JP5363488B2 - マルチチャネル・オーディオのジョイント強化 - Google Patents

マルチチャネル・オーディオのジョイント強化 Download PDF

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JP5363488B2
JP5363488B2 JP2010525778A JP2010525778A JP5363488B2 JP 5363488 B2 JP5363488 B2 JP 5363488B2 JP 2010525778 A JP2010525778 A JP 2010525778A JP 2010525778 A JP2010525778 A JP 2010525778A JP 5363488 B2 JP5363488 B2 JP 5363488B2
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エリック ノルベル，
アニッセ タレブ，
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テレフオンアクチーボラゲット エル エム エリクソン（パブル）
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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
    • 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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
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  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2010525778A 2007-09-19 2008-04-17 マルチチャネル・オーディオのジョイント強化 Expired - Fee Related JP5363488B2 (ja)

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US96017507P 2007-09-19 2007-09-19
US60/960,175 2007-09-19
PCT/SE2008/000272 WO2009038512A1 (en) 2007-09-19 2008-04-17 Joint enhancement of multi-channel audio

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JP2010540985A JP2010540985A (ja) 2010-12-24
JP2010540985A5 JP2010540985A5 (https=) 2011-05-12
JP5363488B2 true JP5363488B2 (ja) 2013-12-11

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EP (1) EP2201566B1 (https=)
JP (1) JP5363488B2 (https=)
KR (1) KR101450940B1 (https=)
CN (1) CN101802907B (https=)
PL (1) PL2201566T3 (https=)
WO (1) WO2009038512A1 (https=)

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WO2009038512A1 (en) 2009-03-26
US20100322429A1 (en) 2010-12-23
CN101802907A (zh) 2010-08-11
KR20100063099A (ko) 2010-06-10
EP2201566A4 (en) 2011-09-28
US8218775B2 (en) 2012-07-10
EP2201566A1 (en) 2010-06-30
CN101802907B (zh) 2013-11-13
PL2201566T3 (pl) 2016-04-29
JP2010540985A (ja) 2010-12-24
EP2201566B1 (en) 2015-11-11
KR101450940B1 (ko) 2014-10-15

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