ATE251376T1 - Verfahren und vorrichtung zum verarbeiten eines stereoaudiosignals - Google Patents
Verfahren und vorrichtung zum verarbeiten eines stereoaudiosignalsInfo
- Publication number
- ATE251376T1 ATE251376T1 AT00985148T AT00985148T ATE251376T1 AT E251376 T1 ATE251376 T1 AT E251376T1 AT 00985148 T AT00985148 T AT 00985148T AT 00985148 T AT00985148 T AT 00985148T AT E251376 T1 ATE251376 T1 AT E251376T1
- Authority
- AT
- Austria
- Prior art keywords
- channel
- signal
- stereo
- stereo audio
- modified
- Prior art date
Links
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)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (2)
| 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 |
| PCT/EP2000/012352 WO2001043503A2 (de) | 1999-12-08 | 2000-12-07 | Verfahren und vorrichtung zum verarbeiten eines stereoaudiosignals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE251376T1 true ATE251376T1 (de) | 2003-10-15 |
Family
ID=7931846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT00985148T ATE251376T1 (de) | 1999-12-08 | 2000-12-07 | Verfahren und vorrichtung zum verarbeiten eines 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 (29)
| 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 |
| 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 |
| US6859238B2 (en) * | 2002-02-26 | 2005-02-22 | Broadcom Corporation | Scaling adjustment to enhance stereo separation |
| 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 |
| SE527670C2 (sv) * | 2003-12-19 | 2006-05-09 | Ericsson Telefon Ab L M | Naturtrogenhetsoptimerad kodning med variabel ramlängd |
| BRPI0516201A (pt) * | 2004-09-28 | 2008-08-26 | Matsushita Electric Industrial Co Ltd | aparelho de codificação escalonável e método de codificação escalonável |
| US7848932B2 (en) | 2004-11-30 | 2010-12-07 | Panasonic Corporation | Stereo encoding apparatus, stereo decoding apparatus, and their methods |
| KR20070090217A (ko) * | 2004-12-28 | 2007-09-05 | 마츠시타 덴끼 산교 가부시키가이샤 | 스케일러블 부호화 장치 및 스케일러블 부호화 방법 |
| KR100682915B1 (ko) * | 2005-01-13 | 2007-02-15 | 삼성전자주식회사 | 다채널 신호 부호화/복호화 방법 및 장치 |
| WO2006080358A1 (ja) * | 2005-01-26 | 2006-08-03 | Matsushita Electric Industrial Co., Ltd. | 音声符号化装置および音声符号化方法 |
| 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 |
| EP2555187B1 (de) * | 2005-10-12 | 2016-12-07 | Samsung Electronics Co., Ltd. | Verfahren und Vorrichtung zum Verschlüsseln/Entschlüsseln von Audiodaten und Erweiterungsdaten |
| 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 |
| US7734053B2 (en) | 2005-12-06 | 2010-06-08 | Fujitsu Limited | Encoding apparatus, encoding method, and computer product |
| 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 |
| US8010370B2 (en) * | 2006-07-28 | 2011-08-30 | Apple Inc. | Bitrate control for perceptual coding |
| US8032371B2 (en) * | 2006-07-28 | 2011-10-04 | Apple Inc. | Determining scale factor values in encoding audio data with AAC |
| 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 |
| CA2793320C (en) * | 2010-04-09 | 2016-07-12 | Dolby International Ab | Mdct-based complex prediction stereo coding |
| FR2966634A1 (fr) * | 2010-10-22 | 2012-04-27 | France Telecom | Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase |
| KR102230668B1 (ko) * | 2016-01-22 | 2021-03-22 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 미드/사이드 결정이 개선된 전역 ild를 갖는 mdct m/s 스테레오의 장치 및 방법 |
| CN109389984B (zh) * | 2017-08-10 | 2021-09-14 | 华为技术有限公司 | 时域立体声编解码方法和相关产品 |
| 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 |
| DE69823557T2 (de) * | 1998-02-21 | 2005-02-03 | Stmicroelectronics Asia Pacific Pte Ltd. | Schnelle frequenztransformationstechnik für transform audio koder |
| 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 AT AT00985148T patent/ATE251376T1/de active
- 2000-12-07 DE DE50003945T patent/DE50003945D1/de not_active Expired - Lifetime
- 2000-12-07 JP JP2001543072A patent/JP4000261B2/ja not_active Expired - Lifetime
- 2000-12-07 WO PCT/EP2000/012352 patent/WO2001043503A2/de not_active Ceased
- 2000-12-07 EP EP00985148A patent/EP1230827B1/de not_active Expired - Lifetime
- 2000-12-07 US US10/149,248 patent/US7260225B2/en not_active Expired - Lifetime
-
2007
- 2007-06-22 JP JP2007165445A patent/JP4579273B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1230827A2 (de) | 2002-08-14 |
| DE19959156C2 (de) | 2002-01-31 |
| JP2003516555A (ja) | 2003-05-13 |
| JP4000261B2 (ja) | 2007-10-31 |
| WO2001043503A3 (de) | 2002-05-10 |
| JP4579273B2 (ja) | 2010-11-10 |
| US7260225B2 (en) | 2007-08-21 |
| JP2007316658A (ja) | 2007-12-06 |
| EP1230827B1 (de) | 2003-10-01 |
| DE50003945D1 (de) | 2003-11-06 |
| WO2001043503A2 (de) | 2001-06-14 |
| US20030091194A1 (en) | 2003-05-15 |
| DE19959156A1 (de) | 2001-06-28 |
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