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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CA
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
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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Qualcomm Inc
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Publication date
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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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • 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
    • 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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • 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

Landscapes

  • 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 (enExample)
JP (1) JP6297721B2 (enExample)
KR (1) KR101818877B1 (enExample)
CN (2) CN110827839B (enExample)
BR (1) BR112016028215B1 (enExample)
CA (1) CA2949108C (enExample)
ES (1) ES2699657T3 (enExample)
HU (1) HUE042058T2 (enExample)
WO (1) WO2015184307A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112019021241A2 (pt) 2017-04-18 2020-05-12 Omnio Sound Limited Método para reprodução de som, e, dispositivo.
GB2572419A (en) * 2018-03-29 2019-10-02 Nokia Technologies Oy Spatial sound rendering
EP3782152A2 (en) * 2018-04-16 2021-02-24 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
CN101379555B (zh) * 2006-02-07 2013-03-13 Lg电子株式会社 用于编码/解码信号的装置和方法
KR101342425B1 (ko) * 2008-12-19 2013-12-17 돌비 인터네셔널 에이비 다중-채널의 다운믹싱된 오디오 입력 신호에 리버브를 적용하기 위한 방법 및 다중-채널의 다운믹싱된 오디오 입력 신호에 리버브를 적용하도록 구성된 리버브레이터
AU2010305313B2 (en) * 2009-10-07 2015-05-28 The University Of Sydney Reconstruction of a recorded sound field
CN102770913B (zh) * 2009-12-23 2015-10-07 诺基亚公司 稀疏音频
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
CA2837893C (en) * 2011-07-01 2017-08-29 Dolby Laboratories Licensing Corporation System and method for adaptive audio signal generation, coding and rendering
EP2637427A1 (en) * 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
BR122020017399B1 (pt) * 2012-07-16 2022-05-03 Dolby International Ab Método e dispositivo para renderizar uma representação de campo sonoro ambisonics de ordem superior para reprodução de áudio, dispositivo para decodificação e meio legível por computador

Also Published As

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

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