JP5191886B2 - サイド情報を有するチャンネルの再構成 - Google Patents

サイド情報を有するチャンネルの再構成 Download PDF

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JP5191886B2
JP5191886B2 JP2008514770A JP2008514770A JP5191886B2 JP 5191886 B2 JP5191886 B2 JP 5191886B2 JP 2008514770 A JP2008514770 A JP 2008514770A JP 2008514770 A JP2008514770 A JP 2008514770A JP 5191886 B2 JP5191886 B2 JP 5191886B2
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channel
audio signals
audio
signal
command
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JP2008543227A (ja
JP2008543227A5 (enExample
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シーフェルト、アラン・ジェフリー
ビントン、マーク・ステュアート
ロビンソン、チャールズ・キト
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ドルビー ラボラトリーズ ライセンシング コーポレイション
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
JP2008514770A 2005-06-03 2006-05-26 サイド情報を有するチャンネルの再構成 Expired - Fee Related JP5191886B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US68710805P 2005-06-03 2005-06-03
US60/687,108 2005-06-03
US71183105P 2005-08-26 2005-08-26
US60/711,831 2005-08-26
PCT/US2006/020882 WO2006132857A2 (en) 2005-06-03 2006-05-26 Apparatus and method for encoding audio signals with decoding instructions

Publications (3)

Publication Number Publication Date
JP2008543227A JP2008543227A (ja) 2008-11-27
JP2008543227A5 JP2008543227A5 (enExample) 2009-07-30
JP5191886B2 true JP5191886B2 (ja) 2013-05-08

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US (2) US20080033732A1 (enExample)
EP (1) EP1927102A2 (enExample)
JP (1) JP5191886B2 (enExample)
KR (1) KR101251426B1 (enExample)
CN (1) CN101228575B (enExample)
AU (1) AU2006255662B2 (enExample)
BR (1) BRPI0611505A2 (enExample)
CA (1) CA2610430C (enExample)
IL (1) IL187724A (enExample)
MX (1) MX2007015118A (enExample)
MY (1) MY149255A (enExample)
TW (1) TWI424754B (enExample)
WO (1) WO2006132857A2 (enExample)

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AU2006255662A1 (en) 2006-12-14
AU2006255662B2 (en) 2012-08-23
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CA2610430A1 (en) 2006-12-14
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IL187724A (en) 2015-03-31
CN101228575B (zh) 2012-09-26
KR101251426B1 (ko) 2013-04-05
WO2006132857A3 (en) 2007-05-24
KR20080015886A (ko) 2008-02-20
BRPI0611505A2 (pt) 2010-09-08
TW200715901A (en) 2007-04-16
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US20080097750A1 (en) 2008-04-24
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