WO2012165910A3 - 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 그 기록매체 및 이를 채용하는 멀티미디어 기기 - Google Patents

오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 그 기록매체 및 이를 채용하는 멀티미디어 기기 Download PDF

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Publication number
WO2012165910A3
WO2012165910A3 PCT/KR2012/004362 KR2012004362W WO2012165910A3 WO 2012165910 A3 WO2012165910 A3 WO 2012165910A3 KR 2012004362 W KR2012004362 W KR 2012004362W WO 2012165910 A3 WO2012165910 A3 WO 2012165910A3
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WIPO (PCT)
Prior art keywords
audio
band
encoding
sub
recording medium
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PCT/KR2012/004362
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English (en)
French (fr)
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WO2012165910A2 (ko
Inventor
포로브안톤
오시포브콘스탄틴
주기현
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삼성전자 주식회사
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 to MX2013014152A priority Critical patent/MX2013014152A/es
Priority to MX2015014526A priority patent/MX357875B/es
Priority to PL12791983T priority patent/PL2717264T3/pl
Priority to CN201280037719.1A priority patent/CN103733257B/zh
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to AU2012263093A priority patent/AU2012263093B2/en
Priority to CA2838170A priority patent/CA2838170C/en
Priority to US14/123,359 priority patent/US9361895B2/en
Priority to EP12791983.5A priority patent/EP2717264B1/en
Priority to JP2014513447A priority patent/JP6262649B2/ja
Publication of WO2012165910A2 publication Critical patent/WO2012165910A2/ko
Publication of WO2012165910A3 publication Critical patent/WO2012165910A3/ko
Priority to US15/142,594 priority patent/US9589569B2/en
Priority to AU2016256685A priority patent/AU2016256685B2/en
Priority to US15/450,672 priority patent/US9858934B2/en
Priority to AU2017228519A priority patent/AU2017228519B2/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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband 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
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

오디오 부호화방법은 오디오 스펙트럼에 대하여, 소정의 서브밴드 단위로 엔벨로프를 획득하는 단계; 상기 서브밴드 단위로, 상기 엔벨로프에 대하여 양자화하는 단계; 인접한 서브밴드에 대하여 양자화된 엔벨로프간의 차이값을 구하고, 이전 서브밴드의 차이값을 컨텍스트로 사용하여 현재 서브밴드의 차이값에 대하여 무손실 부호화를 수행하는 단계를 포함한다. 이에 따르면, 한정된 비트 범위에서 오디오 스펙트럼의 엔벨로프 정보를 부호화하는데 소요되는 비트수를 감소시킴으로써 실제 스펙트럼 성분을 부호화하는데 소요되는 비트수를 증가시킬 수 있다.
PCT/KR2012/004362 2011-06-01 2012-06-01 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 그 기록매체 및 이를 채용하는 멀티미디어 기기 WO2012165910A2 (ko)

Priority Applications (13)

Application Number Priority Date Filing Date Title
CA2838170A CA2838170C (en) 2011-06-01 2012-06-01 Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same
PL12791983T PL2717264T3 (pl) 2011-06-01 2012-06-01 Bazujące na pod-paśmie kodowanie obwiedni sygnału audio
CN201280037719.1A CN103733257B (zh) 2011-06-01 2012-06-01 音频编码方法和设备、音频解码方法和设备和采用音频编码方法和设备、音频解码方法和设备的多媒体装置
EP12791983.5A EP2717264B1 (en) 2011-06-01 2012-06-01 Sub-band-based encoding of the envelope of an audio signal
AU2012263093A AU2012263093B2 (en) 2011-06-01 2012-06-01 Audio-encoding method and apparatus, audio-decoding method and apparatus, recording medium thereof, and multimedia device employing same
MX2015014526A MX357875B (es) 2011-06-01 2012-06-01 Método y aparato de codificación de audio, método y aparato de decodificacion de audio, medio de grabación de los mismos y dispositivo multimedia que emplea los mismos.
US14/123,359 US9361895B2 (en) 2011-06-01 2012-06-01 Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same
MX2013014152A MX2013014152A (es) 2011-06-01 2012-06-01 Metodo y aparato de codificacion de audio, metodo y aparato de decodificacion de audio, medio de grabacion de los mismos y dispositivo multimedia que emplea los mismos.
JP2014513447A JP6262649B2 (ja) 2011-06-01 2012-06-01 オーディオ符号化方法及び記録媒体
US15/142,594 US9589569B2 (en) 2011-06-01 2016-04-29 Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same
AU2016256685A AU2016256685B2 (en) 2011-06-01 2016-11-08 Audio-encoding method and apparatus, audio-decoding method and apparatus, recording medium thereof, and multimedia device employing same
US15/450,672 US9858934B2 (en) 2011-06-01 2017-03-06 Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same
AU2017228519A AU2017228519B2 (en) 2011-06-01 2017-09-11 Audio-encoding method and apparatus, audio-decoding method and apparatus, recording medium thereof, and multimedia device employing same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2011121982/08A RU2464649C1 (ru) 2011-06-01 2011-06-01 Способ обработки звукового сигнала
RU2011-121982 2011-06-01

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US14/123,359 A-371-Of-International US9361895B2 (en) 2011-06-01 2012-06-01 Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same
US15/142,594 Continuation US9589569B2 (en) 2011-06-01 2016-04-29 Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same

Publications (2)

Publication Number Publication Date
WO2012165910A2 WO2012165910A2 (ko) 2012-12-06
WO2012165910A3 true WO2012165910A3 (ko) 2013-03-28

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Country Status (12)

Country Link
US (3) US9361895B2 (ko)
EP (1) EP2717264B1 (ko)
JP (2) JP6262649B2 (ko)
KR (2) KR102044006B1 (ko)
CN (3) CN103733257B (ko)
AU (3) AU2012263093B2 (ko)
CA (1) CA2838170C (ko)
MX (2) MX2013014152A (ko)
PL (1) PL2717264T3 (ko)
RU (1) RU2464649C1 (ko)
TW (3) TWI601130B (ko)
WO (1) WO2012165910A2 (ko)

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