CN101103393B - 音频信号的可缩放编码/解码 - Google Patents

音频信号的可缩放编码/解码 Download PDF

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Publication number
CN101103393B
CN101103393B CN2006800021105A CN200680002110A CN101103393B CN 101103393 B CN101103393 B CN 101103393B CN 2006800021105 A CN2006800021105 A CN 2006800021105A CN 200680002110 A CN200680002110 A CN 200680002110A CN 101103393 B CN101103393 B CN 101103393B
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bitstream
waveform
component
bitstream component
audio signal
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Chinese (zh)
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CN101103393A (zh
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A·W·J·乌门
L·M·范德柯克霍夫
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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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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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN2006800021105A 2005-01-11 2006-01-06 音频信号的可缩放编码/解码 Expired - Lifetime CN101103393B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP05100124 2005-01-11
EP05100124.6 2005-01-11
EP05104571.4 2005-05-27
EP05104571 2005-05-27
PCT/IB2006/050055 WO2006075269A1 (en) 2005-01-11 2006-01-06 Scalable encoding/decoding of audio signals

Publications (2)

Publication Number Publication Date
CN101103393A CN101103393A (zh) 2008-01-09
CN101103393B true CN101103393B (zh) 2011-07-06

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CN2006800021105A Expired - Lifetime CN101103393B (zh) 2005-01-11 2006-01-06 音频信号的可缩放编码/解码

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US (1) US7937272B2 (https=)
EP (1) EP1839297B1 (https=)
JP (1) JP5542306B2 (https=)
CN (1) CN101103393B (https=)
BR (1) BRPI0606387B1 (https=)
PL (1) PL1839297T3 (https=)
WO (1) WO2006075269A1 (https=)

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EP1883067A1 (en) * 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
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CN105225667B (zh) * 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
JP5774490B2 (ja) * 2009-11-12 2015-09-09 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置、復号装置およびこれらの方法
CN102081927B (zh) * 2009-11-27 2012-07-18 中兴通讯股份有限公司 一种可分层音频编码、解码方法及系统
TWI516138B (zh) * 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
BR112013020852A2 (pt) * 2011-02-17 2016-10-18 Panasonic Corp dispositivo de codificação de vídeo, método de codificação de vídeo, programa de codificação de vídeo, dispositivo de reprodução de vídeo, método de reprodução de vídeo, e programa de reprodução de vídeo
US8577671B1 (en) 2012-07-20 2013-11-05 Veveo, Inc. Method of and system for using conversation state information in a conversational interaction system
US9465833B2 (en) 2012-07-31 2016-10-11 Veveo, Inc. Disambiguating user intent in conversational interaction system for large corpus information retrieval
JP6262668B2 (ja) * 2013-01-22 2018-01-17 パナソニック株式会社 帯域幅拡張パラメータ生成装置、符号化装置、復号装置、帯域幅拡張パラメータ生成方法、符号化方法、および、復号方法
CN104078048B (zh) * 2013-03-29 2017-05-03 北京天籁传音数字技术有限公司 一种声音解码装置及其方法
RU2639952C2 (ru) * 2013-08-28 2017-12-25 Долби Лабораторис Лайсэнзин Корпорейшн Гибридное усиление речи с кодированием формы сигнала и параметрическим кодированием
EP2922057A1 (en) * 2014-03-21 2015-09-23 Thomson Licensing Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal
EP2963646A1 (en) * 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal
US9852136B2 (en) 2014-12-23 2017-12-26 Rovi Guides, Inc. Systems and methods for determining whether a negation statement applies to a current or past query
US9854049B2 (en) 2015-01-30 2017-12-26 Rovi Guides, Inc. Systems and methods for resolving ambiguous terms in social chatter based on a user profile
TWI879690B (zh) * 2015-03-13 2025-04-01 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
ES2771200T3 (es) * 2016-02-17 2020-07-06 Fraunhofer Ges Forschung Postprocesador, preprocesador, codificador de audio, decodificador de audio y métodos relacionados para mejorar el procesamiento de transitorios
BR112021003104A2 (pt) 2018-08-21 2021-05-11 Dolby International Ab métodos, aparelho e sistemas para geração, transporte e processamento de quadros de reprodução imediata (ipfs)

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CN1218339A (zh) * 1997-11-20 1999-06-02 三星电子株式会社 可缩放的音频编码/解码方法和装置
WO2004114672A1 (en) * 2003-06-19 2004-12-29 Thomson Licensing S.A. Method and apparatus for low-complexity spatial scalable encoding

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US5886276A (en) * 1997-01-16 1999-03-23 The Board Of Trustees Of The Leland Stanford Junior University System and method for multiresolution scalable audio signal encoding
CN1218339A (zh) * 1997-11-20 1999-06-02 三星电子株式会社 可缩放的音频编码/解码方法和装置
WO2004114672A1 (en) * 2003-06-19 2004-12-29 Thomson Licensing S.A. Method and apparatus for low-complexity spatial scalable encoding

Also Published As

Publication number Publication date
JP2008527439A (ja) 2008-07-24
EP1839297B1 (en) 2018-11-14
JP5542306B2 (ja) 2014-07-09
BRPI0606387B1 (pt) 2019-11-26
PL1839297T3 (pl) 2019-05-31
US20080154615A1 (en) 2008-06-26
US7937272B2 (en) 2011-05-03
CN101103393A (zh) 2008-01-09
BRPI0606387A2 (pt) 2009-11-10
EP1839297A1 (en) 2007-10-03
WO2006075269A1 (en) 2006-07-20

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