KR101941764B1 - 고차 앰비소닉 오디오 렌더러들에 대한 대칭성 정보의 획득 - Google Patents

고차 앰비소닉 오디오 렌더러들에 대한 대칭성 정보의 획득 Download PDF

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KR101941764B1
KR101941764B1 KR1020167033118A KR20167033118A KR101941764B1 KR 101941764 B1 KR101941764 B1 KR 101941764B1 KR 1020167033118 A KR1020167033118 A KR 1020167033118A KR 20167033118 A KR20167033118 A KR 20167033118A KR 101941764 B1 KR101941764 B1 KR 101941764B1
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audio
matrix
bitstream
information
coefficients
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Korean (ko)
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KR20170015898A (ko
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닐스 귄터 페터스
디판잔 센
마틴 제임스 모렐
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퀄컴 인코포레이티드
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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)
KR1020167033118A 2014-05-30 2015-05-29 고차 앰비소닉 오디오 렌더러들에 대한 대칭성 정보의 획득 Expired - Fee Related KR101941764B1 (ko)

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

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KR20170015898A KR20170015898A (ko) 2017-02-10
KR101941764B1 true KR101941764B1 (ko) 2019-01-23

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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 (5)

* 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
CA3091241A1 (en) 2018-07-02 2020-01-09 Dolby Laboratories Licensing Corporation Methods and devices for generating or decoding a bitstream comprising immersive audio signals
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
CN121645082A (zh) * 2024-09-05 2026-03-10 华为技术有限公司 空间音频渲染方法及相关装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120259442A1 (en) 2009-10-07 2012-10-11 The University Of Sydney Reconstruction of a recorded sound field
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9763019B2 (en) 2013-05-29 2017-09-12 Qualcomm Incorporated Analysis of decomposed representations of a sound field

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120259442A1 (en) 2009-10-07 2012-10-11 The University Of Sydney Reconstruction of a recorded sound field
WO2014012945A1 (en) 2012-07-16 2014-01-23 Thomson Licensing Method and device for rendering an audio soundfield representation for audio playback

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WO2015184316A1 (en) 2015-12-03
CA2950014A1 (en) 2015-12-03
ES2696930T3 (es) 2019-01-18
CN106465029A (zh) 2017-02-22
HUE039048T2 (hu) 2018-12-28
CN106465029B (zh) 2018-05-08
BR112016028212A2 (pt) 2017-08-22
BR112016028212B1 (pt) 2022-08-23
JP2017520174A (ja) 2017-07-20
JP6423009B2 (ja) 2018-11-14
EP3149972A1 (en) 2017-04-05
CA2950014C (en) 2019-12-03
KR20170015898A (ko) 2017-02-10
EP3149972B1 (en) 2018-08-15

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