HK1127825A1 - 處理音頻信號的方法和裝置 - Google Patents

處理音頻信號的方法和裝置

Info

Publication number
HK1127825A1
HK1127825A1 HK09105053.4A HK09105053A HK1127825A1 HK 1127825 A1 HK1127825 A1 HK 1127825A1 HK 09105053 A HK09105053 A HK 09105053A HK 1127825 A1 HK1127825 A1 HK 1127825A1
Authority
HK
Hong Kong
Prior art keywords
processing
audio signal
audio
signal
Prior art date
Application number
HK09105053.4A
Other languages
English (en)
Inventor
房熙錫
金東秀
林宰顯
吳賢午
鄭亮源
Original Assignee
電子株式會社
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
Priority claimed from PCT/KR2007/000866 external-priority patent/WO2007097550A1/en
Application filed by 電子株式會社 filed Critical 電子株式會社
Publication of HK1127825A1 publication Critical patent/HK1127825A1/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
    • 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 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
    • 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 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
    • G10L19/04—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)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
HK09105053.4A 2006-02-23 2009-06-05 處理音頻信號的方法和裝置 HK1127825A1 (zh)

Applications Claiming Priority (5)

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
PCT/KR2007/000866 WO2007097550A1 (en) 2006-02-23 2007-02-16 Method and apparatus for processing an audio signal

Publications (1)

Publication Number Publication Date
HK1127825A1 true HK1127825A1 (zh) 2009-10-09

Family

ID=39791275

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09105053.4A HK1127825A1 (zh) 2006-02-23 2009-06-05 處理音頻信號的方法和裝置

Country Status (10)

Country Link
US (4) US7974287B2 (zh)
EP (4) EP1987594B1 (zh)
JP (4) JP5394754B2 (zh)
KR (5) KR101276849B1 (zh)
BR (1) BRPI0706488A2 (zh)
CA (1) CA2636330C (zh)
ES (4) ES2391117T3 (zh)
HK (1) HK1127825A1 (zh)
TW (5) TWI333644B (zh)
WO (1) WO2007097549A1 (zh)

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