ATE188832T1 - Verfahren zum codieren und decodieren von stereoaudiospektralwerten - Google Patents
Verfahren zum codieren und decodieren von stereoaudiospektralwertenInfo
- Publication number
- ATE188832T1 ATE188832T1 AT97925036T AT97925036T ATE188832T1 AT E188832 T1 ATE188832 T1 AT E188832T1 AT 97925036 T AT97925036 T AT 97925036T AT 97925036 T AT97925036 T AT 97925036T AT E188832 T1 ATE188832 T1 AT E188832T1
- Authority
- AT
- Austria
- Prior art keywords
- spectral values
- code book
- stereo audio
- audio spectral
- coded
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 title abstract 6
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereo-Broadcasting Methods (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19628292A DE19628292B4 (de) | 1996-07-12 | 1996-07-12 | Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten |
| PCT/EP1997/002874 WO1998003036A1 (de) | 1996-07-12 | 1997-06-03 | Verfahren zum codieren und decodieren von stereoaudiospektralwerten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE188832T1 true ATE188832T1 (de) | 2000-01-15 |
Family
ID=7799742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97925036T ATE188832T1 (de) | 1996-07-12 | 1997-06-03 | Verfahren zum codieren und decodieren von stereoaudiospektralwerten |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US6771777B1 (de) |
| EP (1) | EP0910927B1 (de) |
| JP (1) | JP3622982B2 (de) |
| KR (1) | KR100316582B1 (de) |
| AT (1) | ATE188832T1 (de) |
| AU (1) | AU712196B2 (de) |
| CA (1) | CA2260090C (de) |
| DE (2) | DE19628292B4 (de) |
| DK (1) | DK0910927T3 (de) |
| ES (1) | ES2143868T3 (de) |
| GR (1) | GR3032444T3 (de) |
| NO (1) | NO317570B1 (de) |
| PT (1) | PT910927E (de) |
| WO (1) | WO1998003036A1 (de) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6539357B1 (en) * | 1999-04-29 | 2003-03-25 | Agere Systems Inc. | Technique for parametric coding of a signal containing information |
| US6735561B1 (en) * | 2000-03-29 | 2004-05-11 | At&T Corp. | Effective deployment of temporal noise shaping (TNS) filters |
| US7099830B1 (en) * | 2000-03-29 | 2006-08-29 | At&T Corp. | Effective deployment of temporal noise shaping (TNS) filters |
| EP1175030B1 (de) * | 2000-07-07 | 2008-02-20 | Nokia Siemens Networks Oy | Verfahren und Vorrichtung für die perzeptuelle Tonkodierung von einem mehrkanal Tonsignal mit Verwendung der kaskadierten diskreten Cosinustransformation oder der modifizierten diskreten Cosinustransformation |
| US8605911B2 (en) | 2001-07-10 | 2013-12-10 | Dolby International Ab | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| PT1423847E (pt) | 2001-11-29 | 2005-05-31 | Coding Tech Ab | Reconstrucao de componentes de frequencia elevada |
| US6934677B2 (en) | 2001-12-14 | 2005-08-23 | Microsoft Corporation | Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands |
| US7240001B2 (en) | 2001-12-14 | 2007-07-03 | Microsoft Corporation | Quality improvement techniques in an audio encoder |
| US7016547B1 (en) | 2002-06-28 | 2006-03-21 | Microsoft Corporation | Adaptive entropy encoding/decoding for screen capture content |
| DE60330198D1 (de) | 2002-09-04 | 2009-12-31 | Microsoft Corp | Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus |
| US7502743B2 (en) | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
| JP4676140B2 (ja) * | 2002-09-04 | 2011-04-27 | マイクロソフト コーポレーション | オーディオの量子化および逆量子化 |
| US7299190B2 (en) | 2002-09-04 | 2007-11-20 | Microsoft Corporation | Quantization and inverse quantization for audio |
| US7433824B2 (en) | 2002-09-04 | 2008-10-07 | Microsoft Corporation | Entropy coding by adapting coding between level and run-length/level modes |
| SE0202770D0 (sv) | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks |
| US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
| US7782954B2 (en) | 2003-09-07 | 2010-08-24 | Microsoft Corporation | Scan patterns for progressive video content |
| US7688894B2 (en) | 2003-09-07 | 2010-03-30 | Microsoft Corporation | Scan patterns for interlaced video content |
| KR20050027179A (ko) * | 2003-09-13 | 2005-03-18 | 삼성전자주식회사 | 오디오 데이터 복원 방법 및 그 장치 |
| US7460990B2 (en) * | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
| CN1922655A (zh) * | 2004-07-06 | 2007-02-28 | 松下电器产业株式会社 | 音频信号编码装置、音频信号解码装置、方法及程序 |
| KR101315077B1 (ko) * | 2005-03-30 | 2013-10-08 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 멀티-채널 오디오 데이터를 인코딩 및 디코딩하기 위한 방법, 및 인코더들 및 디코더들 |
| US7562021B2 (en) | 2005-07-15 | 2009-07-14 | Microsoft Corporation | Modification of codewords in dictionary used for efficient coding of digital media spectral data |
| KR100851970B1 (ko) * | 2005-07-15 | 2008-08-12 | 삼성전자주식회사 | 오디오 신호의 중요주파수 성분 추출방법 및 장치와 이를이용한 저비트율 오디오 신호 부호화/복호화 방법 및 장치 |
| US7693709B2 (en) | 2005-07-15 | 2010-04-06 | Microsoft Corporation | Reordering coefficients for waveform coding or decoding |
| US7684981B2 (en) | 2005-07-15 | 2010-03-23 | Microsoft Corporation | Prediction of spectral coefficients in waveform coding and decoding |
| US7539612B2 (en) * | 2005-07-15 | 2009-05-26 | Microsoft Corporation | Coding and decoding scale factor information |
| US7630882B2 (en) | 2005-07-15 | 2009-12-08 | Microsoft Corporation | Frequency segmentation to obtain bands for efficient coding of digital media |
| US7599840B2 (en) | 2005-07-15 | 2009-10-06 | Microsoft Corporation | Selectively using multiple entropy models in adaptive coding and decoding |
| US8599925B2 (en) | 2005-08-12 | 2013-12-03 | Microsoft Corporation | Efficient coding and decoding of transform blocks |
| US7565018B2 (en) * | 2005-08-12 | 2009-07-21 | Microsoft Corporation | Adaptive coding and decoding of wide-range coefficients |
| US7933337B2 (en) | 2005-08-12 | 2011-04-26 | Microsoft Corporation | Prediction of transform coefficients for image compression |
| US7831434B2 (en) | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
| US7953604B2 (en) * | 2006-01-20 | 2011-05-31 | Microsoft Corporation | Shape and scale parameters for extended-band frequency coding |
| US8190425B2 (en) | 2006-01-20 | 2012-05-29 | Microsoft Corporation | Complex cross-correlation parameters for multi-channel audio |
| US8184710B2 (en) | 2007-02-21 | 2012-05-22 | Microsoft Corporation | Adaptive truncation of transform coefficient data in a transform-based digital media codec |
| US7761290B2 (en) | 2007-06-15 | 2010-07-20 | Microsoft Corporation | Flexible frequency and time partitioning in perceptual transform coding of audio |
| US7774205B2 (en) | 2007-06-15 | 2010-08-10 | Microsoft Corporation | Coding of sparse digital media spectral data |
| US8046214B2 (en) | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
| US7885819B2 (en) | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
| US8249883B2 (en) | 2007-10-26 | 2012-08-21 | Microsoft Corporation | Channel extension coding for multi-channel source |
| KR101444102B1 (ko) | 2008-02-20 | 2014-09-26 | 삼성전자주식회사 | 스테레오 오디오의 부호화, 복호화 방법 및 장치 |
| US8179974B2 (en) | 2008-05-02 | 2012-05-15 | Microsoft Corporation | Multi-level representation of reordered transform coefficients |
| US8406307B2 (en) | 2008-08-22 | 2013-03-26 | Microsoft Corporation | Entropy coding/decoding of hierarchically organized data |
| JP6061121B2 (ja) | 2011-07-01 | 2017-01-18 | ソニー株式会社 | オーディオ符号化装置、オーディオ符号化方法、およびプログラム |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3310480C2 (de) * | 1983-03-23 | 1986-02-13 | Seitzer, Dieter, Prof. Dr.-Ing., 8520 Erlangen | Digitales Codierverfahren für Audiosignale |
