AU2003276362B2 - Method and system for processing a sound field representation - Google Patents

Method and system for processing a sound field representation Download PDF

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Publication number
AU2003276362B2
AU2003276362B2 AU2003276362A AU2003276362A AU2003276362B2 AU 2003276362 B2 AU2003276362 B2 AU 2003276362B2 AU 2003276362 A AU2003276362 A AU 2003276362A AU 2003276362 A AU2003276362 A AU 2003276362A AU 2003276362 B2 AU2003276362 B2 AU 2003276362B2
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Australia
Prior art keywords
coefficients
sound field
directivity
processing operation
filtering
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Expired
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AU2003276362A
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AU2003276362A1 (en
Inventor
Remy Bruno
Arnaud Laborie
Sebastien Montoya
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Trinnov Audio
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Trinnov Audio
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Electrophonic Musical Instruments (AREA)
AU2003276362A 2002-09-23 2003-09-22 Method and system for processing a sound field representation Expired AU2003276362B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR02/11739 2002-09-23
FR0211739A FR2844894B1 (fr) 2002-09-23 2002-09-23 Procede et systeme de traitement d'une representation d'un champ acoustique
PCT/FR2003/002784 WO2004027642A2 (fr) 2002-09-23 2003-09-22 Procede et systeme de traitement d'une representation d'un champ acoustique

Publications (2)

Publication Number Publication Date
AU2003276362A1 AU2003276362A1 (en) 2004-04-08
AU2003276362B2 true AU2003276362B2 (en) 2010-04-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003276362A Expired AU2003276362B2 (en) 2002-09-23 2003-09-22 Method and system for processing a sound field representation

Country Status (9)

Country Link
US (1) US8014532B2 (enExample)
EP (1) EP1546916B1 (enExample)
JP (1) JP4624790B2 (enExample)
KR (1) KR101021895B1 (enExample)
CN (1) CN100557600C (enExample)
AU (1) AU2003276362B2 (enExample)
CA (1) CA2499658C (enExample)
FR (1) FR2844894B1 (enExample)
WO (1) WO2004027642A2 (enExample)

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FR2947334B1 (fr) * 2009-06-26 2011-08-26 Commissariat Energie Atomique Procede et appareil de conversion d'un deplacement d'un objet magnetique en un signal directement perceptible, instrument incorporant cet appareil
KR101282673B1 (ko) 2011-12-09 2013-07-05 현대자동차주식회사 음원 위치 추정 방법
US9190065B2 (en) * 2012-07-15 2015-11-17 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
KR102201713B1 (ko) 2012-07-19 2021-01-12 돌비 인터네셔널 에이비 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스
KR20140036731A (ko) * 2012-09-18 2014-03-26 한국전자통신연구원 응용 프로그램 개발 방법 및 시스템
EP2782094A1 (en) 2013-03-22 2014-09-24 Thomson Licensing Method and apparatus for enhancing directivity of a 1st order Ambisonics signal
US9723305B2 (en) 2013-03-29 2017-08-01 Qualcomm Incorporated RTP payload format designs
US9466305B2 (en) * 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9769586B2 (en) 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9489955B2 (en) 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
US9900722B2 (en) 2014-04-29 2018-02-20 Microsoft Technology Licensing, Llc HRTF personalization based on anthropometric features
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
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US10028070B1 (en) 2017-03-06 2018-07-17 Microsoft Technology Licensing, Llc Systems and methods for HRTF personalization
US10278002B2 (en) * 2017-03-20 2019-04-30 Microsoft Technology Licensing, Llc Systems and methods for non-parametric processing of head geometry for HRTF personalization
US11205443B2 (en) 2018-07-27 2021-12-21 Microsoft Technology Licensing, Llc Systems, methods, and computer-readable media for improved audio feature discovery using a neural network
JP7459779B2 (ja) * 2020-12-17 2024-04-02 トヨタ自動車株式会社 音源候補抽出システムおよび音源探査方法

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Also Published As

Publication number Publication date
CN100557600C (zh) 2009-11-04
FR2844894A1 (fr) 2004-03-26
KR20050074451A (ko) 2005-07-18
FR2844894B1 (fr) 2004-12-17
EP1546916A2 (fr) 2005-06-29
AU2003276362A1 (en) 2004-04-08
JP2006500809A (ja) 2006-01-05
US8014532B2 (en) 2011-09-06
EP1546916B1 (fr) 2020-04-15
WO2004027642A3 (fr) 2004-08-05
CN1723453A (zh) 2006-01-18
KR101021895B1 (ko) 2011-03-18
JP4624790B2 (ja) 2011-02-02
CA2499658A1 (fr) 2004-04-01
CA2499658C (fr) 2012-04-17
US20060126852A1 (en) 2006-06-15
WO2004027642A2 (fr) 2004-04-01

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