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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JP
Japan
Prior art keywords
audio
matrix
bitstream
information
rendering
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.)
Expired - Fee Related
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JP2016569921A
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English (en)
Japanese (ja)
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JP2017520174A (ja
JP2017520174A5 (enExample
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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Publication date
Priority claimed from US14/724,615 external-priority patent/US9883310B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2017520174A publication Critical patent/JP2017520174A/ja
Publication of JP2017520174A5 publication Critical patent/JP2017520174A5/ja
Application granted granted Critical
Publication of JP6423009B2 publication Critical patent/JP6423009B2/ja
Expired - Fee Related legal-status Critical Current
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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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (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 Expired - Fee Related 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 US9883310B2 (en) 2013-02-08 2015-05-28 Obtaining symmetry information for higher order ambisonic audio renderers
US14/724,615 2015-05-28
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 (enExample) 2018-10-04
JP6423009B2 true JP6423009B2 (ja) 2018-11-14

Family

ID=53366342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016569921A Expired - Fee Related 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 (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 (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
SG11202007628PA (en) 2018-07-02 2020-09-29 Dolby Laboratories Licensing Corp Methods and devices for generating or decoding a bitstream comprising 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
US9113281B2 (en) * 2009-10-07 2015-08-18 The University Of Sydney Reconstruction of a recorded sound field
BR112015001128B1 (pt) * 2012-07-16 2021-09-08 Dolby International Ab Método e dispositivo para renderização de uma representação de um som ou campo sonoro e meio legível por computador
US9716959B2 (en) 2013-05-29 2017-07-25 Qualcomm Incorporated Compensating for error in decomposed representations of sound fields

Also Published As

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

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