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; DEAF-AID SETS; 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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US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
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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
EP3860154B1 (en) * 2014-06-27 2024-02-21 Dolby International AB Method for decoding a compressed hoa dataframe representation of a sound field.
CN113808598B (zh) * 2014-06-27 2025-03-18 杜比国际公司 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法
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
CN107077852B (zh) * 2014-06-27 2020-12-04 杜比国际公司 包括与hoa数据帧表示的特定数据帧的通道信号关联的非差分增益值的编码hoa数据帧表示
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MC200186B1 (fr) * 2016-09-30 2017-10-18 Coronal Encoding Procédé de conversion, d'encodage stéréophonique, de décodage et de transcodage d'un signal audio tridimensionnel
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US9338574B2 (en) 2016-05-10
JP2014523172A (ja) 2014-09-08
CN103635964B (zh) 2016-05-04
KR20140051927A (ko) 2014-05-02
BR112013032878B1 (pt) 2021-04-13
HUE051678T2 (hu) 2021-03-29
KR102012988B1 (ko) 2019-08-21
JP5921678B2 (ja) 2016-05-24
WO2013000740A1 (en) 2013-01-03
DK2727109T3 (da) 2020-08-31
EP2727109B1 (en) 2020-08-05
TW201301911A (zh) 2013-01-01
EP2727109A1 (en) 2014-05-07
EP2541547A1 (en) 2013-01-02
BR112013032878A2 (pt) 2017-01-24
US20140133660A1 (en) 2014-05-15
AU2012278094A1 (en) 2014-01-16
CN103635964A (zh) 2014-03-12
TWI526088B (zh) 2016-03-11

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