CN106465029B - 用于渲染高阶立体混响系数及产生位流的装置和方法 - Google Patents

用于渲染高阶立体混响系数及产生位流的装置和方法 Download PDF

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Publication number
CN106465029B
CN106465029B CN201580029278.4A CN201580029278A CN106465029B CN 106465029 B CN106465029 B CN 106465029B CN 201580029278 A CN201580029278 A CN 201580029278A CN 106465029 B CN106465029 B CN 106465029B
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matrix
audio
information
bitstream
rendering
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Chinese (zh)
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CN106465029A (zh
Inventor
尼尔斯·京特·彼得斯
迪潘让·森
马丁·詹姆斯·莫雷尔
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Qualcomm Inc
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Qualcomm Inc
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Priority claimed from US14/724,615 external-priority patent/US9883310B2/en
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone

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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)
CN201580029278.4A 2014-05-30 2015-05-29 用于渲染高阶立体混响系数及产生位流的装置和方法 Active CN106465029B (zh)

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
US14/724,615 2015-05-28
US14/724,615 US9883310B2 (en) 2013-02-08 2015-05-28 Obtaining symmetry information for higher order ambisonic audio renderers
PCT/US2015/033273 WO2015184316A1 (en) 2014-05-30 2015-05-29 Obtaining symmetry information for higher order ambisonic audio renderers

Publications (2)

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CN106465029A CN106465029A (zh) 2017-02-22
CN106465029B true CN106465029B (zh) 2018-05-08

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EP (1) EP3149972B1 (enExample)
JP (1) JP6423009B2 (enExample)
KR (1) KR101941764B1 (enExample)
CN (1) CN106465029B (enExample)
BR (1) BR112016028212B1 (enExample)
CA (1) CA2950014C (enExample)
ES (1) ES2696930T3 (enExample)
HU (1) HUE039048T2 (enExample)
WO (1) WO2015184316A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10015618B1 (en) * 2017-08-01 2018-07-03 Google Llc Incoherent idempotent ambisonics rendering
CN111819627B (zh) 2018-07-02 2025-04-11 杜比实验室特许公司 用于对沉浸式音频信号进行编码及/或解码的方法及装置
EP3617871A1 (en) * 2018-08-28 2020-03-04 Koninklijke Philips N.V. Audio apparatus and method of audio processing
CN110099351B (zh) * 2019-04-01 2020-11-03 中车青岛四方机车车辆股份有限公司 一种声场回放方法、装置和系统

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014012945A1 (en) * 2012-07-16 2014-01-23 Thomson Licensing Method and device for rendering an audio soundfield representation for audio playback

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2486561B1 (en) * 2009-10-07 2016-03-30 The University Of Sydney Reconstruction of a recorded sound field
US9769586B2 (en) 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014012945A1 (en) * 2012-07-16 2014-01-23 Thomson Licensing Method and device for rendering an audio soundfield representation for audio playback

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Reducing the bandwidth of sparse symmetric matrices;E.CUTHILL ET AL.;《PROCEEDING OF THE 1969 24TH NATIONAL CONFERENCE》;19690101;全文 *
Symmetric Eigenvalue Problem Tridiagonal Reduction;Gray Ballard et al.;《Retrieved from the internet:URL:http://www.eecs.berkeley.edu/ballard/projects/CS267paper.pdf》;20090318;全文 *

Also Published As

Publication number Publication date
JP2017520174A (ja) 2017-07-20
CN106465029A (zh) 2017-02-22
WO2015184316A1 (en) 2015-12-03
BR112016028212B1 (pt) 2022-08-23
JP6423009B2 (ja) 2018-11-14
CA2950014A1 (en) 2015-12-03
BR112016028212A2 (pt) 2017-08-22
KR101941764B1 (ko) 2019-01-23
EP3149972A1 (en) 2017-04-05
HUE039048T2 (hu) 2018-12-28
CA2950014C (en) 2019-12-03
KR20170015898A (ko) 2017-02-10
ES2696930T3 (es) 2019-01-18
EP3149972B1 (en) 2018-08-15

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