JP6605725B2 - 複数の遷移の間の高次アンビソニック係数のコーディング - Google Patents

複数の遷移の間の高次アンビソニック係数のコーディング Download PDF

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JP6605725B2
JP6605725B2 JP2018519046A JP2018519046A JP6605725B2 JP 6605725 B2 JP6605725 B2 JP 6605725B2 JP 2018519046 A JP2018519046 A JP 2018519046A JP 2018519046 A JP2018519046 A JP 2018519046A JP 6605725 B2 JP6605725 B2 JP 6605725B2
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JP2018534617A (ja
JP2018534617A5 (enExample
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ペータース、ニルス・ギュンター
セン、ディパンジャン
キム、ム・ユン
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Qualcomm Inc
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Qualcomm Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S5/00Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/15Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11Application of ambisonics in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2018519046A 2015-10-14 2016-10-12 複数の遷移の間の高次アンビソニック係数のコーディング Expired - Fee Related JP6605725B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562241665P 2015-10-14 2015-10-14
US62/241,665 2015-10-14
US15/290,229 US9959880B2 (en) 2015-10-14 2016-10-11 Coding higher-order ambisonic coefficients during multiple transitions
US15/290,229 2016-10-11
PCT/US2016/056625 WO2017066312A1 (en) 2015-10-14 2016-10-12 Coding higher-order ambisonic coefficients during multiple transitions

Publications (3)

Publication Number Publication Date
JP2018534617A JP2018534617A (ja) 2018-11-22
JP2018534617A5 JP2018534617A5 (enExample) 2019-04-25
JP6605725B2 true JP6605725B2 (ja) 2019-11-13

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JP2018519046A Expired - Fee Related JP6605725B2 (ja) 2015-10-14 2016-10-12 複数の遷移の間の高次アンビソニック係数のコーディング

Country Status (7)

Country Link
US (1) US9959880B2 (enExample)
EP (1) EP3363213B1 (enExample)
JP (1) JP6605725B2 (enExample)
KR (1) KR102077412B1 (enExample)
CN (1) CN108141690B (enExample)
CA (1) CA2999289C (enExample)
WO (1) WO2017066312A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9959880B2 (en) * 2015-10-14 2018-05-01 Qualcomm Incorporated Coding higher-order ambisonic coefficients during multiple transitions
CN118824260A (zh) 2018-04-11 2024-10-22 杜比国际公司 用于6dof音频渲染的方法、设备和系统及用于6dof音频渲染的数据表示和位流结构
GB2582748A (en) * 2019-03-27 2020-10-07 Nokia Technologies Oy Sound field related rendering
WO2020253941A1 (en) 2019-06-17 2020-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs
US12308034B2 (en) 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
US12142285B2 (en) * 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
US20240129681A1 (en) * 2022-10-12 2024-04-18 Qualcomm Incorporated Scaling audio sources in extended reality systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010070225A1 (fr) 2008-12-15 2010-06-24 France Telecom Codage perfectionne de signaux audionumeriques multicanaux
EP2469741A1 (en) * 2010-12-21 2012-06-27 Thomson Licensing Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US9082198B2 (en) * 2012-10-19 2015-07-14 Qualcomm Technologies, Inc. Method for creating automatic cinemagraphs on an imagine device
US9883312B2 (en) 2013-05-29 2018-01-30 Qualcomm Incorporated Transformed higher order ambisonics audio data
US9489955B2 (en) 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9959880B2 (en) * 2015-10-14 2018-05-01 Qualcomm Incorporated Coding higher-order ambisonic coefficients during multiple transitions

Also Published As

Publication number Publication date
BR112018007574A2 (pt) 2018-10-23
CA2999289A1 (en) 2017-04-20
CN108141690A (zh) 2018-06-08
US20170110140A1 (en) 2017-04-20
CN108141690B (zh) 2021-03-02
EP3363213A1 (en) 2018-08-22
JP2018534617A (ja) 2018-11-22
CA2999289C (en) 2021-10-19
KR20180068974A (ko) 2018-06-22
WO2017066312A1 (en) 2017-04-20
US9959880B2 (en) 2018-05-01
KR102077412B1 (ko) 2020-02-13
EP3363213B1 (en) 2021-09-29

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