GB2467668B - Spatial audio analysis and synthesis for binaural reproduction and format conversion - Google Patents

Spatial audio analysis and synthesis for binaural reproduction and format conversion

Info

Publication number
GB2467668B
GB2467668B GB1006665A GB201006665A GB2467668B GB 2467668 B GB2467668 B GB 2467668B GB 1006665 A GB1006665 A GB 1006665A GB 201006665 A GB201006665 A GB 201006665A GB 2467668 B GB2467668 B GB 2467668B
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GB
United Kingdom
Prior art keywords
synthesis
format conversion
spatial audio
audio analysis
binaural reproduction
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
GB1006665A
Other versions
GB201006665D0 (en
GB2467668A (en
Inventor
Michael M Goodwin
Jean-Marc Jot
Mark Dolson
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.)
Creative Technology Ltd
Original Assignee
Creative Technology Ltd
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 US12/243,963 external-priority patent/US8374365B2/en
Application filed by Creative Technology Ltd filed Critical Creative Technology Ltd
Publication of GB201006665D0 publication Critical patent/GB201006665D0/en
Publication of GB2467668A publication Critical patent/GB2467668A/en
Application granted granted Critical
Publication of GB2467668B publication Critical patent/GB2467668B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
GB1006665A 2007-10-03 2008-10-02 Spatial audio analysis and synthesis for binaural reproduction and format conversion Active GB2467668B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US97734507P 2007-10-03 2007-10-03
US97743207P 2007-10-04 2007-10-04
US10200208P 2008-10-01 2008-10-01
US12/243,963 US8374365B2 (en) 2006-05-17 2008-10-01 Spatial audio analysis and synthesis for binaural reproduction and format conversion
PCT/US2008/078632 WO2009046223A2 (en) 2007-10-03 2008-10-02 Spatial audio analysis and synthesis for binaural reproduction and format conversion

Publications (3)

Publication Number Publication Date
GB201006665D0 GB201006665D0 (en) 2010-06-09
GB2467668A GB2467668A (en) 2010-08-11
GB2467668B true GB2467668B (en) 2011-12-07

Family

ID=40526952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1006665A Active GB2467668B (en) 2007-10-03 2008-10-02 Spatial audio analysis and synthesis for binaural reproduction and format conversion

Country Status (3)

