ES2327158T3 - Codificacion y decodificacion de audio. - Google Patents

Codificacion y decodificacion de audio. Download PDF

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Publication number
ES2327158T3
ES2327158T3 ES06766049T ES06766049T ES2327158T3 ES 2327158 T3 ES2327158 T3 ES 2327158T3 ES 06766049 T ES06766049 T ES 06766049T ES 06766049 T ES06766049 T ES 06766049T ES 2327158 T3 ES2327158 T3 ES 2327158T3
Authority
ES
Spain
Prior art keywords
data
decoder
hierarchical
channel
audio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES06766049T
Other languages
English (en)
Spanish (es)
Inventor
Erik G. P. Schuijers
Gerard H. Hotho
Heiko Purnhagen
Wolfgang A. Schildbach
Holger Hoerich
Hans M. Kjoerling
Karl J. Roden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Dolby Sweden AB
Original Assignee
Koninklijke Philips Electronics NV
Dolby Sweden AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV, Dolby Sweden AB filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of ES2327158T3 publication Critical patent/ES2327158T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G10L19/16—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
    • 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
    • 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

Landscapes

  • 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)
ES06766049T 2005-07-14 2006-07-07 Codificacion y decodificacion de audio. Active ES2327158T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05106466 2005-07-14
EP05106466 2005-07-14

Publications (1)

Publication Number Publication Date
ES2327158T3 true ES2327158T3 (es) 2009-10-26

Family

ID=37467582

Family Applications (2)

Application Number Title Priority Date Filing Date
ES06766049T Active ES2327158T3 (es) 2005-07-14 2006-07-07 Codificacion y decodificacion de audio.
ES09005485T Active ES2374309T3 (es) 2005-07-14 2006-07-07 Decodificación de audio.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES09005485T Active ES2374309T3 (es) 2005-07-14 2006-07-07 Decodificación de audio.

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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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
CN107710790B (zh) * 2015-06-24 2021-06-22 索尼公司 用于处理声音的装置、方法及程序
US10416954B2 (en) 2017-04-28 2019-09-17 Microsoft Technology Licensing, Llc Streaming of augmented/virtual reality spatial audio/video
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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
JP5097702B2 (ja) 2012-12-12
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
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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