WO2010087614A3 - 오디오 신호의 부호화 및 복호화 방법 및 그 장치 - Google Patents

오디오 신호의 부호화 및 복호화 방법 및 그 장치 Download PDF

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Publication number
WO2010087614A3
WO2010087614A3 PCT/KR2010/000495 KR2010000495W WO2010087614A3 WO 2010087614 A3 WO2010087614 A3 WO 2010087614A3 KR 2010000495 W KR2010000495 W KR 2010000495W WO 2010087614 A3 WO2010087614 A3 WO 2010087614A3
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WIPO (PCT)
Prior art keywords
decoding
encoding
audio signal
same
relates
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PCT/KR2010/000495
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English (en)
French (fr)
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WO2010087614A2 (ko
Inventor
주기현
김중희
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삼성전자주식회사
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Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to CN201080014179.6A priority Critical patent/CN102460570B/zh
Priority to EP10736005.9A priority patent/EP2393083B1/en
Priority to US13/254,119 priority patent/US8918324B2/en
Publication of WO2010087614A2 publication Critical patent/WO2010087614A2/ko
Publication of WO2010087614A3 publication Critical patent/WO2010087614A3/ko
Priority to US14/579,706 priority patent/US9466308B2/en

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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
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • 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 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

오디오 신호 또는 스피치 신호에 대한 부호화 및 복호화를 수행하는 방법 및 상기 방법이 채용된 장치가 개시된다.
PCT/KR2010/000495 2009-01-28 2010-01-27 오디오 신호의 부호화 및 복호화 방법 및 그 장치 WO2010087614A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201080014179.6A CN102460570B (zh) 2009-01-28 2010-01-27 用于对音频信号进行编码和解码的方法及设备
EP10736005.9A EP2393083B1 (en) 2009-01-28 2010-01-27 Method for decoding an audio signal
US13/254,119 US8918324B2 (en) 2009-01-28 2010-01-27 Method for decoding an audio signal based on coding mode and context flag
US14/579,706 US9466308B2 (en) 2009-01-28 2014-12-22 Method for encoding and decoding an audio signal and apparatus for same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20090006668 2009-01-28
KR10-2009-0006668 2009-01-28
KR1020100007067A KR101622950B1 (ko) 2009-01-28 2010-01-26 오디오 신호의 부호화 및 복호화 방법 및 그 장치
KR10-2010-0007067 2010-01-26

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/254,119 A-371-Of-International US8918324B2 (en) 2009-01-28 2010-01-27 Method for decoding an audio signal based on coding mode and context flag
US14/579,706 Continuation US9466308B2 (en) 2009-01-28 2014-12-22 Method for encoding and decoding an audio signal and apparatus for same

Publications (2)

Publication Number Publication Date
WO2010087614A2 WO2010087614A2 (ko) 2010-08-05
WO2010087614A3 true WO2010087614A3 (ko) 2010-11-04

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PCT/KR2010/000495 WO2010087614A2 (ko) 2009-01-28 2010-01-27 오디오 신호의 부호화 및 복호화 방법 및 그 장치

Country Status (5)

Country Link
US (2) US8918324B2 (ko)
EP (1) EP2393083B1 (ko)
KR (2) KR101622950B1 (ko)
CN (3) CN105679327B (ko)
WO (1) WO2010087614A2 (ko)

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US20110320196A1 (en) 2011-12-29
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CN102460570A (zh) 2012-05-16
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