Country Link
CN (1) CN101884065B (en)
GB (1) GB2467668B (en)
WO (1) WO2009046223A2 (en)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9584235B2 (en) 2009-12-16 2017-02-28 Nokia Technologies Oy Multi-channel audio processing
RU2559713C2 (en) 2010-02-02 2015-08-10 Конинклейке Филипс Электроникс Н.В. Spatial reproduction of sound
KR20120004909A (en) 2010-07-07 2012-01-13 삼성전자주식회사 Method and apparatus for 3d sound reproducing
BR112013004365B1 (en) 2010-08-25 2021-01-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. apparatus and method for decoding a signal
CA2819502C (en) 2010-12-03 2020-03-10 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for geometry-based spatial audio coding
DE102012200512B4 (en) 2012-01-13 2013-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for calculating loudspeaker signals for a plurality of loudspeakers using a delay in the frequency domain
EP2665208A1 (en) 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
EP2733964A1 (en) 2012-11-15 2014-05-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Segment-wise adjustment of spatial audio signal to different playback loudspeaker setup
EP2738962A1 (en) * 2012-11-29 2014-06-04 Thomson Licensing Method and apparatus for determining dominant sound source directions in a higher order ambisonics representation of a sound field
EP2743922A1 (en) * 2012-12-12 2014-06-18 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
WO2014177202A1 (en) * 2013-04-30 2014-11-06 Huawei Technologies Co., Ltd. Audio signal processing apparatus
US9466305B2 (en) * 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9369818B2 (en) 2013-05-29 2016-06-14 Qualcomm Incorporated Filtering with binaural room impulse responses with content analysis and weighting
US9384741B2 (en) * 2013-05-29 2016-07-05 Qualcomm Incorporated Binauralization of rotated higher order ambisonics
US9763019B2 (en) 2013-05-29 2017-09-12 Qualcomm Incorporated Analysis of decomposed representations of a sound field
EP4120699A1 (en) 2013-09-17 2023-01-18 Wilus Institute of Standards and Technology Inc. Method and apparatus for processing multimedia signals
US10580417B2 (en) * 2013-10-22 2020-03-03 Industry-Academic Cooperation Foundation, Yonsei University Method and apparatus for binaural rendering audio signal using variable order filtering in frequency domain
EP2866475A1 (en) 2013-10-23 2015-04-29 Thomson Licensing Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups
EP3089483B1 (en) 2013-12-23 2020-05-13 Wilus Institute of Standards and Technology Inc. Audio signal processing method and audio signal processing device
KR102160254B1 (en) 2014-01-10 2020-09-25 삼성전자주식회사 Method and apparatus for 3D sound reproducing using active downmix
US9489955B2 (en) 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
WO2015142073A1 (en) 2014-03-19 2015-09-24 주식회사 윌러스표준기술연구소 Audio signal processing method and apparatus
KR102216801B1 (en) 2014-04-02 2021-02-17 주식회사 윌러스표준기술연구소 Audio signal processing method and device
KR102216657B1 (en) * 2014-04-02 2021-02-17 주식회사 윌러스표준기술연구소 A method and an apparatus for processing an audio signal
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
US9875745B2 (en) * 2014-10-07 2018-01-23 Qualcomm Incorporated Normalization of ambient higher order ambisonic audio data
US9826297B2 (en) 2014-10-29 2017-11-21 At&T Intellectual Property I, L.P. Accessory device that provides sensor input to a media device
US9794721B2 (en) * 2015-01-30 2017-10-17 Dts, Inc. System and method for capturing, encoding, distributing, and decoding immersive audio
JP2018509864A (en) 2015-02-12 2018-04-05 ドルビー ラボラトリーズ ライセンシング コーポレイション Reverberation generation for headphone virtualization
EP3121814A1 (en) * 2015-07-24 2017-01-25 Sound object techology S.A. in organization A method and a system for decomposition of acoustic signal into sound objects, a sound object and its use
DK3157268T3 (en) * 2015-10-12 2021-08-16 Oticon As Hearing aid and hearing system configured to locate an audio source
CN105376690A (en) * 2015-11-04 2016-03-02 北京时代拓灵科技有限公司 Method and device of generating virtual surround sound
US10225657B2 (en) 2016-01-18 2019-03-05 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
CN112235695B (en) * 2016-01-18 2022-04-15 云加速360公司 Method, system, and medium for audio signal crosstalk processing
KR101858918B1 (en) 2016-01-19 2018-05-16 붐클라우드 360, 인코포레이티드 Audio enhancement techniques for head-mounted speakers
CN105792090B (en) * 2016-04-27 2018-06-26 华为技术有限公司 A kind of method and apparatus for increasing reverberation
CN107358960B (en) * 2016-05-10 2021-10-26 华为技术有限公司 Coding method and coder for multi-channel signal
TWI744341B (en) * 2016-06-17 2021-11-01 美商Ｄｔｓ股份有限公司 Distance panning using near / far-field rendering
CN112954582B (en) 2016-06-21 2024-08-02 杜比实验室特许公司 Head tracking for pre-rendered binaural audio
MC200185B1 (en) 2016-09-16 2017-10-04 Coronal Audio Device and method for capturing and processing a three-dimensional acoustic field
MC200186B1 (en) 2016-09-30 2017-10-18 Coronal Encoding Method for conversion, stereo encoding, decoding and transcoding of a three-dimensional audio signal
CN107968984B (en) * 2016-10-20 2019-08-20 中国科学院声学研究所 A kind of 5-2 channel audio conversion optimization method
CN107182003B (en) * 2017-06-01 2019-09-27 西南电子技术研究所（中国电子科技集团公司第十研究所） Airborne three-dimensional call virtual auditory processing method
US10313820B2 (en) 2017-07-11 2019-06-04 Boomcloud 360, Inc. Sub-band spatial audio enhancement
CN107920303B (en) * 2017-11-21 2019-12-24 北京时代拓灵科技有限公司 Audio acquisition method and device
US10764704B2 (en) 2018-03-22 2020-09-01 Boomcloud 360, Inc. Multi-channel subband spatial processing for loudspeakers
US10609503B2 (en) 2018-04-08 2020-03-31 Dts, Inc. Ambisonic depth extraction
WO2020084170A1 (en) * 2018-10-26 2020-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Directional loudness map based audio processing
CN111757240B (en) * 2019-03-26 2021-08-20 瑞昱半导体股份有限公司 Audio processing method and audio processing system
CN111757239B (en) * 2019-03-28 2021-11-19 瑞昱半导体股份有限公司 Audio processing method and audio processing system
JP2022543121A (en) * 2019-08-08 2022-10-07 ジーエヌ ヒアリング エー／エス Bilateral hearing aid system and method for enhancing speech of one or more desired speakers
MX2022002320A (en) * 2019-09-03 2022-04-06 Dolby Laboratories Licensing Corp Audio filterbank with decorrelating components.
US10841728B1 (en) 2019-10-10 2020-11-17 Boomcloud 360, Inc. Multi-channel crosstalk processing
GB2598960A (en) * 2020-09-22 2022-03-23 Nokia Technologies Oy Parametric spatial audio rendering with near-field effect
GB2605970B (en) * 2021-04-19 2023-08-30 Waves Audio Ltd Content based spatial remixing
CN114173256B (en) * 2021-12-10 2024-04-19 中国电影科学技术研究所 Method, device and equipment for restoring sound field space and posture tracking

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006072270A1 (en) * 2005-01-10 2006-07-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Compact side information for parametric coding of spatial audio
WO2007031896A1 (en) * 2005-09-13 2007-03-22 Koninklijke Philips Electronics N.V. Audio coding
WO2007096808A1 (en) * 2006-02-21 2007-08-30 Koninklijke Philips Electronics N.V. Audio encoding and decoding

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4637725B2 (en) * 2005-11-11 2011-02-23 ソニー株式会社 Audio signal processing apparatus, audio signal processing method, and program

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006072270A1 (en) * 2005-01-10 2006-07-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Compact side information for parametric coding of spatial audio
WO2007031896A1 (en) * 2005-09-13 2007-03-22 Koninklijke Philips Electronics N.V. Audio coding
WO2007096808A1 (en) * 2006-02-21 2007-08-30 Koninklijke Philips Electronics N.V. Audio encoding and decoding

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Christof Faller. Parametric coding of spatial audio. Proc of the 7th Int. Conf. DAFx'04, Napoles, Italy, Oct 5-8 2004. *
Parametric coding of spatial audio. (CHRISTOF FALLER) Proc of the 17th Int Conf DAFx'04, Napoles, Italy. October 5-8 2004 *

Also Published As

Publication number Publication date
CN101884065B (en) 2013-07-10
WO2009046223A2 (en) 2009-04-09
GB201006665D0 (en) 2010-06-09
WO2009046223A3 (en) 2009-06-11
GB2467668A (en) 2010-08-11
CN101884065A (en) 2010-11-10

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