AU2012278094B2 - Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation - Google Patents

Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation Download PDF

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Publication number
AU2012278094B2
AU2012278094B2 AU2012278094A AU2012278094A AU2012278094B2 AU 2012278094 B2 AU2012278094 B2 AU 2012278094B2 AU 2012278094 A AU2012278094 A AU 2012278094A AU 2012278094 A AU2012278094 A AU 2012278094A AU 2012278094 B2 AU2012278094 B2 AU 2012278094B2
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warping
coefficients
order
matrix
vector
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AU2012278094A1 (en
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Johann-Markus Batke
Peter Jax
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InterDigital Madison Patent Holdings SAS
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/024—Positioning of loudspeaker enclosures for spatial sound reproduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
AU2012278094A 2011-06-30 2012-06-15 Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation Active AU2012278094B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11305845.7 2011-06-30
EP11305845A EP2541547A1 (en) 2011-06-30 2011-06-30 Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation
PCT/EP2012/061477 WO2013000740A1 (en) 2011-06-30 2012-06-15 Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation

Publications (2)

Publication Number Publication Date
AU2012278094A1 AU2012278094A1 (en) 2014-01-16
AU2012278094B2 true AU2012278094B2 (en) 2017-07-27

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AU2012278094A Active AU2012278094B2 (en) 2011-06-30 2012-06-15 Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation

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Country Link
US (1) US9338574B2 (enExample)
EP (2) EP2541547A1 (enExample)
JP (1) JP5921678B2 (enExample)
KR (1) KR102012988B1 (enExample)
CN (1) CN103635964B (enExample)
AU (1) AU2012278094B2 (enExample)
BR (1) BR112013032878B1 (enExample)
DK (1) DK2727109T3 (enExample)
HU (1) HUE051678T2 (enExample)
TW (1) TWI526088B (enExample)
WO (1) WO2013000740A1 (enExample)

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US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
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CN111028849B (zh) 2014-01-08 2024-03-01 杜比国际公司 包括编码hoa表示的位流的解码方法和装置、以及介质
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
KR101884419B1 (ko) 2014-03-21 2018-08-02 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
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TWI794032B (zh) 2014-03-24 2023-02-21 瑞典商杜比國際公司 應用動態範圍壓縮至高階保真立體音響信號之方法和裝置
US20170086005A1 (en) * 2014-03-25 2017-03-23 Intellectual Discovery Co., Ltd. System and method for processing audio signal
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9852737B2 (en) * 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
CN112216291B (zh) * 2014-06-27 2025-01-17 杜比国际公司 声音或声场的压缩hoa声音表示的解码方法和装置
JP6641304B2 (ja) * 2014-06-27 2020-02-05 ドルビー・インターナショナル・アーベー 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
EP2960903A1 (en) 2014-06-27 2015-12-30 Thomson Licensing Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
KR102655047B1 (ko) * 2014-06-27 2024-04-08 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 방법
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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CN107004419B (zh) * 2014-11-28 2021-02-02 索尼公司 发送装置、发送方法、接收装置和接收方法
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AR112504A1 (es) 2017-07-14 2019-11-06 Fraunhofer Ges Forschung Concepto para generar una descripción mejorada de campo de sonido o un campo de sonido modificado utilizando una descripción multi-capa
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Also Published As

Publication number Publication date
EP2541547A1 (en) 2013-01-02
KR102012988B1 (ko) 2019-08-21
JP5921678B2 (ja) 2016-05-24
JP2014523172A (ja) 2014-09-08
WO2013000740A1 (en) 2013-01-03
TWI526088B (zh) 2016-03-11
BR112013032878B1 (pt) 2021-04-13
EP2727109A1 (en) 2014-05-07
CN103635964A (zh) 2014-03-12
EP2727109B1 (en) 2020-08-05
TW201301911A (zh) 2013-01-01
HUE051678T2 (hu) 2021-03-29
KR20140051927A (ko) 2014-05-02
US20140133660A1 (en) 2014-05-15
DK2727109T3 (da) 2020-08-31
CN103635964B (zh) 2016-05-04
AU2012278094A1 (en) 2014-01-16
BR112013032878A2 (pt) 2017-01-24
US9338574B2 (en) 2016-05-10

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