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

Info

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
Authority
CN
China
Prior art keywords
matrix
audio
information
bitstream
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.)
Active
Application number
CN201580029278.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN106465029A (zh
Inventor
尼尔斯·京特·彼得斯
迪潘让·森
马丁·詹姆斯·莫雷尔
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 US14/724,615 external-priority patent/US9883310B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN106465029A publication Critical patent/CN106465029A/zh
Application granted granted Critical
Publication of CN106465029B publication Critical patent/CN106465029B/zh
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (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)

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

Family

ID=53366342

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580029278.4A Active CN106465029B (zh) 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

Country Status (9)

Country Link
EP (1) EP3149972B1 (cg-RX-API-DMAC10.html)
JP (1) JP6423009B2 (cg-RX-API-DMAC10.html)
KR (1) KR101941764B1 (cg-RX-API-DMAC10.html)
CN (1) CN106465029B (cg-RX-API-DMAC10.html)
BR (1) BR112016028212B1 (cg-RX-API-DMAC10.html)
CA (1) CA2950014C (cg-RX-API-DMAC10.html)
ES (1) ES2696930T3 (cg-RX-API-DMAC10.html)
HU (1) HUE039048T2 (cg-RX-API-DMAC10.html)
WO (1) WO2015184316A1 (cg-RX-API-DMAC10.html)

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 (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
AU2010305313B2 (en) * 2009-10-07 2015-05-28 The University Of Sydney Reconstruction of a recorded sound field
US9502044B2 (en) 2013-05-29 2016-11-22 Qualcomm Incorporated Compression of decomposed representations of a sound field

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

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
CN106663433B (zh) 用于处理音频数据的方法和装置
CN106104680B (zh) 将音频信道插入到声场的描述中
CN106575506B (zh) 用于执行高阶立体混响音频数据的中间压缩的装置和方法
CN106471576B (zh) 高阶立体混响系数的闭环量化
CN106471577B (zh) 在高阶立体混响系数中的标量与向量之间进行确定
TWI827687B (zh) 音訊資料之靈活渲染
CN106415712B (zh) 用于渲染高阶立体混响系数的装置和方法
KR20170010367A (ko) 고차 앰비소닉 신호들간의 크로스페이딩
CN108141690A (zh) 在多个转变期间译码高阶立体混响系数
KR101941764B1 (ko) 고차 앰비소닉 오디오 렌더러들에 대한 대칭성 정보의 획득

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant