DE50003945D1 - Verfahren und vorrichtung zum verarbeiten eines stereoaudiosignals - Google Patents
Verfahren und vorrichtung zum verarbeiten eines stereoaudiosignalsInfo
- Publication number
- DE50003945D1 DE50003945D1 DE50003945T DE50003945T DE50003945D1 DE 50003945 D1 DE50003945 D1 DE 50003945D1 DE 50003945 T DE50003945 T DE 50003945T DE 50003945 T DE50003945 T DE 50003945T DE 50003945 D1 DE50003945 D1 DE 50003945D1
- Authority
- DE
- Germany
- Prior art keywords
- channel
- signal
- stereo
- stereo audio
- modified
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 230000005236 sound signal Effects 0.000 title abstract 4
- 230000002238 attenuated effect Effects 0.000 abstract 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50003945T DE50003945D1 (de) | 1999-12-08 | 2000-12-07 | Verfahren und vorrichtung zum verarbeiten eines stereoaudiosignals |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19959156A DE19959156C2 (de) | 1999-12-08 | 1999-12-08 | Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals |
DE50003945T DE50003945D1 (de) | 1999-12-08 | 2000-12-07 | Verfahren und vorrichtung zum verarbeiten eines stereoaudiosignals |
PCT/EP2000/012352 WO2001043503A2 (de) | 1999-12-08 | 2000-12-07 | Verfahren und vorrichtung zum verarbeiten eines stereoaudiosignals |
Publications (1)
Publication Number | Publication Date |
---|---|
DE50003945D1 true DE50003945D1 (de) | 2003-11-06 |
Family
ID=7931846
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19959156A Expired - Lifetime DE19959156C2 (de) | 1999-12-08 | 1999-12-08 | Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals |
DE50003945T Expired - Lifetime DE50003945D1 (de) | 1999-12-08 | 2000-12-07 | Verfahren und vorrichtung zum verarbeiten eines stereoaudiosignals |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19959156A Expired - Lifetime DE19959156C2 (de) | 1999-12-08 | 1999-12-08 | Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals |
Country Status (6)
Country | Link |
---|---|
US (1) | US7260225B2 (de) |
EP (1) | EP1230827B1 (de) |
JP (2) | JP4000261B2 (de) |
AT (1) | ATE251376T1 (de) |
DE (2) | DE19959156C2 (de) |
WO (1) | WO2001043503A2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19959156C2 (de) * | 1999-12-08 | 2002-01-31 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals |
SE519985C2 (sv) * | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
DE10102159C2 (de) * | 2001-01-18 | 2002-12-12 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Erzeugen bzw. Decodieren eines skalierbaren Datenstroms unter Berücksichtigung einer Bitsparkasse, Codierer und skalierbarer Codierer |
US6859238B2 (en) * | 2002-02-26 | 2005-02-22 | Broadcom Corporation | Scaling adjustment to enhance stereo separation |
US6832078B2 (en) * | 2002-02-26 | 2004-12-14 | Broadcom Corporation | Scaling adjustment using pilot signal |
US7079657B2 (en) * | 2002-02-26 | 2006-07-18 | Broadcom Corporation | System and method of performing digital multi-channel audio signal decoding |
US8086448B1 (en) * | 2003-06-24 | 2011-12-27 | Creative Technology Ltd | Dynamic modification of a high-order perceptual attribute of an audio signal |
EP1492084B1 (de) * | 2003-06-25 | 2006-05-17 | Psytechnics Ltd | Vorrichtung und Verfahren zur binauralen Qualitätsbeurteilung |
US7620545B2 (en) * | 2003-07-08 | 2009-11-17 | Industrial Technology Research Institute | Scale factor based bit shifting in fine granularity scalability audio coding |
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 |
KR20070085532A (ko) | 2004-11-30 | 2007-08-27 | 마츠시타 덴끼 산교 가부시키가이샤 | 스테레오 부호화 장치, 스테레오 복호 장치 및 그 방법 |
JP4842147B2 (ja) * | 2004-12-28 | 2011-12-21 | パナソニック株式会社 | スケーラブル符号化装置およびスケーラブル符号化方法 |
KR100682915B1 (ko) * | 2005-01-13 | 2007-02-15 | 삼성전자주식회사 | 다채널 신호 부호화/복호화 방법 및 장치 |
BRPI0607303A2 (pt) * | 2005-01-26 | 2009-08-25 | Matsushita Electric Ind Co Ltd | dispositivo de codificação de voz e método de codificar voz |
BRPI0608753B1 (pt) * | 2005-03-30 | 2019-12-24 | Koninl Philips Electronics Nv | codificador de áudio, decodificador de áudio, método para codificar um sinal de áudio de multicanal, método para gerar um sinal de áudio de multicanal, sinal de áudio de multicanal codificado, e meio de armazenamento |
EP2555187B1 (de) * | 2005-10-12 | 2016-12-07 | Samsung Electronics Co., Ltd. | Verfahren und Vorrichtung zum Verschlüsseln/Entschlüsseln von Audiodaten und Erweiterungsdaten |
US7734053B2 (en) * | 2005-12-06 | 2010-06-08 | Fujitsu Limited | Encoding apparatus, encoding method, and computer product |
JP2007183528A (ja) * | 2005-12-06 | 2007-07-19 | Fujitsu Ltd | 符号化装置、符号化方法、および符号化プログラム |
US8332216B2 (en) * | 2006-01-12 | 2012-12-11 | Stmicroelectronics Asia Pacific Pte., Ltd. | System and method for low power stereo perceptual audio coding using adaptive masking threshold |
US8032371B2 (en) * | 2006-07-28 | 2011-10-04 | Apple Inc. | Determining scale factor values in encoding audio data with AAC |
US8010370B2 (en) * | 2006-07-28 | 2011-08-30 | Apple Inc. | Bitrate control for perceptual coding |
JP4698688B2 (ja) | 2007-02-27 | 2011-06-08 | シャープ株式会社 | 送受信方法、送受信装置及びプログラム |
US8064624B2 (en) * | 2007-07-19 | 2011-11-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for generating a stereo signal with enhanced perceptual quality |
PL2556502T3 (pl) * | 2010-04-09 | 2019-05-31 | Dolby Int Ab | Dekodowanie stereo z predykcją zespoloną opartą na mdct |
FR2966634A1 (fr) * | 2010-10-22 | 2012-04-27 | France Telecom | Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase |
CN117542365A (zh) * | 2016-01-22 | 2024-02-09 | 弗劳恩霍夫应用研究促进协会 | 用于具有全局ild和改进的中/侧决策的mdct m/s立体声的装置和方法 |
CN111370032B (zh) * | 2020-02-20 | 2023-02-14 | 厦门快商通科技股份有限公司 | 语音分离方法、系统、移动终端及存储介质 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2511026A1 (de) * | 1975-03-13 | 1976-09-16 | Siemens Ag | Schaltungsanordnung zur kontinuierlichen basisbreiteneinstellung in einem stereodecoder |
GB2244629B (en) * | 1990-05-30 | 1994-03-16 | Sony Corp | Three channel audio transmission and/or reproduction systems |
KR100263599B1 (ko) * | 1991-09-02 | 2000-08-01 | 요트.게.아. 롤페즈 | 인코딩 시스템 |
DE4229654A1 (de) * | 1991-09-25 | 1993-04-22 | Thomson Brandt Gmbh | Verfahren zur uebertragung eines audio- und/oder videosignals |
US5228093A (en) | 1991-10-24 | 1993-07-13 | Agnello Anthony M | Method for mixing source audio signals and an audio signal mixing system |
US5285498A (en) * | 1992-03-02 | 1994-02-08 | At&T Bell Laboratories | Method and apparatus for coding audio signals based on perceptual model |
US5278909A (en) * | 1992-06-08 | 1994-01-11 | International Business Machines Corporation | System and method for stereo digital audio compression with co-channel steering |
EP0688113A2 (de) * | 1994-06-13 | 1995-12-20 | Sony Corporation | Verfahren und Vorrichtung für die Kodierung und Dekodierung von digitalen Tonsignalen und Vorrichtung zur Aufzeichnung von digitalen Tonsignalen |
JPH08123488A (ja) * | 1994-10-24 | 1996-05-17 | Sony Corp | 高能率符号化方法、高能率符号記録方法、高能率符号伝送方法、高能率符号化装置及び高能率符号復号化方法 |
JPH08289900A (ja) | 1995-04-20 | 1996-11-05 | Jiyunko Tairiyou | 遠赤外線放射カイロ |
GB9509831D0 (en) * | 1995-05-15 | 1995-07-05 | Gerzon Michael A | Lossless coding method for waveform data |
US5825830A (en) * | 1995-08-17 | 1998-10-20 | Kopf; David A. | Method and apparatus for the compression of audio, video or other data |
US5870480A (en) * | 1996-07-19 | 1999-02-09 | Lexicon | Multichannel active matrix encoder and decoder with maximum lateral separation |
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 |
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 |
US6356211B1 (en) | 1997-05-13 | 2002-03-12 | Sony Corporation | Encoding method and apparatus and recording medium |
WO1999043110A1 (en) * | 1998-02-21 | 1999-08-26 | Sgs-Thomson Microelectronics Asia Pacific (Pte) Ltd | A fast frequency transformation techique for transform audio coders |
DE19959156C2 (de) * | 1999-12-08 | 2002-01-31 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals |
-
1999
- 1999-12-08 DE DE19959156A patent/DE19959156C2/de not_active Expired - Lifetime
-
2000
- 2000-12-07 US US10/149,248 patent/US7260225B2/en not_active Expired - Lifetime
- 2000-12-07 AT AT00985148T patent/ATE251376T1/de active
- 2000-12-07 JP JP2001543072A patent/JP4000261B2/ja not_active Expired - Lifetime
- 2000-12-07 WO PCT/EP2000/012352 patent/WO2001043503A2/de active IP Right Grant
- 2000-12-07 EP EP00985148A patent/EP1230827B1/de not_active Expired - Lifetime
- 2000-12-07 DE DE50003945T patent/DE50003945D1/de not_active Expired - Lifetime
-
2007
- 2007-06-22 JP JP2007165445A patent/JP4579273B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2003516555A (ja) | 2003-05-13 |
DE19959156A1 (de) | 2001-06-28 |
WO2001043503A3 (de) | 2002-05-10 |
ATE251376T1 (de) | 2003-10-15 |
DE19959156C2 (de) | 2002-01-31 |
JP4579273B2 (ja) | 2010-11-10 |
WO2001043503A2 (de) | 2001-06-14 |
EP1230827A2 (de) | 2002-08-14 |
JP4000261B2 (ja) | 2007-10-31 |
JP2007316658A (ja) | 2007-12-06 |
EP1230827B1 (de) | 2003-10-01 |
US7260225B2 (en) | 2007-08-21 |
US20030091194A1 (en) | 2003-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWAND |
|
8364 | No opposition during term of opposition |