CA2949108C - Obtaining sparseness information for higher order ambisonic audio renderers - Google Patents

Obtaining sparseness information for higher order ambisonic audio renderers Download PDF

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Publication number
CA2949108C
CA2949108C CA2949108A CA2949108A CA2949108C CA 2949108 C CA2949108 C CA 2949108C CA 2949108 A CA2949108 A CA 2949108A CA 2949108 A CA2949108 A CA 2949108A CA 2949108 C CA2949108 C CA 2949108C
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Canada
Prior art keywords
audio
matrix
bitstream
information
higher order
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Active
Application number
CA2949108A
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English (en)
French (fr)
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CA2949108A1 (en
Inventor
Nils Gunther Peters
Dipanjan Sen
Martin James Morrell
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Qualcomm Inc
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Qualcomm Inc
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Priority claimed from US14/724,560 external-priority patent/US9609452B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA2949108A1 publication Critical patent/CA2949108A1/en
Application granted granted Critical
Publication of CA2949108C publication Critical patent/CA2949108C/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems
    • 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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
CA2949108A 2014-05-30 2015-05-29 Obtaining sparseness information for higher order ambisonic audio renderers Active CA2949108C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201462005829P 2014-05-30 2014-05-30
US62/005,829 2014-05-30
US201462023662P 2014-07-11 2014-07-11
US62/023,662 2014-07-11
US14/724,560 2015-05-28
US14/724,560 US9609452B2 (en) 2013-02-08 2015-05-28 Obtaining sparseness information for higher order ambisonic audio renderers
PCT/US2015/033262 WO2015184307A1 (en) 2014-05-30 2015-05-29 Obtaining sparseness information for higher order ambisonic audio renderers

Publications (2)

Publication Number Publication Date
CA2949108A1 CA2949108A1 (en) 2015-12-03
CA2949108C true CA2949108C (en) 2019-02-26

Family

ID=53366340

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2949108A Active CA2949108C (en) 2014-05-30 2015-05-29 Obtaining sparseness information for higher order ambisonic audio renderers

Country Status (9)

Country Link
EP (1) EP3149971B1 (es)
JP (1) JP6297721B2 (es)
KR (1) KR101818877B1 (es)
CN (2) CN106415712B (es)
BR (1) BR112016028215B1 (es)
CA (1) CA2949108C (es)
ES (1) ES2699657T3 (es)
HU (1) HUE042058T2 (es)
WO (1) WO2015184307A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110495189A (zh) 2017-04-18 2019-11-22 奥姆尼欧声音有限公司 利用心理声学分组现象的立体声展开
GB2572419A (en) * 2018-03-29 2019-10-02 Nokia Technologies Oy Spatial sound rendering
US11315578B2 (en) * 2018-04-16 2022-04-26 Dolby Laboratories Licensing Corporation Methods, apparatus and systems for encoding and decoding of directional sound sources
US10999693B2 (en) * 2018-06-25 2021-05-04 Qualcomm Incorporated Rendering different portions of audio data using different renderers
US11798569B2 (en) * 2018-10-02 2023-10-24 Qualcomm Incorporated Flexible rendering of audio data
CN110764696B (zh) * 2019-09-26 2020-10-16 开放智能机器(上海)有限公司 向量信息存储及更新的方法、装置、电子设备及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101379554B (zh) * 2006-02-07 2012-09-19 Lg电子株式会社 用于编码/解码信号的装置和方法
BRPI0923174B1 (pt) * 2008-12-19 2020-10-06 Dolby International Ab Método e reverberador para aplicar reverberação a um sinal de entrada de áudio com downmixing de mcanais
US9113281B2 (en) * 2009-10-07 2015-08-18 The University Of Sydney Reconstruction of a recorded sound field
US9042560B2 (en) * 2009-12-23 2015-05-26 Nokia Corporation Sparse audio
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
KR102115723B1 (ko) * 2011-07-01 2020-05-28 돌비 레버러토리즈 라이쎈싱 코오포레이션 적응형 오디오 신호 생성, 코딩 및 렌더링을 위한 시스템 및 방법
EP2637427A1 (en) * 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
WO2014012945A1 (en) * 2012-07-16 2014-01-23 Thomson Licensing Method and device for rendering an audio soundfield representation for audio playback

Also Published As

Publication number Publication date
BR112016028215B1 (pt) 2022-08-23
KR101818877B1 (ko) 2018-01-15
CN106415712A (zh) 2017-02-15
WO2015184307A1 (en) 2015-12-03
JP6297721B2 (ja) 2018-03-20
ES2699657T3 (es) 2019-02-12
CA2949108A1 (en) 2015-12-03
CN110827839B (zh) 2023-09-19
EP3149971A1 (en) 2017-04-05
BR112016028215A2 (pt) 2017-08-22
CN110827839A (zh) 2020-02-21
CN106415712B (zh) 2019-11-15
JP2017520177A (ja) 2017-07-20
KR20170015897A (ko) 2017-02-10
HUE042058T2 (hu) 2019-06-28
EP3149971B1 (en) 2018-08-29

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Effective date: 20171103