ATE358317T1 - Mehrkanal-signalcodierung und -decodierung - Google Patents
Mehrkanal-signalcodierung und -decodierungInfo
- Publication number
- ATE358317T1 ATE358317T1 AT01965791T AT01965791T ATE358317T1 AT E358317 T1 ATE358317 T1 AT E358317T1 AT 01965791 T AT01965791 T AT 01965791T AT 01965791 T AT01965791 T AT 01965791T AT E358317 T1 ATE358317 T1 AT E358317T1
- Authority
- AT
- Austria
- Prior art keywords
- decoding
- channel signal
- signal coding
- channel
- leading channel
- Prior art date
Links
- 238000000034 method Methods 0.000 abstract 1
- 238000003786 synthesis reaction Methods 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
- 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)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Error Detection And Correction (AREA)
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 (1)
Publication Number | Publication Date |
---|---|
ATE358317T1 true ATE358317T1 (de) | 2007-04-15 |
Family
ID=20281034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT01965791T ATE358317T1 (de) | 2000-09-15 | 2001-09-05 | Mehrkanal-signalcodierung und -decodierung |
Country Status (8)
Country | Link |
---|---|
US (1) | US7263480B2 (de) |
EP (1) | EP1325495B1 (de) |
JP (1) | JP4498677B2 (de) |
AT (1) | ATE358317T1 (de) |
AU (1) | AU2001286350A1 (de) |
DE (1) | DE60127566T2 (de) |
SE (1) | SE519985C2 (de) |
WO (1) | WO2002023529A1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US7873512B2 (en) * | 2004-07-20 | 2011-01-18 | Panasonic Corporation | Sound encoder and sound encoding method |
JP4963962B2 (ja) * | 2004-08-26 | 2012-06-27 | パナソニック株式会社 | マルチチャネル信号符号化装置およびマルチチャネル信号復号装置 |
CN101027718A (zh) * | 2004-09-28 | 2007-08-29 | 松下电器产业株式会社 | 可扩展性编码装置以及可扩展性编码方法 |
DE602005016130D1 (de) | 2004-09-30 | 2009-10-01 | Panasonic Corp | Einrichtung für skalierbare codierung, einrichtung für skalierbare decodierung und verfahren dafür |
EP1814104A4 (de) * | 2004-11-30 | 2008-12-31 | Panasonic Corp | Stereo-codierungsvorrichtung, stereo-decodierungsvorrichtung und ihre verfahren |
EP1818911B1 (de) * | 2004-12-27 | 2012-02-08 | Panasonic Corporation | Tonkodierungsvorrichtung und tonkodierungsmethode |
KR20070090217A (ko) * | 2004-12-28 | 2007-09-05 | 마츠시타 덴끼 산교 가부시키가이샤 | 스케일러블 부호화 장치 및 스케일러블 부호화 방법 |
CN101116137B (zh) | 2005-02-10 | 2011-02-09 | 松下电器产业株式会社 | 语音编码中的脉冲分配方法 |
EP1691348A1 (de) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametrische kombinierte Kodierung von Audio-Quellen |
CN101124740B (zh) * | 2005-02-23 | 2012-05-30 | 艾利森电话股份有限公司 | 多声道音频信号编码和解码的方法和装置和音频传送系统 |
US9626973B2 (en) | 2005-02-23 | 2017-04-18 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive bit allocation for multi-channel audio encoding |
US8000967B2 (en) * | 2005-03-09 | 2011-08-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Low-complexity code excited linear prediction encoding |
MX2007011995A (es) * | 2005-03-30 | 2007-12-07 | Koninkl Philips Electronics Nv | Codificacion y decodificacion de audio. |
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 |
CN101167126B (zh) * | 2005-04-28 | 2011-09-21 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
KR101259203B1 (ko) | 2005-04-28 | 2013-04-29 | 파나소닉 주식회사 | 음성 부호화 장치와 음성 부호화 방법, 무선 통신 이동국 장치 및 무선 통신 기지국 장치 |
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 (de) | 2007-09-19 | 2015-11-11 | Telefonaktiebolaget LM Ericsson (publ) | Gemeisame mehrkanal-audio kodierung/dekodierung |
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 (de) * | 2011-05-11 | 2018-06-02 | ||
CN115831130A (zh) | 2018-06-29 | 2023-03-21 | 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 |
CN112233682B (zh) * | 2019-06-29 | 2024-07-16 | 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 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE69132427D1 (de) * | 1990-07-05 | 2000-11-02 | Fujitsu Ltd | Digitalmultiplex-Übertragungssystem |
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 |
-
2000
- 2000-09-15 SE SE0003287A patent/SE519985C2/sv unknown
-
2001
- 2001-09-05 DE DE60127566T patent/DE60127566T2/de not_active Expired - Lifetime
- 2001-09-05 EP EP01965791A patent/EP1325495B1/de not_active Expired - Lifetime
- 2001-09-05 WO PCT/SE2001/001886 patent/WO2002023529A1/en active IP Right Grant
- 2001-09-05 AT AT01965791T patent/ATE358317T1/de not_active IP Right Cessation
- 2001-09-05 AU AU2001286350A patent/AU2001286350A1/en not_active Abandoned
- 2001-09-05 JP JP2002527493A patent/JP4498677B2/ja not_active Expired - Fee Related
- 2001-09-05 US US10/380,419 patent/US7263480B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1325495A1 (de) | 2003-07-09 |
DE60127566D1 (de) | 2007-05-10 |
SE0003287L (sv) | 2002-03-16 |
US7263480B2 (en) | 2007-08-28 |
SE0003287D0 (sv) | 2000-09-15 |
EP1325495B1 (de) | 2007-03-28 |
JP4498677B2 (ja) | 2010-07-07 |
WO2002023529A1 (en) | 2002-03-21 |
DE60127566T2 (de) | 2007-08-16 |
AU2001286350A1 (en) | 2002-03-26 |
SE519985C2 (sv) | 2003-05-06 |
US20030191635A1 (en) | 2003-10-09 |
JP2004509367A (ja) | 2004-03-25 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |