TW200741650A - Method and apparatus for processing a audio signal - Google Patents

Method and apparatus for processing a audio signal

Info

Publication number
TW200741650A
TW200741650A TW096106318A TW96106318A TW200741650A TW 200741650 A TW200741650 A TW 200741650A TW 096106318 A TW096106318 A TW 096106318A TW 96106318 A TW96106318 A TW 96106318A TW 200741650 A TW200741650 A TW 200741650A
Authority
TW
Taiwan
Prior art keywords
signal
audio signal
processing
ancillary
extension
Prior art date
Application number
TW096106318A
Other languages
English (en)
Other versions
TWI333644B (en
Inventor
Hee-Suk Pang
Hyen-O Oh
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
Priority claimed from KR1020070013364A external-priority patent/KR20070087494A/ko
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of TW200741650A publication Critical patent/TW200741650A/zh
Application granted granted Critical
Publication of TWI333644B publication Critical patent/TWI333644B/zh

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439—Processing of audio elementary streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
TW096106318A 2006-02-23 2007-02-16 Method and apparatus for processing a audio signal TWI333644B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US77577506P 2006-02-23 2006-02-23
US79190706P 2006-04-14 2006-04-14
US80382506P 2006-06-02 2006-06-02
KR1020070013364A KR20070087494A (ko) 2006-02-23 2007-02-08 멀티 채널 오디오 신호의 디코딩 방법 및 장치

Publications (2)

Publication Number Publication Date
TW200741650A true TW200741650A (en) 2007-11-01
TWI333644B TWI333644B (en) 2010-11-21

Family

ID=39791275

Family Applications (5)

Application Number Title Priority Date Filing Date
TW096106319A TWI336599B (en) 2006-02-23 2007-02-16 Method and apparatus for processing a audio signal
TW096106321A TWI337341B (en) 2006-02-23 2007-02-16 Method and apparatus for processing a audio signal
TW096106320A TWI333795B (en) 2006-02-23 2007-02-16 Method and apparatus for processing a audio signal
TW096106318A TWI333644B (en) 2006-02-23 2007-02-16 Method and apparatus for processing a audio signal
TW098123546A TWI447707B (zh) 2006-02-23 2007-02-16 音頻訊號之處理方法及其裝置

Family Applications Before (3)

Application Number Title Priority Date Filing Date
TW096106319A TWI336599B (en) 2006-02-23 2007-02-16 Method and apparatus for processing a audio signal
TW096106321A TWI337341B (en) 2006-02-23 2007-02-16 Method and apparatus for processing a audio signal
TW096106320A TWI333795B (en) 2006-02-23 2007-02-16 Method and apparatus for processing a audio signal

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW098123546A TWI447707B (zh) 2006-02-23 2007-02-16 音頻訊號之處理方法及其裝置

Country Status (10)

Country Link
US (4) US7991494B2 (zh)
EP (4) EP1987597B1 (zh)
JP (4) JP5390197B2 (zh)
KR (5) KR100904438B1 (zh)
BR (1) BRPI0706488A2 (zh)
CA (1) CA2636330C (zh)
ES (4) ES2413807T3 (zh)
HK (1) HK1127825A1 (zh)
TW (5) TWI336599B (zh)
WO (1) WO2007097549A1 (zh)

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