| JPS59188764A (ja) | 1983-04-11 | 1984-10-26 | Hitachi Ltd | メモリ装置 |
| DE3943879B4 (de) * | 1989-04-17 | 2008-07-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Digitales Codierverfahren |
| JP3131249B2 (ja) | 1991-08-23 | 2001-01-31 | 日本放送協会 | 混合音声信号受信装置 |
| CA2090052C (en) | 1992-03-02 | 1998-11-24 | Anibal Joao De Sousa Ferreira | Method and apparatus for the perceptual coding of audio signals |
| EP0559348A3 (de) * | 1992-03-02 | 1993-11-03 | AT&T Corp. | Rateurregelschleifenprozessor für einen wahrnehmungsgebundenen Koder/Dekoder |
| DE4236989C2 (de) * | 1992-11-02 | 1994-11-17 | Fraunhofer Ges Forschung | Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle |
| JP3292522B2 (ja) | 1992-11-25 | 2002-06-17 | 京セラ株式会社 | 携帯電話機 |
| JP3150475B2 (ja) | 1993-02-19 | 2001-03-26 | 松下電器産業株式会社 | 量子化方法 |
| US5581653A (en) | 1993-08-31 | 1996-12-03 | Dolby Laboratories Licensing Corporation | Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder |
| DE4331367C2 (de) * | 1993-09-15 | 1996-04-18 | Lewin Martin | Innenmuffe zur Dichtung von Rohrstößen in Rohrleitungen |
| DE4331376C1 (de) | 1993-09-15 | 1994-11-10 | Fraunhofer Ges Forschung | Verfahren zum Bestimmen der zu wählenden Codierungsart für die Codierung von wenigstens zwei Signalen |
| US5488665A (en) | 1993-11-23 | 1996-01-30 | At&T Corp. | Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels |
| JP3435674B2 (ja) | 1994-05-06 | 2003-08-11 | 日本電信電話株式会社 | 信号の符号化方法と復号方法及びそれを使った符号器及び復号器 |
| US5864802A (en) | 1995-09-22 | 1999-01-26 | Samsung Electronics Co., Ltd. | Digital audio encoding method utilizing look-up table and device thereof |
-
1996
- 1996-07-12 DE DE19628292A patent/DE19628292B4/de not_active Expired - Lifetime
-
1997
- 1997-06-03 US US09/214,656 patent/US6771777B1/en not_active Expired - Lifetime
- 1997-06-03 DK DK97925036T patent/DK0910927T3/da active
- 1997-06-03 JP JP50553798A patent/JP3622982B2/ja not_active Expired - Lifetime
- 1997-06-03 AU AU30318/97A patent/AU712196B2/en not_active Expired
- 1997-06-03 CA CA002260090A patent/CA2260090C/en not_active Expired - Lifetime
- 1997-06-03 WO PCT/EP1997/002874 patent/WO1998003036A1/de not_active Ceased
- 1997-06-03 AT AT97925036T patent/ATE188832T1/de active
- 1997-06-03 EP EP97925036A patent/EP0910927B1/de not_active Expired - Lifetime
- 1997-06-03 ES ES97925036T patent/ES2143868T3/es not_active Expired - Lifetime
- 1997-06-03 KR KR1019980710868A patent/KR100316582B1/ko not_active Expired - Lifetime
- 1997-06-03 PT PT97925036T patent/PT910927E/pt unknown
- 1997-06-03 DE DE59701014T patent/DE59701014D1/de not_active Expired - Lifetime
-
1999
- 1999-01-11 NO NO19990106A patent/NO317570B1/no not_active IP Right Cessation
-
2000
- 2000-01-20 GR GR20000400139T patent/GR3032444T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU3031897A (en) | 1998-02-09 |
| GR3032444T3 (en) | 2000-05-31 |
| NO317570B1 (no) | 2004-11-15 |
| WO1998003036A1 (de) | 1998-01-22 |
| NO990106D0 (no) | 1999-01-11 |
| DE59701014D1 (de) | 2000-02-17 |
| EP0910927A1 (de) | 1999-04-28 |
| JP3622982B2 (ja) | 2005-02-23 |
| DK0910927T3 (da) | 2000-05-08 |
| EP0910927B1 (de) | 2000-01-12 |
| DE19628292A1 (de) | 1998-01-15 |
| CA2260090A1 (en) | 1998-01-22 |
| CA2260090C (en) | 2000-10-17 |
| JP2000505266A (ja) | 2000-04-25 |
| US6771777B1 (en) | 2004-08-03 |
| AU712196B2 (en) | 1999-10-28 |
| PT910927E (pt) | 2000-04-28 |
| DE19628292B4 (de) | 2007-08-02 |
| KR20000022435A (ko) | 2000-04-25 |
| KR100316582B1 (ko) | 2002-02-28 |
| NO990106L (no) | 1999-03-10 |
| ES2143868T3 (es) | 2000-05-16 |
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