ATE473502T1 - Mehrkanal-audiocodierung - Google Patents
Mehrkanal-audiocodierungInfo
- Publication number
- ATE473502T1 ATE473502T1 AT06711112T AT06711112T ATE473502T1 AT E473502 T1 ATE473502 T1 AT E473502T1 AT 06711112 T AT06711112 T AT 06711112T AT 06711112 T AT06711112 T AT 06711112T AT E473502 T1 ATE473502 T1 AT E473502T1
- Authority
- AT
- Austria
- Prior art keywords
- mix
- channel audio
- spatial
- parameters
- audio signal
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 5
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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- 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
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
-
- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereo-Broadcasting Methods (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05102515 | 2005-03-30 | ||
EP05103085 | 2005-04-18 | ||
PCT/IB2006/050822 WO2006103584A1 (en) | 2005-03-30 | 2006-03-16 | Multi-channel audio coding |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE473502T1 true ATE473502T1 (de) | 2010-07-15 |
Family
ID=36579565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT06711112T ATE473502T1 (de) | 2005-03-30 | 2006-03-16 | Mehrkanal-audiocodierung |
Country Status (11)
Country | Link |
---|---|
US (1) | US8346564B2 (de) |
EP (1) | EP1866912B1 (de) |
JP (1) | JP4610650B2 (de) |
KR (1) | KR101271069B1 (de) |
AT (1) | ATE473502T1 (de) |
BR (1) | BRPI0608945C8 (de) |
DE (1) | DE602006015294D1 (de) |
MX (1) | MX2007011915A (de) |
PL (1) | PL1866912T3 (de) |
RU (2) | RU2411594C2 (de) |
WO (1) | WO2006103584A1 (de) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2333137T3 (es) * | 2004-07-14 | 2010-02-17 | Koninklijke Philips Electronics N.V. | Conversion de canal de audio. |
CN101410891A (zh) | 2006-02-03 | 2009-04-15 | 韩国电子通信研究院 | 使用空间线索控制多目标或多声道音频信号的渲染的方法和装置 |
US9202509B2 (en) | 2006-09-12 | 2015-12-01 | Sonos, Inc. | Controlling and grouping in a multi-zone media system |
US8788080B1 (en) | 2006-09-12 | 2014-07-22 | Sonos, Inc. | Multi-channel pairing in a media system |
US8483853B1 (en) | 2006-09-12 | 2013-07-09 | Sonos, Inc. | Controlling and manipulating groupings in a multi-zone media system |
BRPI0715312B1 (pt) * | 2006-10-16 | 2021-05-04 | Koninklijke Philips Electrnics N. V. | Aparelhagem e método para transformação de parâmetros multicanais |
MY145497A (en) * | 2006-10-16 | 2012-02-29 | Dolby Sweden Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
KR101111520B1 (ko) * | 2006-12-07 | 2012-05-24 | 엘지전자 주식회사 | 오디오 처리 방법 및 장치 |
KR101422745B1 (ko) | 2007-03-30 | 2014-07-24 | 한국전자통신연구원 | 다채널로 구성된 다객체 오디오 신호의 인코딩 및 디코딩장치 및 방법 |
KR101505831B1 (ko) * | 2007-10-30 | 2015-03-26 | 삼성전자주식회사 | 멀티 채널 신호의 부호화/복호화 방법 및 장치 |
KR101449434B1 (ko) * | 2008-03-04 | 2014-10-13 | 삼성전자주식회사 | 복수의 가변장 부호 테이블을 이용한 멀티 채널 오디오를부호화/복호화하는 방법 및 장치 |
US8175295B2 (en) | 2008-04-16 | 2012-05-08 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal |
KR101061128B1 (ko) * | 2008-04-16 | 2011-08-31 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 이의 장치 |
EP2111062B1 (de) | 2008-04-16 | 2014-11-12 | LG Electronics Inc. | Verfahren und Vorrichtung zur Verarbeitung eines Audiosignals |
CN102065265B (zh) * | 2009-11-13 | 2012-10-17 | 华为终端有限公司 | 实现混音的方法、装置和系统 |
US11265652B2 (en) | 2011-01-25 | 2022-03-01 | Sonos, Inc. | Playback device pairing |
US11429343B2 (en) | 2011-01-25 | 2022-08-30 | Sonos, Inc. | Stereo playback configuration and control |
KR101767175B1 (ko) | 2011-03-18 | 2017-08-10 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 코딩에서의 프레임 요소 길이 전송 |
DK2691951T3 (en) | 2011-03-28 | 2016-11-14 | Dolby Laboratories Licensing Corp | TRANSFORMATION WITH REDUCED COMPLEXITY OF AN Low-Frequency |
EP2560161A1 (de) | 2011-08-17 | 2013-02-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Optimale Mischmatrizen und Verwendung von Dekorrelatoren in räumlicher Audioverarbeitung |
JP5930441B2 (ja) * | 2012-02-14 | 2016-06-08 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | マルチチャネルオーディオ信号の適応ダウン及びアップミキシングを実行するための方法及び装置 |
CN103368682B (zh) * | 2012-03-29 | 2016-12-07 | 华为技术有限公司 | 信号编码和解码的方法和设备 |
