JP2016510905A - ビットストリームにおける球面調和係数および／または高次アンビソニックス係数の指定 - Google Patents

ビットストリームにおける球面調和係数および／または高次アンビソニックス係数の指定 Download PDF

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JP2016510905A
JP2016510905A JP2015560352A JP2015560352A JP2016510905A JP 2016510905 A JP2016510905 A JP 2016510905A JP 2015560352 A JP2015560352 A JP 2015560352A JP 2015560352 A JP2015560352 A JP 2015560352A JP 2016510905 A JP2016510905 A JP 2016510905A
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bitstream
hierarchical elements
sound field
bits
hierarchical
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Japanese (ja)
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JP2016510905A5 (https=
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セン、ディパンジャン
モーレール、マーティン・ジェームズ
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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
    • G10L19/008—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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2015560352A 2013-03-01 2014-02-28 ビットストリームにおける球面調和係数および／または高次アンビソニックス係数の指定 Ceased JP2016510905A (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361771677P 2013-03-01 2013-03-01
US61/771,677 2013-03-01
US201361860201P 2013-07-30 2013-07-30
US61/860,201 2013-07-30
US14/192,819 2014-02-27
US14/192,819 US9959875B2 (en) 2013-03-01 2014-02-27 Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams
PCT/US2014/019446 WO2014134462A2 (en) 2013-03-01 2014-02-28 Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams

Publications (2)

Publication Number Publication Date
JP2016510905A true JP2016510905A (ja) 2016-04-11
JP2016510905A5 JP2016510905A5 (https=) 2017-03-16

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JP2015560352A Ceased JP2016510905A (ja) 2013-03-01 2014-02-28 ビットストリームにおける球面調和係数および／または高次アンビソニックス係数の指定
JP2015560355A Pending JP2016513811A (ja) 2013-03-01 2014-02-28 変換球面調和係数

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US (2) US9959875B2 (https=)
EP (2) EP2962298B1 (https=)
JP (2) JP2016510905A (https=)
KR (2) KR101854964B1 (https=)
CN (2) CN105027200B (https=)
BR (1) BR112015020892A2 (https=)
ES (1) ES2738490T3 (https=)
HU (1) HUE045446T2 (https=)
TW (2) TWI603631B (https=)
WO (2) WO2014134472A2 (https=)

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US9412385B2 (en) * 2013-05-28 2016-08-09 Qualcomm Incorporated Performing spatial masking with respect to spherical harmonic coefficients
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
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US9502045B2 (en) 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
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BR112020000775A2 (pt) 2017-07-14 2020-07-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. aparelho para gerar uma descrição do campo sonoro, programa de computador, descrição do campo sonoro aprimorada e seu método de geração
US10075802B1 (en) 2017-08-08 2018-09-11 Qualcomm Incorporated Bitrate allocation for higher order ambisonic audio data
US11281726B2 (en) * 2017-12-01 2022-03-22 Palantir Technologies Inc. System and methods for faster processor comparisons of visual graph features
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Also Published As

Publication number Publication date
TWI583210B (zh) 2017-05-11
CN105027200A (zh) 2015-11-04
CN105027199B (zh) 2018-05-29
KR20150123310A (ko) 2015-11-03
WO2014134462A3 (en) 2014-11-13
TW201446016A (zh) 2014-12-01
TW201503712A (zh) 2015-01-16
CN105027199A (zh) 2015-11-04
CN105027200B (zh) 2019-04-09
TWI603631B (zh) 2017-10-21
KR101854964B1 (ko) 2018-05-04
EP2962297B1 (en) 2019-06-05
US20140249827A1 (en) 2014-09-04
WO2014134472A2 (en) 2014-09-04
WO2014134462A2 (en) 2014-09-04
KR20150123311A (ko) 2015-11-03
HUE045446T2 (hu) 2019-12-30
EP2962297A2 (en) 2016-01-06
JP2016513811A (ja) 2016-05-16
WO2014134472A3 (en) 2015-03-19
US9959875B2 (en) 2018-05-01
US20140247946A1 (en) 2014-09-04
EP2962298B1 (en) 2019-04-24
ES2738490T3 (es) 2020-01-23
US9685163B2 (en) 2017-06-20
BR112015020892A2 (pt) 2017-07-18
EP2962298A2 (en) 2016-01-06

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