CA2636494C - Method and apparatus for processing a media signal - Google Patents

Method and apparatus for processing a media signal Download PDF

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Publication number
CA2636494C
CA2636494C CA2636494A CA2636494A CA2636494C CA 2636494 C CA2636494 C CA 2636494C CA 2636494 A CA2636494 A CA 2636494A CA 2636494 A CA2636494 A CA 2636494A CA 2636494 C CA2636494 C CA 2636494C
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Prior art keywords
information
rendering
signal
generating
channel
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CA2636494A
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English (en)
French (fr)
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CA2636494A1 (en
Inventor
Hyen O Oh
Hee Suck Pang
Dong Soo Kim
Jae Hyun Lim
Yang Won Jung
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LG Electronics Inc
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LG Electronics Inc
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Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • 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 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
  • Image Generation (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Television Systems (AREA)
CA2636494A 2006-01-19 2007-01-19 Method and apparatus for processing a media signal Active CA2636494C (en)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
US75998006P 2006-01-19 2006-01-19
US60/759,980 2006-01-19
US77672406P 2006-02-27 2006-02-27
US60/776,724 2006-02-27
US77944206P 2006-03-07 2006-03-07
US77944106P 2006-03-07 2006-03-07
US77941706P 2006-03-07 2006-03-07
US60/779,442 2006-03-07
US60/779,441 2006-03-07
US60/779,417 2006-03-07
US78717206P 2006-03-30 2006-03-30
US60/787,172 2006-03-30
US78751606P 2006-03-31 2006-03-31
US60/787,516 2006-03-31
PCT/KR2007/000349 WO2007083959A1 (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal

Publications (2)

Publication Number Publication Date
CA2636494A1 CA2636494A1 (en) 2007-07-26
CA2636494C true CA2636494C (en) 2014-02-18

Family

ID=38287846

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2636494A Active CA2636494C (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal

Country Status (10)

Country Link
US (6) US8351611B2 (enExample)
EP (6) EP1979898B1 (enExample)
JP (6) JP4787331B2 (enExample)
KR (8) KR20070077134A (enExample)
AU (1) AU2007206195B2 (enExample)
BR (1) BRPI0707136A2 (enExample)
CA (1) CA2636494C (enExample)
ES (3) ES2496571T3 (enExample)
TW (7) TWI315864B (enExample)
WO (6) WO2007083955A1 (enExample)

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TWI333386B (en) 2010-11-11
TWI333642B (en) 2010-11-21
EP1979898A4 (en) 2012-12-26
KR100953644B1 (ko) 2010-04-20
TW200805254A (en) 2008-01-16
US20080310640A1 (en) 2008-12-18

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