WO2013058634A3 - 에너지 무손실 부호화방법 및 장치, 오디오 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 오디오 복호화방법 및 장치 - Google Patents

에너지 무손실 부호화방법 및 장치, 오디오 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 오디오 복호화방법 및 장치 Download PDF

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Publication number
WO2013058634A3
WO2013058634A3 PCT/KR2012/008688 KR2012008688W WO2013058634A3 WO 2013058634 A3 WO2013058634 A3 WO 2013058634A3 KR 2012008688 W KR2012008688 W KR 2012008688W WO 2013058634 A3 WO2013058634 A3 WO 2013058634A3
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audio
encoding method
decoding method
lossless energy
lossless
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PCT/KR2012/008688
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English (en)
French (fr)
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WO2013058634A2 (ko
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주기현
오은미
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삼성전자 주식회사
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Priority to EP12842197.1A priority Critical patent/EP2767977A4/en
Priority to CN201280063986.6A priority patent/CN104025190B/zh
Priority to JP2014537001A priority patent/JP6088532B2/ja
Priority to MX2014004797A priority patent/MX2014004797A/es
Publication of WO2013058634A2 publication Critical patent/WO2013058634A2/ko
Publication of WO2013058634A3 publication Critical patent/WO2013058634A3/ko

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    • 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
    • G10L19/02—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
    • 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
    • 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
    • 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
    • G10L19/035—Scalar quantisation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

무손실 부호화방법은, 양자화 계수의 무손실 부호화 모드를 무한 범위 무손실 부호화 모드와 유한 범위 무손실 부호화 모드 중 하나로 결정하는 단계; 상기 무손실 부호화 모드 결정 결과에 대응하여, 상기 양자화 계수를 무한 범위 무손실 부호화 모드로 부호화하는 단계; 및 상기 무손실 부호화 모드 결정 결과에 대응하여, 상기 양자화 계수를 유한 범위 무손실 부호화 모드로 부호화하는 단계를 포함할 수 있다.
PCT/KR2012/008688 2011-10-21 2012-10-22 에너지 무손실 부호화방법 및 장치, 오디오 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 오디오 복호화방법 및 장치 WO2013058634A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12842197.1A EP2767977A4 (en) 2011-10-21 2012-10-22 METHOD AND DEVICE FOR LOSS-FREE ENERGY CODING, AUDIO CODING METHOD AND DEVICE, METHOD AND APPARATUS FOR LOSS-FREE ENERGY DECODING AND AUDIO CODING METHOD AND DEVICE
CN201280063986.6A CN104025190B (zh) 2011-10-21 2012-10-22 能量无损编码方法和设备、音频编码方法和设备、能量无损解码方法和设备、以及音频解码方法和设备
JP2014537001A JP6088532B2 (ja) 2011-10-21 2012-10-22 無損失符号化方法
MX2014004797A MX2014004797A (es) 2011-10-21 2012-10-22 Método y aparato de codificación sin perdida de energia, método y aparato de codificación de audio, método y aparato de decodificación sin perdida de energia y método y aparato de decodificación de audio.

Applications Claiming Priority (2)

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US201161549942P 2011-10-21 2011-10-21
US61/549,942 2011-10-21

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WO2013058634A2 WO2013058634A2 (ko) 2013-04-25
WO2013058634A3 true WO2013058634A3 (ko) 2013-06-13

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PCT/KR2012/008688 WO2013058634A2 (ko) 2011-10-21 2012-10-22 에너지 무손실 부호화방법 및 장치, 오디오 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 오디오 복호화방법 및 장치

Country Status (8)

Country Link
US (4) US20130110522A1 (ko)
EP (1) EP2767977A4 (ko)
JP (2) JP6088532B2 (ko)
KR (3) KR102070429B1 (ko)
CN (3) CN104025190B (ko)
MX (1) MX2014004797A (ko)
TW (2) TWI671736B (ko)
WO (1) WO2013058634A2 (ko)

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CN104025190B (zh) 2017-06-09
KR20130044193A (ko) 2013-05-02
CN106941003B (zh) 2021-01-26
TW201324500A (zh) 2013-06-16
CN104025190A (zh) 2014-09-03
JP2015502561A (ja) 2015-01-22
TWI671736B (zh) 2019-09-11
MX2014004797A (es) 2014-09-22
CN107025909B (zh) 2020-12-29
TWI585749B (zh) 2017-06-01
CN106941003A (zh) 2017-07-11
US11355129B2 (en) 2022-06-07
KR102070429B1 (ko) 2020-01-28
EP2767977A4 (en) 2015-04-29
JP6088532B2 (ja) 2017-03-01
EP2767977A2 (en) 2014-08-20
KR102248253B1 (ko) 2021-05-04
WO2013058634A2 (ko) 2013-04-25
JP6438056B2 (ja) 2018-12-12
US10424304B2 (en) 2019-09-24
US10878827B2 (en) 2020-12-29
US20210090581A1 (en) 2021-03-25
US20130110522A1 (en) 2013-05-02
CN107025909A (zh) 2017-08-08
KR20200143349A (ko) 2020-12-23
JP2017126073A (ja) 2017-07-20
US20190355367A1 (en) 2019-11-21
TW201724087A (zh) 2017-07-01
KR20200010539A (ko) 2020-01-30
KR102194557B1 (ko) 2020-12-23
US20150221315A1 (en) 2015-08-06

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