US9729115B2 (en) | 2012-04-27 | 2017-08-08 | Sonos, Inc. | Intelligently increasing the sound level of player |
US9008330B2 (en) | 2012-09-28 | 2015-04-14 | Sonos, Inc. | Crossover frequency adjustments for audio speakers |
PL3067890T3 (pl) * | 2013-01-29 | 2018-06-29 | Fraunhofer Ges Forschung | Koder audio, dekoder audio, sposób dostarczania zakodowanej informacji audio, sposób dostarczania zdekodowanej informacji audio, program komputerowy i zakodowana reprezentacja, wykorzystujące adaptacyjne względem sygnału powiększanie szerokości pasma |
BR112015025092B1 (pt) * | 2013-04-05 | 2022-01-11 | Dolby International Ab | Sistema de processamento de áudio e método para processar um fluxo de bits de áudio |
US9892737B2 (en) | 2013-05-24 | 2018-02-13 | Dolby International Ab | Efficient coding of audio scenes comprising audio objects |
CN110085240B (zh) | 2013-05-24 | 2023-05-23 | 杜比国际公司 | 包括音频对象的音频场景的高效编码 |
KR20150009474A (ko) * | 2013-07-15 | 2015-01-26 | 한국전자통신연구원 | 다채널 신호를 위한 인코더 및 인코딩 방법, 다채널 신호를 위한 디코더 및 디코딩 방법 |
EP2830053A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren und Computerprogramm mit restsignalbasierter Anpassung einer Beteiligung eines dekorrelierten Signals |
EP2830045A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Konzept zur Audiocodierung und Audiodecodierung für Audiokanäle und Audioobjekte |
EP2830047A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur verzögerungsarmen Codierung von Objektmetadaten |
EP2830050A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur verbesserten Codierung eines räumlichen Audioobjekts |
EP2840811A1 (de) * | 2013-07-22 | 2015-02-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Verarbeitung eines Audiosignals, Signalverarbeitungseinheit, binauraler Renderer, Audiocodierer und Audiodecodierer |
KR102381216B1 (ko) * | 2013-10-21 | 2022-04-08 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성 |
EP2866227A1 (de) * | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Dekodierung und Kodierung einer Downmix-Matrix, Verfahren zur Darstellung von Audioinhalt, Kodierer und Dekodierer für eine Downmix-Matrix, Audiokodierer und Audiodekodierer |
US9552819B2 (en) * | 2013-11-27 | 2017-01-24 | Dts, Inc. | Multiplet-based matrix mixing for high-channel count multichannel audio |
US9226087B2 (en) | 2014-02-06 | 2015-12-29 | Sonos, Inc. | Audio output balancing during synchronized playback |
US9226073B2 (en) | 2014-02-06 | 2015-12-29 | Sonos, Inc. | Audio output balancing during synchronized playback |
WO2015150384A1 (en) | 2014-04-01 | 2015-10-08 | Dolby International Ab | Efficient coding of audio scenes comprising audio objects |
US9948994B2 (en) | 2014-07-16 | 2018-04-17 | Crestron Electronics, Inc. | Transmission of digital audio signals using an internet protocol |
CN106796804B (zh) | 2014-10-02 | 2020-09-18 | 杜比国际公司 | 用于对话增强的解码方法和解码器 |
US10248376B2 (en) | 2015-06-11 | 2019-04-02 | Sonos, Inc. | Multiple groupings in a playback system |
GB2554065B (en) * | 2016-09-08 | 2022-02-23 | V Nova Int Ltd | Data processing apparatuses, methods, computer programs and computer-readable media |
US10712997B2 (en) | 2016-10-17 | 2020-07-14 | Sonos, Inc. | Room association based on name |
CN111034225B (zh) | 2017-08-17 | 2021-09-24 | 高迪奥实验室公司 | 使用立体混响信号的音频信号处理方法和装置 |
EP3896995B1 (de) * | 2020-04-17 | 2023-09-13 | Nokia Technologies Oy | Bereitstellung räumlicher audiosignale |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2047941C1 (ru) | 1992-03-17 | 1995-11-10 | Андрей Маркович Полыковский | Способ трансляции стереофонического сигнала |
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 |
US6694027B1 (en) * | 1999-03-09 | 2004-02-17 | Smart Devices, Inc. | Discrete multi-channel/5-2-5 matrix system |
MY123651A (en) | 1999-04-07 | 2006-05-31 | Dolby Laboratories Licensing Corp | Matrix improvements to lossless encoding and decoding |
US7266501B2 (en) * | 2000-03-02 | 2007-09-04 | Akiba Electronics Institute Llc | Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process |
RU2161868C1 (ru) | 2000-05-12 | 2001-01-10 | Федеральное государственное унитарное предприятие Научно-исследовательский институт радио Государственного комитета РФ по связи и информатизации | Способ трансляции стереофонического сигнала |
