CN105027199B - 在位流中指定球谐系数和/或高阶立体混响系数 - Google Patents

在位流中指定球谐系数和/或高阶立体混响系数 Download PDF

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CN105027199B
CN105027199B CN201480011198.1A CN201480011198A CN105027199B CN 105027199 B CN105027199 B CN 105027199B CN 201480011198 A CN201480011198 A CN 201480011198A CN 105027199 B CN105027199 B CN 105027199B
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bitstream
spherical harmonic
harmonic coefficients
sound field
bits
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CN105027199A (zh
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D·森
M·J·莫雷尔
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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)
CN201480011198.1A 2013-03-01 2014-02-28 在位流中指定球谐系数和/或高阶立体混响系数 Active CN105027199B (zh)

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)

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CN105027199A CN105027199A (zh) 2015-11-04
CN105027199B true CN105027199B (zh) 2018-05-29

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CN201480011198.1A Active CN105027199B (zh) 2013-03-01 2014-02-28 在位流中指定球谐系数和/或高阶立体混响系数
CN201480011287.6A Active CN105027200B (zh) 2013-03-01 2014-02-28 变换球谐系数

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CN201480011287.6A Active CN105027200B (zh) 2013-03-01 2014-02-28 变换球谐系数

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US (2) US9959875B2 (enExample)
EP (2) EP2962297B1 (enExample)
JP (2) JP2016510905A (enExample)
KR (2) KR20150123310A (enExample)
CN (2) CN105027199B (enExample)
BR (1) BR112015020892A2 (enExample)
ES (1) ES2738490T3 (enExample)
HU (1) HUE045446T2 (enExample)
TW (2) TWI603631B (enExample)
WO (2) WO2014134472A2 (enExample)

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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
EP2962297B1 (en) 2019-06-05
KR20150123311A (ko) 2015-11-03
HUE045446T2 (hu) 2019-12-30
US9685163B2 (en) 2017-06-20
CN105027200A (zh) 2015-11-04
TW201503712A (zh) 2015-01-16
EP2962298A2 (en) 2016-01-06
WO2014134472A3 (en) 2015-03-19
ES2738490T3 (es) 2020-01-23
BR112015020892A2 (pt) 2017-07-18
KR101854964B1 (ko) 2018-05-04
TW201446016A (zh) 2014-12-01
TWI603631B (zh) 2017-10-21
WO2014134462A3 (en) 2014-11-13
JP2016513811A (ja) 2016-05-16
US9959875B2 (en) 2018-05-01
JP2016510905A (ja) 2016-04-11
WO2014134472A2 (en) 2014-09-04
KR20150123310A (ko) 2015-11-03
EP2962298B1 (en) 2019-04-24
EP2962297A2 (en) 2016-01-06
WO2014134462A2 (en) 2014-09-04
CN105027200B (zh) 2019-04-09
US20140249827A1 (en) 2014-09-04
TWI583210B (zh) 2017-05-11
US20140247946A1 (en) 2014-09-04
CN105027199A (zh) 2015-11-04

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