WO2015145266A3 - 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치 - Google Patents

선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치 Download PDF

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Publication number
WO2015145266A3
WO2015145266A3 PCT/IB2015/001152 IB2015001152W WO2015145266A3 WO 2015145266 A3 WO2015145266 A3 WO 2015145266A3 IB 2015001152 W IB2015001152 W IB 2015001152W WO 2015145266 A3 WO2015145266 A3 WO 2015145266A3
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quantization
linear prediction
prediction coefficient
quantizing
inverse quantization
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PCT/IB2015/001152
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English (en)
French (fr)
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WO2015145266A2 (ko
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성호상
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삼성전자 주식회사
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Priority to US15/300,173 priority Critical patent/US10515646B2/en
Priority to JP2016559611A priority patent/JP6542796B2/ja
Priority to EP21168545.8A priority patent/EP3869506A1/en
Priority to CN201580028157.8A priority patent/CN106463134B/zh
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR1020167026991A priority patent/KR102392003B1/ko
Priority to KR1020227013950A priority patent/KR102626320B1/ko
Priority to PL15769251T priority patent/PL3125241T3/pl
Priority to SG11201608787UA priority patent/SG11201608787UA/en
Priority to KR1020247001250A priority patent/KR20240010550A/ko
Priority to EP15769251.8A priority patent/EP3125241B1/en
Priority to CN201911127329.3A priority patent/CN110853659B/zh
Publication of WO2015145266A2 publication Critical patent/WO2015145266A2/ko
Publication of WO2015145266A3 publication Critical patent/WO2015145266A3/ko
Priority to US16/688,482 priority patent/US11450329B2/en
Priority to US17/947,249 priority patent/US11848020B2/en

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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
    • G10L19/02—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
    • G10L19/02—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0002—Codebook adaptations

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

양자화장치는 프레임간 예측 없이 양자화를 수행하는 제1 양자화모듈, 및 프레임간 예측과 함께 양자화를 수행하는 제2 양자화모듈을 포함하며, 상기 제1 양자화모듈은 입력신호를 양자화하는 제1 양자화부와 제1 양자화 에러신호를 양자화하 는 제3 양자화부를 포함하고, 상기 제2 양자화 모듈은 예측에러를 양자화하는 제2 양자화부와 제2 양자화 에러신호를 양자화하는 제4 양자화부를 포함하고,상기 제1 양자화부와 상기 제2 양자화부는 트렐리스 구조의 벡터양자화기를 포함한다.
PCT/IB2015/001152 2014-03-28 2015-03-30 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치 WO2015145266A2 (ko)

Priority Applications (13)

Application Number Priority Date Filing Date Title
KR1020227013950A KR102626320B1 (ko) 2014-03-28 2015-03-30 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치
EP21168545.8A EP3869506A1 (en) 2014-03-28 2015-03-30 Method and device for quantization of linear prediction coefficient and method and device for inverse quantization
CN201580028157.8A CN106463134B (zh) 2014-03-28 2015-03-30 用于对线性预测系数进行量化的方法和装置及用于反量化的方法和装置
SG11201608787UA SG11201608787UA (en) 2014-03-28 2015-03-30 Method and device for quantization of linear prediction coefficient and method and device for inverse quantization
KR1020167026991A KR102392003B1 (ko) 2014-03-28 2015-03-30 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치
JP2016559611A JP6542796B2 (ja) 2014-03-28 2015-03-30 線形予測係数量子化方法及びその装置、並びに線形予測係数逆量子化方法及びその装置
PL15769251T PL3125241T3 (pl) 2014-03-28 2015-03-30 Sposób i urządzenie do kwantyzacji współczynnika predykcji liniowej oraz sposób i urządzenie do kwantyzacji odwrotnej
US15/300,173 US10515646B2 (en) 2014-03-28 2015-03-30 Method and device for quantization of linear prediction coefficient and method and device for inverse quantization
KR1020247001250A KR20240010550A (ko) 2014-03-28 2015-03-30 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치
EP15769251.8A EP3125241B1 (en) 2014-03-28 2015-03-30 Method and device for quantization of linear prediction coefficient and method and device for inverse quantization
CN201911127329.3A CN110853659B (zh) 2014-03-28 2015-03-30 用于对音频信号进行编码的量化装置
US16/688,482 US11450329B2 (en) 2014-03-28 2019-11-19 Method and device for quantization of linear prediction coefficient and method and device for inverse quantization
US17/947,249 US11848020B2 (en) 2014-03-28 2022-09-19 Method and device for quantization of linear prediction coefficient and method and device for inverse quantization

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201461971638P 2014-03-28 2014-03-28
US61/971,638 2014-03-28
US201462029687P 2014-07-28 2014-07-28
US62/029,687 2014-07-28

Related Child Applications (2)

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US15/300,173 A-371-Of-International US10515646B2 (en) 2014-03-28 2015-03-30 Method and device for quantization of linear prediction coefficient and method and device for inverse quantization
US16/688,482 Continuation US11450329B2 (en) 2014-03-28 2019-11-19 Method and device for quantization of linear prediction coefficient and method and device for inverse quantization

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WO2015145266A2 WO2015145266A2 (ko) 2015-10-01
WO2015145266A3 true WO2015145266A3 (ko) 2016-03-10

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US (3) US10515646B2 (ko)
EP (2) EP3869506A1 (ko)
JP (1) JP6542796B2 (ko)
KR (3) KR102626320B1 (ko)
CN (2) CN106463134B (ko)
PL (1) PL3125241T3 (ko)
SG (2) SG10201808285UA (ko)
WO (1) WO2015145266A2 (ko)

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