JP5542306B2 - オーディオ信号のスケーラブル符号化及び復号 - Google Patents

オーディオ信号のスケーラブル符号化及び復号 Download PDF

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JP5542306B2
JP5542306B2 JP2007550000A JP2007550000A JP5542306B2 JP 5542306 B2 JP5542306 B2 JP 5542306B2 JP 2007550000 A JP2007550000 A JP 2007550000A JP 2007550000 A JP2007550000 A JP 2007550000A JP 5542306 B2 JP5542306 B2 JP 5542306B2
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bitstream
component
waveform
audio signal
bit stream
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JP2008527439A (ja
JP2008527439A5 (https=
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アーノルダス ダブリュ ジェイ オーメン
デ ケルクホフ レオン エム ファン
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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)
JP2007550000A 2005-01-11 2006-01-06 オーディオ信号のスケーラブル符号化及び復号 Expired - Lifetime JP5542306B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP05100124.6 2005-01-11
EP05100124 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 (3)

Publication Number Publication Date
JP2008527439A JP2008527439A (ja) 2008-07-24
JP2008527439A5 JP2008527439A5 (https=) 2009-02-19
JP5542306B2 true JP5542306B2 (ja) 2014-07-09

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JP2007550000A Expired - Lifetime JP5542306B2 (ja) 2005-01-11 2006-01-06 オーディオ信号のスケーラブル符号化及び復号

Country Status (7)

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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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BR122019023947B1 (pt) * 2009-03-17 2021-04-06 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
EP2500901B1 (en) * 2009-11-12 2018-09-19 III Holdings 12, LLC Audio encoder apparatus and audio encoding method
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
WO2012111325A1 (ja) * 2011-02-17 2012-08-23 パナソニック株式会社 映像符号化装置、映像符号化方法、映像符号化プログラム、映像再生装置、映像再生方法及び映像再生プログラム
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
EP2950308B1 (en) * 2013-01-22 2020-02-19 Panasonic Corporation Bandwidth expansion parameter-generator, encoder, decoder, bandwidth expansion parameter-generating method, encoding method, and decoding method
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
CN110890101B (zh) * 2013-08-28 2024-01-12 杜比实验室特许公司 用于基于语音增强元数据进行解码的方法和设备
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
EP2963648A1 (en) * 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio processor and method for processing an audio signal using vertical phase correction
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
TWI693594B (zh) * 2015-03-13 2020-05-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
AU2017219696B2 (en) * 2016-02-17 2018-11-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
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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Also Published As

Publication number Publication date
WO2006075269A1 (en) 2006-07-20
BRPI0606387A2 (pt) 2009-11-10
US20080154615A1 (en) 2008-06-26
JP2008527439A (ja) 2008-07-24
CN101103393B (zh) 2011-07-06
CN101103393A (zh) 2008-01-09
EP1839297A1 (en) 2007-10-03
US7937272B2 (en) 2011-05-03
EP1839297B1 (en) 2018-11-14
BRPI0606387B1 (pt) 2019-11-26
PL1839297T3 (pl) 2019-05-31

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