CA2933562C - Transitioning of ambient higher-order ambisonic coefficients - Google Patents

Transitioning of ambient higher-order ambisonic coefficients Download PDF

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Publication number
CA2933562C
CA2933562C CA2933562A CA2933562A CA2933562C CA 2933562 C CA2933562 C CA 2933562C CA 2933562 A CA2933562 A CA 2933562A CA 2933562 A CA2933562 A CA 2933562A CA 2933562 C CA2933562 C CA 2933562C
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frame
transition
vector
order ambisonic
ambient
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French (fr)
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CA2933562A1 (en
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Nils Gunther Peters
Dipanjan Sen
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Qualcomm Inc
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Qualcomm Inc
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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
    • G10L19/002—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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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)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
CA2933562A 2014-01-30 2015-01-28 Transitioning of ambient higher-order ambisonic coefficients Active CA2933562C (en)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
US201461933714P 2014-01-30 2014-01-30
US201461933706P 2014-01-30 2014-01-30
US61/933,706 2014-01-30
US61/933,714 2014-01-30
US201461949583P 2014-03-07 2014-03-07
US201461949591P 2014-03-07 2014-03-07
US61/949,591 2014-03-07
US61/949,583 2014-03-07
US201462004067P 2014-05-28 2014-05-28
US62/004,067 2014-05-28
US201462029173P 2014-07-25 2014-07-25
US62/029,173 2014-07-25
US14/594,533 US9922656B2 (en) 2014-01-30 2015-01-12 Transitioning of ambient higher-order ambisonic coefficients
US14/594,533 2015-01-12
PCT/US2015/013267 WO2015116666A1 (en) 2014-01-30 2015-01-28 Transitioning of ambient higher-order ambisonic coefficients

Publications (2)

Publication Number Publication Date
CA2933562A1 CA2933562A1 (en) 2015-08-06
CA2933562C true CA2933562C (en) 2021-03-16

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CA2933562A Active CA2933562C (en) 2014-01-30 2015-01-28 Transitioning of ambient higher-order ambisonic coefficients

Country Status (10)

Country Link
US (1) US9922656B2 (https=)
EP (1) EP3100263B1 (https=)
JP (1) JP6510541B2 (https=)
KR (1) KR101958529B1 (https=)
CN (1) CN105940447B (https=)
BR (1) BR112016017278B1 (https=)
CA (1) CA2933562C (https=)
ES (1) ES2674819T3 (https=)
HU (1) HUE037842T2 (https=)
WO (1) WO2015116666A1 (https=)

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