JP6423009B2 - 高次アンビソニックオーディオレンダラのためのシンメトリ情報を取得すること - Google Patents

高次アンビソニックオーディオレンダラのためのシンメトリ情報を取得すること Download PDF

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Publication number
JP6423009B2
JP6423009B2 JP2016569921A JP2016569921A JP6423009B2 JP 6423009 B2 JP6423009 B2 JP 6423009B2 JP 2016569921 A JP2016569921 A JP 2016569921A JP 2016569921 A JP2016569921 A JP 2016569921A JP 6423009 B2 JP6423009 B2 JP 6423009B2
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Japan
Prior art keywords
audio
matrix
bitstream
information
rendering
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JP2016569921A
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English (en)
Japanese (ja)
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JP2017520174A (ja
JP2017520174A5 (zh
Inventor
ペーターズ、ニルス・ガンザー
セン、ディパンジャン
モッレル、マーティン・ジェームス
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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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Publication of JP2017520174A5 publication Critical patent/JP2017520174A5/ja
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Classifications

    • 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
    • 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

Landscapes

  • 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)
JP2016569921A 2014-05-30 2015-05-29 高次アンビソニックオーディオレンダラのためのシンメトリ情報を取得すること Active JP6423009B2 (ja)

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 (3)

Publication Number Publication Date
JP2017520174A JP2017520174A (ja) 2017-07-20
JP2017520174A5 JP2017520174A5 (zh) 2018-10-04
JP6423009B2 true JP6423009B2 (ja) 2018-11-14

Family

ID=53366342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016569921A Active JP6423009B2 (ja) 2014-05-30 2015-05-29 高次アンビソニックオーディオレンダラのためのシンメトリ情報を取得すること

Country Status (9)

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

Families Citing this family (3)

* 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
SG11202007629UA (en) 2018-07-02 2020-09-29 Dolby Laboratories Licensing Corp Methods and devices for encoding and/or decoding immersive audio signals
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011041834A1 (en) * 2009-10-07 2011-04-14 The University Of Sydney Reconstruction of a recorded sound field
CN107071687B (zh) * 2012-07-16 2020-02-14 杜比国际公司 用于渲染音频声场表示以供音频回放的方法和设备
US20140355769A1 (en) 2013-05-29 2014-12-04 Qualcomm Incorporated Energy preservation for decomposed representations of a sound field

Also Published As

Publication number Publication date
ES2696930T3 (es) 2019-01-18
EP3149972B1 (en) 2018-08-15
BR112016028212B1 (pt) 2022-08-23
KR101941764B1 (ko) 2019-01-23
HUE039048T2 (hu) 2018-12-28
EP3149972A1 (en) 2017-04-05
CN106465029A (zh) 2017-02-22
BR112016028212A2 (pt) 2017-08-22
CA2950014A1 (en) 2015-12-03
JP2017520174A (ja) 2017-07-20
WO2015184316A1 (en) 2015-12-03
CA2950014C (en) 2019-12-03
CN106465029B (zh) 2018-05-08
KR20170015898A (ko) 2017-02-10

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