JP6728065B2 - 音場のベクトル量子化された空間成分を含むオーディオデータを復号する方法 - Google Patents

音場のベクトル量子化された空間成分を含むオーディオデータを復号する方法 Download PDF

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JP6728065B2
JP6728065B2 JP2016567714A JP2016567714A JP6728065B2 JP 6728065 B2 JP6728065 B2 JP 6728065B2 JP 2016567714 A JP2016567714 A JP 2016567714A JP 2016567714 A JP2016567714 A JP 2016567714A JP 6728065 B2 JP6728065 B2 JP 6728065B2
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codebooks
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JP2017521693A5 (enExample
JP2017521693A (ja
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キム、モ・ユン
ペーターズ、ニルス・ガンザー
セン、ディパンジャン
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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
    • G10L19/008—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
    • G10L19/032—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
    • G10L19/032—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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
    • G10L2019/0013—Codebook search algorithms

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2016567714A 2014-05-16 2015-05-15 音場のベクトル量子化された空間成分を含むオーディオデータを復号する方法 Active JP6728065B2 (ja)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
US201461994794P 2014-05-16 2014-05-16
US61/994,794 2014-05-16
US201462004128P 2014-05-28 2014-05-28
US62/004,128 2014-05-28
US201462019663P 2014-07-01 2014-07-01
US62/019,663 2014-07-01
US201462027702P 2014-07-22 2014-07-22
US62/027,702 2014-07-22
US201462028282P 2014-07-23 2014-07-23
US62/028,282 2014-07-23
US201462032440P 2014-08-01 2014-08-01
US62/032,440 2014-08-01
US14/712,849 2015-05-14
US14/712,849 US10770087B2 (en) 2014-05-16 2015-05-14 Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
PCT/US2015/031192 WO2015176003A1 (en) 2014-05-16 2015-05-15 Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals

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JP2017521693A JP2017521693A (ja) 2017-08-03
JP2017521693A5 JP2017521693A5 (enExample) 2018-06-07
JP6728065B2 true JP6728065B2 (ja) 2020-07-22

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EP (1) EP3143616B1 (enExample)
JP (1) JP6728065B2 (enExample)
KR (1) KR102329373B1 (enExample)
CN (1) CN106463129B (enExample)
AU (1) AU2015258831B2 (enExample)
BR (1) BR112016026822B1 (enExample)
CA (1) CA2948563C (enExample)
CL (1) CL2016002896A1 (enExample)
MX (1) MX361040B (enExample)
MY (1) MY189359A (enExample)
PH (1) PH12016502273B1 (enExample)
RU (1) RU2688275C2 (enExample)
SG (1) SG11201608520RA (enExample)
TW (1) TWI676983B (enExample)
WO (1) WO2015176003A1 (enExample)
ZA (1) ZA201607881B (enExample)

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