 2017-02-28 | The University Of Electro-Communications | Mixing device, mixing signal processing device, mixing program and mixing method |
Also Published As
Publication number | Publication date |
---|---|
CA2566366C (en) | 2013-08-06 |
EP1914723A3 (en) | 2008-05-14 |
KR20070019718A (ko) | 2007-02-15 |
CA2566366A1 (en) | 2005-11-24 |
EP1758100A4 (en) | 2007-07-04 |
DE602005024548D1 (de) | 2010-12-16 |
EP1758100B1 (en) | 2010-11-03 |
EP1914723A2 (en) | 2008-04-23 |
DE602005022235D1 (de) | 2010-08-19 |
US20070244706A1 (en) | 2007-10-18 |
US8078475B2 (en) | 2011-12-13 |
CN1954362B (zh) | 2011-02-02 |
EP1914723B1 (en) | 2010-07-07 |
CN1954362A (zh) | 2007-04-25 |
KR101117336B1 (ko) | 2012-03-08 |
JP4939933B2 (ja) | 2012-05-30 |
JPWO2005112002A1 (ja) | 2008-03-27 |
EP1758100A1 (en) | 2007-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4939933B2 (ja) | オーディオ信号符号化装置及びオーディオ信号復号化装置 | |
JP5311597B2 (ja) | マルチチャンネル・エンコーダ | |
JP4685925B2 (ja) | 適応残差オーディオ符号化 | |
US8036904B2 (en) | Audio encoder and method for scalable multi-channel audio coding, and an audio decoder and method for decoding said scalable multi-channel audio coding | |
TWI508578B (zh) | 音訊編碼及解碼 | |
JP4772279B2 (ja) | オーディオ信号のマルチチャネル/キュー符号化/復号化 | |
CA2593290C (en) | Compact side information for parametric coding of spatial audio | |
US8019614B2 (en) | Energy shaping apparatus and energy shaping method | |
WO2005122639A1 (ja) | 音響信号符号化装置および音響信号復号装置 | |
EP1803325A1 (en) | Diffuse sound envelope shaping for binaural cue coding schemes and the like | |
CN101361115A (zh) | 解码信号的方法和装置 | |
JP5483813B2 (ja) | マルチチャネル音声音響信号符号化装置および方法、並びにマルチチャネル音声音響信号復号装置および方法 | |
WO2006011367A1 (ja) | オーディオ信号符号化装置および復号化装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006513610 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020067021807 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005741297 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11579740 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2566366 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200580015794.8 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 1020067021807 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 2005741297 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 11579740 Country of ref document: US |