JP4787331B2 - メディア信号の処理方法及び装置 - Google Patents

メディア信号の処理方法及び装置 Download PDF

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JP4787331B2
JP4787331B2 JP2008551196A JP2008551196A JP4787331B2 JP 4787331 B2 JP4787331 B2 JP 4787331B2 JP 2008551196 A JP2008551196 A JP 2008551196A JP 2008551196 A JP2008551196 A JP 2008551196A JP 4787331 B2 JP4787331 B2 JP 4787331B2
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information
rendering
domain
signal
filter
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JP2009524339A (ja
Inventor
オ オー，ヒェン
スク パン，ヒー
スー キム，ドン
ヒュン リム，ジェ
ウォン ジュン，ヤン
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LG Electronics Inc
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LG Electronics Inc
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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
    • 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)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
  • Image Generation (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
JP2008551196A 2006-01-19 2007-01-19 メディア信号の処理方法及び装置 Active JP4787331B2 (ja)

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
US77941706P 2006-03-07 2006-03-07
US77944106P 2006-03-07 2006-03-07
US60/779,417 2006-03-07
US60/779,441 2006-03-07
US60/779,442 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/KR2007/000346 WO2007083956A1 (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal

Publications (2)

Publication Number Publication Date
JP2009524339A JP2009524339A (ja) 2009-06-25
JP4787331B2 true JP4787331B2 (ja) 2011-10-05

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JP2008551199A Active JP4695197B2 (ja) 2006-01-19 2007-01-19 メディア信号の処理方法及び装置
JP2008551194A Active JP4814344B2 (ja) 2006-01-19 2007-01-19 メディア信号の処理方法及び装置
JP2008551200A Active JP4806031B2 (ja) 2006-01-19 2007-01-19 メディア信号の処理方法及び装置
JP2008551195A Active JP4801174B2 (ja) 2006-01-19 2007-01-19 メディア信号の処理方法及び装置
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JP2008551200A Active JP4806031B2 (ja) 2006-01-19 2007-01-19 メディア信号の処理方法及び装置
JP2008551195A Active JP4801174B2 (ja) 2006-01-19 2007-01-19 メディア信号の処理方法及び装置
JP2008551193A Active JP4814343B2 (ja) 2006-01-19 2007-01-19 メディア信号の処理方法及び装置

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US (6) US8411869B2 (enExample)
EP (6) EP1974347B1 (enExample)
JP (6) JP4787331B2 (enExample)
KR (8) KR100953640B1 (enExample)
AU (1) AU2007206195B2 (enExample)
BR (1) BRPI0707136A2 (enExample)
CA (1) CA2636494C (enExample)
ES (3) ES2496571T3 (enExample)
TW (7) TWI469133B (enExample)
WO (6) WO2007083956A1 (enExample)

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EP1974347B1 (en) 2014-08-06
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TW200731831A (en) 2007-08-16
KR20080044869A (ko) 2008-05-21
JP2009524340A (ja) 2009-06-25
KR100953640B1 (ko) 2010-04-20
TWI329462B (en) 2010-08-21
WO2007083955A1 (en) 2007-07-26
TW200939208A (en) 2009-09-16
HK1127433A1 (en) 2009-09-25
KR20080046185A (ko) 2008-05-26
ES2446245T3 (es) 2014-03-06
KR100953642B1 (ko) 2010-04-20
EP1974346A4 (en) 2012-12-26
JP4801174B2 (ja) 2011-10-26
AU2007206195B2 (en) 2011-03-10
WO2007083953A1 (en) 2007-07-26
TWI333386B (en) 2010-11-11
US20090028344A1 (en) 2009-01-29
US20090274308A1 (en) 2009-11-05
US8411869B2 (en) 2013-04-02
EP1979898B1 (en) 2014-08-06
US8521313B2 (en) 2013-08-27
US8488819B2 (en) 2013-07-16
ES2496571T3 (es) 2014-09-19
JP2009524338A (ja) 2009-06-25
TW200731832A (en) 2007-08-16
JP4814343B2 (ja) 2011-11-16
KR100953644B1 (ko) 2010-04-20
JP2009524339A (ja) 2009-06-25
US8351611B2 (en) 2013-01-08
EP1974347A4 (en) 2012-12-26
TW200805255A (en) 2008-01-16
KR20080044865A (ko) 2008-05-21
EP1979898A4 (en) 2012-12-26
TWI333642B (en) 2010-11-21
EP1974345A1 (en) 2008-10-01
KR100953643B1 (ko) 2010-04-20
WO2007083952A1 (en) 2007-07-26
EP1979897B1 (en) 2013-08-21
EP1974348A4 (en) 2012-12-26
EP1974346B1 (en) 2013-10-02
TW200735037A (en) 2007-09-16
BRPI0707136A2 (pt) 2011-04-19
KR20070077134A (ko) 2007-07-25

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