TWI329461B - Method and apparatus for processing a media signal - Google Patents

Method and apparatus for processing a media signal

Info

Publication number
TWI329461B
TWI329461B TW096102405A TW96102405A TWI329461B TW I329461 B TWI329461 B TW I329461B TW 096102405 A TW096102405 A TW 096102405A TW 96102405 A TW96102405 A TW 96102405A TW I329461 B TWI329461 B TW I329461B
Authority
TW
Taiwan
Prior art keywords
processing
media signal
media
signal
Prior art date
Application number
TW096102405A
Other languages
English (en)
Other versions
TW200731831A (en
Inventor
Hyen O Oh
Hee Suk Pang
Dong Soo Kim
Jae Hyun Lin
Yang Won Jung
Original Assignee
Lg Electronics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of TW200731831A publication Critical patent/TW200731831A/zh
Application granted granted Critical
Publication of TWI329461B publication Critical patent/TWI329461B/zh

Links

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]

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)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (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)
TW096102405A 2006-01-19 2007-01-19 Method and apparatus for processing a media signal TWI329461B (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US75998006P 2006-01-19 2006-01-19
US77672406P 2006-02-27 2006-02-27
US77944106P 2006-03-07 2006-03-07
US77944206P 2006-03-07 2006-03-07
US77941706P 2006-03-07 2006-03-07
US78717206P 2006-03-30 2006-03-30
US78751606P 2006-03-31 2006-03-31

Publications (2)

Publication Number Publication Date
TW200731831A TW200731831A (en) 2007-08-16
TWI329461B true TWI329461B (en) 2010-08-21

Family

ID=38287846

Family Applications (7)

Application Number Title Priority Date Filing Date
TW98105568A TWI469133B (zh) 2006-01-19 2007-01-19 媒體訊號處理方法及裝置
TW096102405A TWI329461B (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal
TW096102403A TWI315864B (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal
TW096102407A TWI333642B (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal
TW096102410A TWI344638B (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal
TW096102406A TWI329462B (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal
TW096102411A TWI333386B (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW98105568A TWI469133B (zh) 2006-01-19 2007-01-19 媒體訊號處理方法及裝置

Family Applications After (5)

Application Number Title Priority Date Filing Date
TW096102403A TWI315864B (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal
TW096102407A TWI333642B (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal
TW096102410A TWI344638B (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal
TW096102406A TWI329462B (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal
TW096102411A TWI333386B (en) 2006-01-19 2007-01-19 Method and apparatus for processing a media signal

Country Status (11)

Country Link
US (6) US8411869B2 (zh)
EP (6) EP1979897B1 (zh)
JP (6) JP4695197B2 (zh)
KR (8) KR100953641B1 (zh)
AU (1) AU2007206195B2 (zh)
BR (1) BRPI0707136A2 (zh)
CA (1) CA2636494C (zh)
ES (3) ES2496571T3 (zh)
HK (1) HK1127433A1 (zh)
TW (7) TWI469133B (zh)
WO (6) WO2007083959A1 (zh)

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US20090274308A1 (en) 2009-11-05
TW200731831A (en) 2007-08-16
TW200731832A (en) 2007-08-16
US20090003611A1 (en) 2009-01-01
KR20080044866A (ko) 2008-05-21
US8351611B2 (en) 2013-01-08
AU2007206195A1 (en) 2007-07-26
ES2513265T3 (es) 2014-10-24
EP1979897B1 (en) 2013-08-21
JP4814343B2 (ja) 2011-11-16
TW200735037A (en) 2007-09-16
EP1979898B1 (en) 2014-08-06
KR20080044865A (ko) 2008-05-21
WO2007083952A1 (en) 2007-07-26
EP1979898A1 (en) 2008-10-15
EP1974347A4 (en) 2012-12-26
ES2496571T3 (es) 2014-09-19
JP2009524341A (ja) 2009-06-25
WO2007083959A1 (en) 2007-07-26
JP4814344B2 (ja) 2011-11-16
TW200731833A (en) 2007-08-16
CA2636494A1 (en) 2007-07-26
EP1979897A1 (en) 2008-10-15
WO2007083953A1 (en) 2007-07-26
EP1974348A4 (en) 2012-12-26
EP1974345A1 (en) 2008-10-01
BRPI0707136A2 (pt) 2011-04-19
TW200805254A (en) 2008-01-16
KR20070077134A (ko) 2007-07-25
US8488819B2 (en) 2013-07-16
JP4806031B2 (ja) 2011-11-02
US20090003635A1 (en) 2009-01-01
KR20080044867A (ko) 2008-05-21
KR100953643B1 (ko) 2010-04-20
TWI333386B (en) 2010-11-11
TWI329462B (en) 2010-08-21
EP1979898A4 (en) 2012-12-26
EP1974348B1 (en) 2013-07-24

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