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

Obtaining sparseness information for higher order ambisonic audio renderers Download PDF

Info

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
Authority
CA
Canada
Prior art keywords
audio
matrix
bitstream
information
higher order
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA2949108A
Other languages
English (en)
French (fr)
Other versions
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
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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)
  • Signal Processing (AREA)
  • Acoustics & Sound (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 US9609452B2 (en) 2013-02-08 2015-05-28 Obtaining sparseness information for higher order ambisonic audio renderers
US14/724,560 2015-05-28
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 (https=)
JP (1) JP6297721B2 (https=)
KR (1) KR101818877B1 (https=)
CN (2) CN110827839B (https=)
BR (1) BR112016028215B1 (https=)
CA (1) CA2949108C (https=)
ES (1) ES2699657T3 (https=)
HU (1) HUE042058T2 (https=)
WO (1) WO2015184307A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018194501A1 (en) * 2017-04-18 2018-10-25 Aditus Science Ab Stereo unfold with psychoacoustic grouping phenomenon
GB2572419A (en) * 2018-03-29 2019-10-02 Nokia Technologies Oy Spatial sound rendering
WO2019204214A2 (en) 2018-04-16 2019-10-24 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
CN101385076B (zh) * 2006-02-07 2012-11-28 Lg电子株式会社 用于编码/解码信号的装置和方法
JP5524237B2 (ja) * 2008-12-19 2014-06-18 ドルビー インターナショナル アーベー 空間キューパラメータを用いてマルチチャンネルオーディオ信号に反響を適用する方法と装置
EP2486561B1 (en) * 2009-10-07 2016-03-30 The University Of Sydney Reconstruction of a recorded sound field
WO2011076285A1 (en) * 2009-12-23 2011-06-30 Nokia Corporation Sparse audio
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
KR102185941B1 (ko) * 2011-07-01 2020-12-03 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
KR20240108571A (ko) * 2012-07-16 2024-07-09 돌비 인터네셔널 에이비 오디오 재생을 위한 오디오 음장 표현을 렌더링하는 방법 및 장치

Also Published As

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

Similar Documents

Publication Publication Date Title
US9870778B2 (en) Obtaining sparseness information for higher order ambisonic audio renderers
US9883310B2 (en) Obtaining symmetry information for higher order ambisonic audio renderers
AU2015284004B2 (en) Reducing correlation between higher order ambisonic (hoa) background channels
US9847088B2 (en) Intermediate compression for higher order ambisonic audio data
US20150271621A1 (en) Inserting audio channels into descriptions of soundfields
EP3143618B1 (en) Closed loop quantization of higher order ambisonic coefficients
US10134403B2 (en) Crossfading between higher order ambisonic signals
US20150243292A1 (en) Order format signaling for higher-order ambisonic audio data
CA2949108C (en) Obtaining sparseness information for higher order ambisonic audio renderers
CA2950014C (en) Obtaining symmetry information for higher order ambisonic audio renderers

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20171103

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-4-4-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20251002

H13 Ip right lapsed

Free format text: ST27 STATUS EVENT CODE: N-4-6-H10-H13-H100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE AND LATE FEE NOT PAID BY DEADLINE OF NOTICE

Effective date: 20260113

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: N-6-6-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20260113