MX2007011995A - Codificacion y decodificacion de audio. - Google Patents
Codificacion y decodificacion de audio.Info
- Publication number
- MX2007011995A MX2007011995A MX2007011995A MX2007011995A MX2007011995A MX 2007011995 A MX2007011995 A MX 2007011995A MX 2007011995 A MX2007011995 A MX 2007011995A MX 2007011995 A MX2007011995 A MX 2007011995A MX 2007011995 A MX2007011995 A MX 2007011995A
- Authority
- MX
- Mexico
- Prior art keywords
- signal
- channels
- improvement data
- data
- channel
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 claims abstract description 140
- 230000006872 improvement Effects 0.000 claims description 365
- 238000000034 method Methods 0.000 claims description 47
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000004044 response Effects 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 5
- 230000001172 regenerating effect Effects 0.000 claims 1
- 230000004048 modification Effects 0.000 description 60
- 238000012986 modification Methods 0.000 description 60
- 239000011159 matrix material Substances 0.000 description 52
- 230000009466 transformation Effects 0.000 description 49
- 238000010586 diagram Methods 0.000 description 17
- 238000013459 approach Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000004220 aggregation Methods 0.000 description 6
- 239000013598 vector Substances 0.000 description 6
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (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)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05102515 | 2005-03-30 | ||
| EP05103085 | 2005-04-18 | ||
| EP06100245 | 2006-01-11 | ||
| PCT/IB2006/050826 WO2006103586A1 (en) | 2005-03-30 | 2006-03-16 | Audio encoding and decoding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2007011995A true MX2007011995A (es) | 2007-12-07 |
Family
ID=36607294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2007011995A MX2007011995A (es) | 2005-03-30 | 2006-03-16 | Codificacion y decodificacion de audio. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US7840411B2 (enExample) |
| EP (1) | EP1866913B1 (enExample) |
| JP (1) | JP5106383B2 (enExample) |
| KR (2) | KR20130079627A (enExample) |
| CN (2) | CN101151660B (enExample) |
| AT (1) | ATE406651T1 (enExample) |
| BR (1) | BRPI0608756B1 (enExample) |
| DE (1) | DE602006002501D1 (enExample) |
| ES (1) | ES2313646T3 (enExample) |
| MX (1) | MX2007011995A (enExample) |
| WO (1) | WO2006103586A1 (enExample) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006035705A1 (ja) * | 2004-09-28 | 2006-04-06 | Matsushita Electric Industrial Co., Ltd. | 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 |
| DE602006014957D1 (de) * | 2005-04-28 | 2010-07-29 | Panasonic Corp | Audiocodierungseinrichtung und audiocodierungsverfahren |
| 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 |
| US7461106B2 (en) * | 2006-09-12 | 2008-12-02 | Motorola, Inc. | Apparatus and method for low complexity combinatorial coding of signals |
| BRPI0718738B1 (pt) | 2006-12-12 | 2023-05-16 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificador, decodificador e métodos para codificação e decodificação de segmentos de dados representando uma corrente de dados de domínio de tempo |
| US8576096B2 (en) * | 2007-10-11 | 2013-11-05 | Motorola Mobility Llc | Apparatus and method for low complexity combinatorial coding of signals |
| US8209190B2 (en) * | 2007-10-25 | 2012-06-26 | Motorola Mobility, Inc. | Method and apparatus for generating an enhancement layer within an audio coding system |
| US20090234642A1 (en) * | 2008-03-13 | 2009-09-17 | Motorola, Inc. | Method and Apparatus for Low Complexity Combinatorial Coding of Signals |
