CN102013256B - 用于生成多个输出音频通道的方法及设备 - Google Patents
用于生成多个输出音频通道的方法及设备 Download PDFInfo
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- CN102013256B CN102013256B CN2010102983019A CN201010298301A CN102013256B CN 102013256 B CN102013256 B CN 102013256B CN 2010102983019 A CN2010102983019 A CN 2010102983019A CN 201010298301 A CN201010298301 A CN 201010298301A CN 102013256 B CN102013256 B CN 102013256B
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- 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
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- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/233—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
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- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Amplifiers (AREA)
Abstract
Description
树码字 | 树 |
0...000 | 单声道到5.1变例A |
0...001 | 单声道到5.1变例B |
0...010 | 立体声到5.1变例A |
... | ... |
1...111 | ... |
比特串 | (虚拟)扬声器位置 |
0...000 | 左(前) |
0...001 | 右(前) |
0...010 | 中央 |
0...011 | LFE |
0...100 | 左环绕 |
0...101 | 右环绕 |
0...110 | 中央环绕 |
... | ... |
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05106466.5 | 2005-07-14 | ||
EP05106466 | 2005-07-14 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800255555A Division CN101223575B (zh) | 2005-07-14 | 2006-07-07 | 音频编码和解码 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102013256A CN102013256A (zh) | 2011-04-13 |
CN102013256B true CN102013256B (zh) | 2013-12-18 |
Family
ID=37467582
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CN2006800255555A Active CN101223575B (zh) | 2005-07-14 | 2006-07-07 | 音频编码和解码 |
CN2010102983019A Active CN102013256B (zh) | 2005-07-14 | 2006-07-07 | 用于生成多个输出音频通道的方法及设备 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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CN2006800255555A Active CN101223575B (zh) | 2005-07-14 | 2006-07-07 | 音频编码和解码 |
Country Status (14)
Country | Link |
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US (1) | US7966191B2 (zh) |
EP (2) | EP2088580B1 (zh) |
JP (2) | JP5097702B2 (zh) |
KR (2) | KR101496193B1 (zh) |
CN (2) | CN101223575B (zh) |
AT (2) | ATE433182T1 (zh) |
BR (1) | BRPI0613469A2 (zh) |
DE (1) | DE602006007139D1 (zh) |
ES (2) | ES2327158T3 (zh) |
HK (1) | HK1154984A1 (zh) |
MX (1) | MX2008000504A (zh) |
PL (2) | PL1902443T3 (zh) |
RU (2) | RU2418385C2 (zh) |
WO (1) | WO2007007263A2 (zh) |
Families Citing this family (26)
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WO2007007263A2 (en) * | 2005-07-14 | 2007-01-18 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
US7706905B2 (en) | 2005-07-29 | 2010-04-27 | Lg Electronics Inc. | Method for processing audio signal |
KR101218776B1 (ko) * | 2006-01-11 | 2013-01-18 | 삼성전자주식회사 | 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체 |
KR20080086549A (ko) | 2006-04-03 | 2008-09-25 | 엘지전자 주식회사 | 미디어 신호 처리 방법 및 장치 |
EP2109861B1 (en) * | 2007-01-10 | 2019-03-13 | Koninklijke Philips N.V. | Audio decoder |
EP2093757A4 (en) * | 2007-02-20 | 2012-02-22 | Panasonic Corp | MULTIPLEX DECODING DEVICE, MULTIPLEX DECODING METHOD, PROGRAM, AND SEMICONDUCTOR INTEGRATED CIRCUIT |
JP2010521866A (ja) * | 2007-03-16 | 2010-06-24 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号の処理方法及び装置 |
KR101464977B1 (ko) * | 2007-10-01 | 2014-11-25 | 삼성전자주식회사 | 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치 |
KR101566025B1 (ko) * | 2007-10-22 | 2015-11-05 | 한국전자통신연구원 | 다객체 오디오 부호화 및 복호화 방법과 그 장치 |
EP2353161B1 (en) * | 2008-10-29 | 2017-05-24 | Dolby International AB | Signal clipping protection using pre-existing audio gain metadata |
KR20110022251A (ko) * | 2009-08-27 | 2011-03-07 | 삼성전자주식회사 | 스테레오 오디오의 부호화, 복호화 방법 및 장치 |
PT2491553T (pt) | 2009-10-20 | 2017-01-20 | Fraunhofer Ges Forschung | Codificador de áudio, descodificador de áudio, método para codificar uma informação de áudio, método para descodificar uma informação de áudio e programa de computador que utiliza uma redução iterativa de tamanho de intervalo |
CN103854651B (zh) * | 2009-12-16 | 2017-04-12 | 杜比国际公司 | Sbr比特流参数缩混 |
CN102142924B (zh) * | 2010-02-03 | 2014-04-09 | 中兴通讯股份有限公司 | 一种多用途语音频编码传输方法和装置 |
JP5762620B2 (ja) | 2011-03-28 | 2015-08-12 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 低周波数エフェクトチャネルのための複雑さが低減された変換 |
IN2015MN01952A (zh) * | 2013-02-14 | 2015-08-28 | Dolby Lab Licensing Corp | |
WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
CN105393304B (zh) * | 2013-05-24 | 2019-05-28 | 杜比国际公司 | 音频编码和解码方法、介质以及音频编码器和解码器 |
TWI671734B (zh) * | 2013-09-12 | 2019-09-11 | 瑞典商杜比國際公司 | 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置及編碼裝置的音訊系統 |
BR112016008817B1 (pt) | 2013-10-21 | 2022-03-22 | Dolby International Ab | Método para reconstruir um sinal de áudio de n canais, sistema de decodificação de áudio, método para codificar um sinal de áudio de n canais e sistema de codificação de áudio |
MX354832B (es) | 2013-10-21 | 2018-03-21 | Dolby Int Ab | Estructura de decorrelador para la reconstruccion parametrica de señales de audio. |
EP2866475A1 (en) | 2013-10-23 | 2015-04-29 | Thomson Licensing | Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups |
JP6640849B2 (ja) * | 2014-10-31 | 2020-02-05 | ドルビー・インターナショナル・アーベー | マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード |
BR122022019910B1 (pt) * | 2015-06-24 | 2024-03-12 | Sony Corporation | Aparelho e método de processamento de áudio, e, meio de armazenamento não transitório legível por computador |
US10416954B2 (en) | 2017-04-28 | 2019-09-17 | Microsoft Technology Licensing, Llc | Streaming of augmented/virtual reality spatial audio/video |
Citations (1)
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EP1536410A1 (en) * | 2003-11-26 | 2005-06-01 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding/decoding MPEG-4 BSAC audio bitstream having ancillary information |
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JP3298478B2 (ja) * | 1997-11-10 | 2002-07-02 | 日本電気株式会社 | Mpeg復号装置 |
JPH11330980A (ja) * | 1998-05-13 | 1999-11-30 | Matsushita Electric Ind Co Ltd | 復号装置及びその復号方法、並びにその復号の手順を記録した記録媒体 |
JP2001268697A (ja) * | 2000-03-22 | 2001-09-28 | Sony Corp | データ伝送システム、データ伝送装置、データ伝送方法 |
WO2004019656A2 (en) | 2001-02-07 | 2004-03-04 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
US6996523B1 (en) * | 2001-02-13 | 2006-02-07 | Hughes Electronics Corporation | Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system |
SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
ES2323294T3 (es) * | 2002-04-22 | 2009-07-10 | Koninklijke Philips Electronics N.V. | Dispositivo de decodificacion con una unidad de decorrelacion. |
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 |
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 |
US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
FR2852172A1 (fr) * | 2003-03-04 | 2004-09-10 | France Telecom | Procede et dispositif de reconstruction spectrale d'un signal audio |
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 |
JPWO2005081229A1 (ja) * | 2004-02-25 | 2007-10-25 | 松下電器産業株式会社 | オーディオエンコーダ及びオーディオデコーダ |
RU2396608C2 (ru) * | 2004-04-05 | 2010-08-10 | Конинклейке Филипс Электроникс Н.В. | Способ, устройство, кодирующее устройство, декодирующее устройство и аудиосистема |
US7949518B2 (en) * | 2004-04-28 | 2011-05-24 | Panasonic Corporation | Hierarchy encoding apparatus and hierarchy encoding method |
WO2007007263A2 (en) * | 2005-07-14 | 2007-01-18 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
JP5321820B2 (ja) * | 2009-04-23 | 2013-10-23 | セイコーエプソン株式会社 | 用紙搬送装置 |
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2006
- 2006-07-07 WO PCT/IB2006/052309 patent/WO2007007263A2/en active Application Filing
- 2006-07-07 BR BRPI0613469-6A patent/BRPI0613469A2/pt not_active Application Discontinuation
- 2006-07-07 EP EP09005485A patent/EP2088580B1/en active Active
- 2006-07-07 DE DE602006007139T patent/DE602006007139D1/de active Active
- 2006-07-07 CN CN2006800255555A patent/CN101223575B/zh active Active
- 2006-07-07 MX MX2008000504A patent/MX2008000504A/es active IP Right Grant
- 2006-07-07 AT AT06766049T patent/ATE433182T1/de not_active IP Right Cessation
- 2006-07-07 PL PL06766049T patent/PL1902443T3/pl unknown
- 2006-07-07 ES ES06766049T patent/ES2327158T3/es active Active
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- 2006-07-07 JP JP2008521009A patent/JP5097702B2/ja active Active
- 2006-07-07 CN CN2010102983019A patent/CN102013256B/zh active Active
- 2006-07-07 KR KR1020107024547A patent/KR101492826B1/ko active IP Right Grant
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Patent Citations (1)
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EP1536410A1 (en) * | 2003-11-26 | 2005-06-01 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding/decoding MPEG-4 BSAC audio bitstream having ancillary information |
Non-Patent Citations (1)
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