JP5097702B2 - オーディオエンコード及びデコード - Google Patents

オーディオエンコード及びデコード Download PDF

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Publication number
JP5097702B2
JP5097702B2 JP2008521009A JP2008521009A JP5097702B2 JP 5097702 B2 JP5097702 B2 JP 5097702B2 JP 2008521009 A JP2008521009 A JP 2008521009A JP 2008521009 A JP2008521009 A JP 2008521009A JP 5097702 B2 JP5097702 B2 JP 5097702B2
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Japan
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channel
data
decoder
audio
channels
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JP2008521009A
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Japanese (ja)
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JP2009501354A5 (https=
JP2009501354A (ja
Inventor
エリック ジー ピー スハイゥイェルス
ヘラルト エイチ ホト
ハイコ プルンハーゲン
ヴォルフガンク エイ シルドバッハ
ホルゲル ホーリッヒ
ハンス エム ケイ キョーリング
カール ジェイ ローデーン
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Dolby International AB
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Dolby International AB
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/233Processing of audio elementary streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application 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)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Amplifiers (AREA)
JP2008521009A 2005-07-14 2006-07-07 オーディオエンコード及びデコード Active JP5097702B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05106466 2005-07-14
EP05106466.5 2005-07-14
PCT/IB2006/052309 WO2007007263A2 (en) 2005-07-14 2006-07-07 Audio encoding and decoding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010254409A Division JP5269039B2 (ja) 2005-07-14 2010-11-15 オーディオエンコード及びデコード

Publications (3)

Publication Number Publication Date
JP2009501354A JP2009501354A (ja) 2009-01-15
JP2009501354A5 JP2009501354A5 (https=) 2009-08-20
JP5097702B2 true JP5097702B2 (ja) 2012-12-12

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ID=37467582

Family Applications (2)

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JP2008521009A Active JP5097702B2 (ja) 2005-07-14 2006-07-07 オーディオエンコード及びデコード
JP2010254409A Active JP5269039B2 (ja) 2005-07-14 2010-11-15 オーディオエンコード及びデコード

Family Applications After (1)

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JP2010254409A Active JP5269039B2 (ja) 2005-07-14 2010-11-15 オーディオエンコード及びデコード

Country Status (13)

Country Link
US (1) US7966191B2 (https=)
EP (2) EP2088580B1 (https=)
JP (2) JP5097702B2 (https=)
KR (2) KR101496193B1 (https=)
CN (2) CN102013256B (https=)
AT (2) ATE523877T1 (https=)
BR (1) BRPI0613469A2 (https=)
DE (1) DE602006007139D1 (https=)
ES (2) ES2327158T3 (https=)
MX (1) MX2008000504A (https=)
PL (2) PL1902443T3 (https=)
RU (2) RU2418385C2 (https=)
WO (1) WO2007007263A2 (https=)

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KR101218776B1 (ko) 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
KR20070099456A (ko) 2006-04-03 2007-10-09 엘지전자 주식회사 미디어 신호 처리 방법 및 장치
MX2009007412A (es) * 2007-01-10 2009-07-17 Koninkl Philips Electronics Nv Decodificador de audio.
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KR20080084757A (ko) * 2007-03-16 2008-09-19 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
CN101911180A (zh) * 2007-10-22 2010-12-08 韩国电子通信研究院 多对象音频编码和解码方法以及其设备
JP5603339B2 (ja) * 2008-10-29 2014-10-08 ドルビー インターナショナル アーベー 既存のオーディオゲインメタデータを使用した信号のクリッピングの保護
KR20110022251A (ko) * 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
BR122022013454B1 (pt) 2009-10-20 2023-05-16 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador de áudio, decodificador de áudio, método para codificar uma informação de áudio, método para decodificar uma informação de áudio que utiliza uma detecção de um grupo de valores espectrais previamente decodificados
JP5298245B2 (ja) * 2009-12-16 2013-09-25 ドルビー インターナショナル アーベー Sbrビットストリームパラメータダウンミックス
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
CN103415883B (zh) 2011-03-28 2015-11-25 杜比实验室特许公司 用于低频效果声道的减少复杂性变换
EP2956935B1 (en) * 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
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
WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
CN110223702B (zh) 2013-05-24 2023-04-11 杜比国际公司 音频解码系统和重构方法
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
CA2926243C (en) 2013-10-21 2018-01-23 Lars Villemoes Decorrelator structure for parametric reconstruction of audio signals
JP6479786B2 (ja) 2013-10-21 2019-03-06 ドルビー・インターナショナル・アーベー オーディオ信号のパラメトリック再構成
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
BR112017008015B1 (pt) * 2014-10-31 2023-11-14 Dolby International Ab Métodos e sistemas de decodificação e codificação de áudio
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Also Published As

Publication number Publication date
BRPI0613469A2 (pt) 2012-11-06
RU2418385C2 (ru) 2011-05-10
EP2088580B1 (en) 2011-09-07
EP1902443B1 (en) 2009-06-03
EP2088580A2 (en) 2009-08-12
JP5269039B2 (ja) 2013-08-21
MX2008000504A (es) 2008-03-07
KR20100134084A (ko) 2010-12-22
WO2007007263A2 (en) 2007-01-18
ATE433182T1 (de) 2009-06-15
US7966191B2 (en) 2011-06-21
PL2088580T3 (pl) 2012-07-31
RU2461078C2 (ru) 2012-09-10
ES2374309T3 (es) 2012-02-15
EP1902443A2 (en) 2008-03-26
DE602006007139D1 (de) 2009-07-16
WO2007007263A3 (en) 2007-03-29
RU2010137467A (ru) 2012-03-20
ES2327158T3 (es) 2009-10-26
EP2088580A3 (en) 2009-08-19
CN102013256B (zh) 2013-12-18
JP2011059711A (ja) 2011-03-24
KR101492826B1 (ko) 2015-02-13
HK1154984A1 (en) 2012-05-04
CN102013256A (zh) 2011-04-13
KR20080037672A (ko) 2008-04-30
CN101223575B (zh) 2011-09-21
ATE523877T1 (de) 2011-09-15
PL1902443T3 (pl) 2009-12-31
KR101496193B1 (ko) 2015-02-26
US20080255856A1 (en) 2008-10-16
RU2008105556A (ru) 2009-08-20
CN101223575A (zh) 2008-07-16
JP2009501354A (ja) 2009-01-15

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