WO2004019656A2 (en) * | 2001-02-07 | 2004-03-04 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
BRPI0304540B1 (pt) | 2002-04-22 | 2017-12-12 | Koninklijke Philips N. V | Methods for coding an audio signal, and to decode an coded audio sign, encoder to codify an audio signal, codified audio sign, storage media, and, decoder to decode a coded audio sign |
JP4187719B2 (ja) * | 2002-05-03 | 2008-11-26 | ハーマン インターナショナル インダストリーズ インコーポレイテッド | マルチチャネル・ダウンミキシング装置 |
JP4322207B2 (ja) * | 2002-07-12 | 2009-08-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオ符号化方法 |
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 |
-
2006
- 2006-03-16 AT AT06711112T patent/ATE473502T1/de not_active IP Right Cessation
- 2006-03-16 RU RU2007139922/09A patent/RU2411594C2/ru active
- 2006-03-16 KR KR1020077025173A patent/KR101271069B1/ko active IP Right Grant
- 2006-03-16 WO PCT/IB2006/050822 patent/WO2006103584A1/en active Application Filing
- 2006-03-16 PL PL06711112T patent/PL1866912T3/pl unknown
- 2006-03-16 JP JP2008503632A patent/JP4610650B2/ja active Active
- 2006-03-16 MX MX2007011915A patent/MX2007011915A/es active IP Right Grant
- 2006-03-16 RU RU2007139918/09A patent/RU2407073C2/ru active
- 2006-03-16 DE DE602006015294T patent/DE602006015294D1/de active Active
- 2006-03-16 EP EP06711112A patent/EP1866912B1/de active Active
- 2006-03-16 US US11/909,730 patent/US8346564B2/en active Active
- 2006-03-16 BR BRPI0608945A patent/BRPI0608945C8/pt active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
BRPI0608945B1 (pt) | 2019-05-28 |
RU2407073C2 (ru) | 2010-12-20 |
BRPI0608945B8 (pt) | 2020-12-01 |
DE602006015294D1 (de) | 2010-08-19 |
US8346564B2 (en) | 2013-01-01 |
PL1866912T3 (pl) | 2011-03-31 |
RU2411594C2 (ru) | 2011-02-10 |
US20100153097A1 (en) | 2010-06-17 |
RU2007139918A (ru) | 2009-05-10 |
BRPI0608945C8 (pt) | 2020-12-22 |
WO2006103584A1 (en) | 2006-10-05 |
JP4610650B2 (ja) | 2011-01-12 |
JP2008535356A (ja) | 2008-08-28 |
BRPI0608945A2 (pt) | 2010-11-16 |
KR101271069B1 (ko) | 2013-06-04 |
MX2007011915A (es) | 2007-11-22 |
KR20070118161A (ko) | 2007-12-13 |
EP1866912B1 (de) | 2010-07-07 |
EP1866912A1 (de) | 2007-12-19 |
RU2007139922A (ru) | 2009-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE473502T1 (de) | Mehrkanal-audiocodierung | |
PL2088580T3 (pl) | Kodowanie sygnałów audio | |
MY163042A (en) | Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering | |
ATE456261T1 (de) | Audiokodierung und audiodekodierung | |
BRPI0608036A2 (pt) | dispositivo e método para a geração de um sinal estéreo codificado de uma peça de áudio ou fluxo de dados de áudio | |
MX2007003063A (es) | Codificacion combinada de audio que minimiza la distorsion perceptual. | |
HK1101634A1 (en) | Method and apparatus for coding and synthesizing multi-channel audio signal | |
MY178342A (en) | Coding of audio scenes | |
ATE531035T1 (de) | Parametrische verbundcodierung von audioquellen | |
ATE413792T1 (de) | Diffusschall-einhüllenden-formgebung für binaurale hinweis-codierungsverfahren und dergleichen | |
TW200737738A (en) | Apparatus and method for encoding and decoding signal | |
MY159022A (en) | Improved audio coding system using spectral hole filling | |
HK1106861A1 (en) | Individual channel temporal envelope shaping for binaural cue coding shcemes and the like | |
SG149871A1 (en) | Multichannel audio coding | |
TW200746045A (en) | Method for encoding and decoding multi-channel audio signal and apparatus thereof | |
EP1801783A4 (de) | Einrichtung für skalierbare codierung, einrichtung für skalierbare decodierung und verfahren dafür | |
TW200708108A (en) | Decoder architecture systems, apparatus and methods | |
ATE511691T1 (de) | Auf virtuellen quellenpositionsinformationen basierte quantisierung und dequantisierung von kanalniveauunterschieden | |
ATE547786T1 (de) | Codierungseinrichtung und codierungsverfahren | |
ATE480050T1 (de) | Kodierer, dekodierer, verfahren zum kodieren/dekodieren, maschinell lesbare medien und computerprogramm-elemente | |
WO2009038170A1 (ja) | 音声処理装置、音声処理方法、プログラム及び音楽・メロディ配信システム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |