SG11201608520RA - Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals - Google Patents

Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals

Info

Publication number
SG11201608520RA
SG11201608520RA SG11201608520RA SG11201608520RA SG11201608520RA SG 11201608520R A SG11201608520R A SG 11201608520RA SG 11201608520R A SG11201608520R A SG 11201608520RA SG 11201608520R A SG11201608520R A SG 11201608520RA SG 11201608520R A SG11201608520R A SG 11201608520RA
Authority
SG
Singapore
Prior art keywords
audio signals
order ambisonic
coding vectors
ambisonic audio
vectors decomposed
Prior art date
Application number
SG11201608520RA
Other languages
English (en)
Inventor
Moo Young Kim
Nils Günther Peters
Dipanjan Sen
Original Assignee
Qualcomm Inc
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of SG11201608520RA publication Critical patent/SG11201608520RA/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
    • 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
    • G10L19/008—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
    • G10L19/04—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

Landscapes

  • 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)
SG11201608520RA 2014-05-16 2015-05-15 Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals SG11201608520RA (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201461994794P 2014-05-16 2014-05-16
US201462004128P 2014-05-28 2014-05-28
US201462019663P 2014-07-01 2014-07-01
US201462027702P 2014-07-22 2014-07-22
US201462028282P 2014-07-23 2014-07-23
US201462032440P 2014-08-01 2014-08-01
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

Publications (1)

Publication Number Publication Date
SG11201608520RA true SG11201608520RA (en) 2016-11-29

Family

ID=53274842

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201608520RA SG11201608520RA (en) 2014-05-16 2015-05-15 Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals

Country Status (17)

Country Link
US (1) US10770087B2 (pt)
EP (1) EP3143616B1 (pt)
JP (1) JP6728065B2 (pt)
KR (1) KR102329373B1 (pt)
CN (1) CN106463129B (pt)
AU (1) AU2015258831B2 (pt)
BR (1) BR112016026822B1 (pt)
CA (1) CA2948563C (pt)
CL (1) CL2016002896A1 (pt)
MX (1) MX361040B (pt)
MY (1) MY189359A (pt)
PH (1) PH12016502273B1 (pt)
RU (1) RU2688275C2 (pt)
SG (1) SG11201608520RA (pt)
TW (1) TWI676983B (pt)
WO (1) WO2015176003A1 (pt)
ZA (1) ZA201607881B (pt)

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