| US8639519B2 (en) * | 2008-04-09 | 2014-01-28 | Motorola Mobility Llc | Method and apparatus for selective signal coding based on core encoder performance |
| WO2010013450A1 (ja) * | 2008-07-29 | 2010-02-04 | パナソニック株式会社 | 音響符号化装置、音響復号化装置、音響符号化復号化装置および会議システム |
| US8200496B2 (en) * | 2008-12-29 | 2012-06-12 | Motorola Mobility, Inc. | Audio signal decoder and method for producing a scaled reconstructed audio signal |
| US8140342B2 (en) * | 2008-12-29 | 2012-03-20 | Motorola Mobility, Inc. | Selective scaling mask computation based on peak detection |
| US8175888B2 (en) | 2008-12-29 | 2012-05-08 | Motorola Mobility, Inc. | Enhanced layered gain factor balancing within a multiple-channel audio coding system |
| US8219408B2 (en) * | 2008-12-29 | 2012-07-10 | Motorola Mobility, Inc. | Audio signal decoder and method for producing a scaled reconstructed audio signal |
| ES2415155T3 (es) | 2009-03-17 | 2013-07-24 | Dolby International Ab | Codificación estéreo avanzada basada en una combinación de codificación estéreo izquierda/derecha o central/lateral seleccionable de manera adaptativa y de codificación estéreo paramétrica |
| US8423355B2 (en) * | 2010-03-05 | 2013-04-16 | Motorola Mobility Llc | Encoder for audio signal including generic audio and speech frames |
| US8428936B2 (en) * | 2010-03-05 | 2013-04-23 | Motorola Mobility Llc | Decoder for audio signal including generic audio and speech frames |
| WO2011151771A1 (en) * | 2010-06-02 | 2011-12-08 | Koninklijke Philips Electronics N.V. | System and method for sound processing |
| EP2691951B1 (en) | 2011-03-28 | 2016-08-24 | Dolby Laboratories Licensing Corporation | Reduced complexity transform for a low-frequency-effects channel |
| CN102802112B (zh) * | 2011-05-24 | 2014-08-13 | 鸿富锦精密工业（深圳）有限公司 | 具有音频文件格式转换功能的电子装置 |
| US9129600B2 (en) | 2012-09-26 | 2015-09-08 | Google Technology Holdings LLC | Method and apparatus for encoding an audio signal |
| TWI546799B (zh) | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
| EP2830045A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for audio encoding and decoding for audio channels and audio objects |
| WO2015011015A1 (en) | 2013-07-22 | 2015-01-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
| EP2830048A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for realizing a SAOC downmix of 3D audio content |
| EP2830334A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
| EP2830047A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for low delay object metadata coding |
| EP2830051A3 (en) * | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| CN103413553B (zh) * | 2013-08-20 | 2016-03-09 | 腾讯科技（深圳）有限公司 | 音频编码方法、音频解码方法、编码端、解码端和系统 |
| US9067135B2 (en) * | 2013-10-07 | 2015-06-30 | Voyetra Turtle Beach, Inc. | Method and system for dynamic control of game audio based on audio analysis |
| EP2879408A1 (en) * | 2013-11-28 | 2015-06-03 | Thomson Licensing | Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition |
| CN105206278A (zh) * | 2014-06-23 | 2015-12-30 | 张军 | 一种基于流水线的三维音频编码加速方法 |
| US10547960B2 (en) | 2014-09-01 | 2020-01-28 | Sony Semiconductor Solutions Corporation | Audio processing apparatus |
| US12154582B2 (en) | 2019-07-08 | 2024-11-26 | Voiceage Corporation | Method and system for coding metadata in audio streams and for efficient bitrate allocation to audio streams coding |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19628293C1 (de) * | 1996-07-12 | 1997-12-11 | Fraunhofer Ges Forschung | Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion |
| SG54379A1 (en) * | 1996-10-24 | 1998-11-16 | Sgs Thomson Microelectronics A | Audio decoder with an adaptive frequency domain downmixer |
| US5946352A (en) * | 1997-05-02 | 1999-08-31 | Texas Instruments Incorporated | Method and apparatus for downmixing decoded data streams in the frequency domain prior to conversion to the time domain |
| US6122619A (en) * | 1998-06-17 | 2000-09-19 | Lsi Logic Corporation | Audio decoder with programmable downmixing of MPEG/AC-3 and method therefor |
| US6539357B1 (en) * | 1999-04-29 | 2003-03-25 | Agere Systems Inc. | Technique for parametric coding of a signal containing information |
| SE519985C2 (sv) * | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
| EP1479071B1 (en) * | 2002-02-18 | 2006-01-11 | Koninklijke Philips Electronics N.V. | Parametric audio coding |
| DE60331535D1 (de) * | 2002-04-10 | 2010-04-15 | Koninkl Philips Electronics Nv | Kodierung und Dekodierung für mehrkanalige Signale |
| AU2003244932A1 (en) * | 2002-07-12 | 2004-02-02 | Koninklijke Philips Electronics N.V. | Audio coding |
| KR100528325B1 (ko) * | 2002-12-18 | 2005-11-15 | 삼성전자주식회사 | 비트율 조절이 가능한 스테레오 오디오 부호화 및복호화방법 및 그 장치 |
| 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 |
| US7394903B2 (en) * | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| SE0400998D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
| US7391870B2 (en) * | 2004-07-09 | 2008-06-24 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V | Apparatus and method for generating a multi-channel output signal |
| ES2387256T3 (es) * | 2004-07-14 | 2012-09-19 | Koninklijke Philips Electronics N.V. | Método, dispositivo, aparato codificador, aparato decodificador y sistema de audio |
| TWI393121B (zh) * | 2004-08-25 | 2013-04-11 | 杜比實驗室特許公司 | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
| SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| US7787631B2 (en) * | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
| US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| US7573912B2 (en) * | 2005-02-22 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. | Near-transparent or transparent multi-channel encoder/decoder scheme |
-
2006
- 2006-03-16 US US11/909,742 patent/US7840411B2/en active Active
- 2006-03-16 ES ES06727674T patent/ES2313646T3/es not_active Expired - Lifetime
- 2006-03-16 KR KR1020137014310A patent/KR20130079627A/ko not_active Withdrawn
- 2006-03-16 CN CN2006800106527A patent/CN101151660B/zh not_active Expired - Lifetime
- 2006-03-16 EP EP06727674A patent/EP1866913B1/en not_active Expired - Lifetime
- 2006-03-16 CN CN2006800102009A patent/CN101151658B/zh not_active Expired - Lifetime
- 2006-03-16 MX MX2007011995A patent/MX2007011995A/es active IP Right Grant
- 2006-03-16 BR BRPI0608756-6A patent/BRPI0608756B1/pt active IP Right Grant
- 2006-03-16 WO PCT/IB2006/050826 patent/WO2006103586A1/en not_active Ceased
- 2006-03-16 JP JP2008503634A patent/JP5106383B2/ja not_active Expired - Lifetime
- 2006-03-16 DE DE602006002501T patent/DE602006002501D1/de not_active Expired - Lifetime
- 2006-03-16 KR KR1020077025145A patent/KR101346120B1/ko not_active Expired - Lifetime
- 2006-03-16 AT AT06727674T patent/ATE406651T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008535015A (ja) | 2008-08-28 |
| CN101151658B (zh) | 2011-07-06 |
| ATE406651T1 (de) | 2008-09-15 |
| US20100153118A1 (en) | 2010-06-17 |
| CN101151660A (zh) | 2008-03-26 |
| EP1866913A1 (en) | 2007-12-19 |
| KR20130079627A (ko) | 2013-07-10 |
| CN101151658A (zh) | 2008-03-26 |
| CN101151660B (zh) | 2011-10-19 |
| JP5106383B2 (ja) | 2012-12-26 |
| ES2313646T3 (es) | 2009-03-01 |
| BRPI0608756A2 (pt) | 2011-03-15 |
| EP1866913B1 (en) | 2008-08-27 |
| BRPI0608756B1 (pt) | 2019-06-04 |
| DE602006002501D1 (de) | 2008-10-09 |
| KR101346120B1 (ko) | 2014-01-02 |
| KR20070116174A (ko) | 2007-12-06 |
| WO2006103586A1 (en) | 2006-10-05 |
| US7840411B2 (en) | 2010-11-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration |