CA2610430C - Channel reconfiguration with side information - Google Patents

Channel reconfiguration with side information Download PDF

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Publication number
CA2610430C
CA2610430C CA2610430A CA2610430A CA2610430C CA 2610430 C CA2610430 C CA 2610430C CA 2610430 A CA2610430 A CA 2610430A CA 2610430 A CA2610430 A CA 2610430A CA 2610430 C CA2610430 C CA 2610430C
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CA
Canada
Prior art keywords
audio
audio signals
channel
instructions
signals
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.)
Expired - Fee Related
Application number
CA2610430A
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English (en)
French (fr)
Other versions
CA2610430A1 (en
Inventor
Alan Jeffrey Seefeldt
Mark Stuart Vinton
Charles Quito Robinson
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.)
Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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Publication of CA2610430A1 publication Critical patent/CA2610430A1/en
Application granted granted Critical
Publication of CA2610430C publication Critical patent/CA2610430C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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

Landscapes

  • 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)
CA2610430A 2005-06-03 2006-05-26 Channel reconfiguration with side information Expired - Fee Related CA2610430C (en)

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 (2)

Publication Number Publication Date
CA2610430A1 CA2610430A1 (en) 2006-12-14
CA2610430C true CA2610430C (en) 2016-02-23

Family

ID=37498915

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2610430A Expired - Fee Related CA2610430C (en) 2005-06-03 2006-05-26 Channel reconfiguration with side information

Country Status (13)

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

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TWI424754B (zh) 2014-01-21
US8280743B2 (en) 2012-10-02
AU2006255662B2 (en) 2012-08-23
BRPI0611505A2 (pt) 2010-09-08
EP1927102A2 (en) 2008-06-04
CA2610430A1 (en) 2006-12-14
MX2007015118A (es) 2008-02-14
MY149255A (en) 2013-07-31
IL187724A0 (en) 2008-08-07
CN101228575A (zh) 2008-07-23
JP2008543227A (ja) 2008-11-27
TW200715901A (en) 2007-04-16
JP5191886B2 (ja) 2013-05-08
US20080097750A1 (en) 2008-04-24
AU2006255662A1 (en) 2006-12-14
KR20080015886A (ko) 2008-02-20
WO2006132857A2 (en) 2006-12-14
US20080033732A1 (en) 2008-02-07
CN101228575B (zh) 2012-09-26
IL187724A (en) 2015-03-31
WO2006132857A3 (en) 2007-05-24
KR101251426B1 (ko) 2013-04-05

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