AU2014339080B2 - Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups - Google Patents

Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups Download PDF

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Publication number
AU2014339080B2
AU2014339080B2 AU2014339080A AU2014339080A AU2014339080B2 AU 2014339080 B2 AU2014339080 B2 AU 2014339080B2 AU 2014339080 A AU2014339080 A AU 2014339080A AU 2014339080 A AU2014339080 A AU 2014339080A AU 2014339080 B2 AU2014339080 B2 AU 2014339080B2
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positions
loudspeaker
decode matrix
loudspeakers
virtual
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AU2014339080A1 (en
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Johannes Boehm
Florian Keiler
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Dolby International AB
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Dolby International AB
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Priority to AU2018267665A priority Critical patent/AU2018267665B2/en
Priority to AU2021200911A priority patent/AU2021200911B2/en
Priority to AU2022291443A priority patent/AU2022291443B2/en
Priority to AU2022291445A priority patent/AU2022291445B2/en
Priority to AU2022291444A priority patent/AU2022291444B2/en
Priority to AU2025201486A priority patent/AU2025201486A1/en
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    • 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
    • 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
    • H04S7/308—Electronic adaptation dependent on speaker or headphone connection
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • 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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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
AU2014339080A 2013-10-23 2014-10-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups Active AU2014339080B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2018267665A AU2018267665B2 (en) 2013-10-23 2018-11-23 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2021200911A AU2021200911B2 (en) 2013-10-23 2021-02-12 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2022291444A AU2022291444B2 (en) 2013-10-23 2022-12-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2022291445A AU2022291445B2 (en) 2013-10-23 2022-12-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2022291443A AU2022291443B2 (en) 2013-10-23 2022-12-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2025201486A AU2025201486A1 (en) 2013-10-23 2025-02-28 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups

Applications Claiming Priority (3)

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EP13290255.2 2013-10-23
EP20130290255 EP2866475A1 (en) 2013-10-23 2013-10-23 Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups
PCT/EP2014/072411 WO2015059081A1 (en) 2013-10-23 2014-10-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups

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AU2014339080B2 true AU2014339080B2 (en) 2018-08-30

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AU2014339080A Active AU2014339080B2 (en) 2013-10-23 2014-10-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2018267665A Active AU2018267665B2 (en) 2013-10-23 2018-11-23 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2021200911A Active AU2021200911B2 (en) 2013-10-23 2021-02-12 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2022291445A Active AU2022291445B2 (en) 2013-10-23 2022-12-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2022291444A Active AU2022291444B2 (en) 2013-10-23 2022-12-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2022291443A Active AU2022291443B2 (en) 2013-10-23 2022-12-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2025201486A Pending AU2025201486A1 (en) 2013-10-23 2025-02-28 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups

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AU2018267665A Active AU2018267665B2 (en) 2013-10-23 2018-11-23 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2021200911A Active AU2021200911B2 (en) 2013-10-23 2021-02-12 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2022291445A Active AU2022291445B2 (en) 2013-10-23 2022-12-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2022291444A Active AU2022291444B2 (en) 2013-10-23 2022-12-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2022291443A Active AU2022291443B2 (en) 2013-10-23 2022-12-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
AU2025201486A Pending AU2025201486A1 (en) 2013-10-23 2025-02-28 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups

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US (9) US9813834B2 (enExample)
EP (5) EP2866475A1 (enExample)
JP (6) JP6463749B2 (enExample)
KR (4) KR20240017091A (enExample)
CN (6) CN108337624B (enExample)
AU (7) AU2014339080B2 (enExample)
BR (2) BR122017020302B1 (enExample)
CA (5) CA3168427C (enExample)
ES (1) ES2637922T3 (enExample)
MX (5) MX395579B (enExample)
MY (2) MY191340A (enExample)
RU (2) RU2766560C2 (enExample)
TW (6) TWI841483B (enExample)
WO (1) WO2015059081A1 (enExample)
ZA (6) ZA201801738B (enExample)

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HK1257203A1 (zh) 2019-10-18
US20190349699A1 (en) 2019-11-14
US20160309273A1 (en) 2016-10-20
CN108337624B (zh) 2021-08-24
JP6950014B2 (ja) 2021-10-13
CN108632736B (zh) 2021-06-01
JP2024138553A (ja) 2024-10-08
US20220408209A1 (en) 2022-12-22
CN108632737A (zh) 2018-10-09
HK1221105A1 (zh) 2017-05-19
BR112016009209A8 (pt) 2017-12-05
AU2025201486A1 (en) 2025-03-20
AU2018267665A1 (en) 2018-12-13
AU2022291443B2 (en) 2024-11-28
JP7529371B2 (ja) 2024-08-06
CA3147196C (en) 2024-01-09
MX2022011449A (es) 2023-03-08
RU2019100542A3 (enExample) 2021-12-08
EP3300391A1 (en) 2018-03-28
AU2022291445A1 (en) 2023-02-02
AU2022291444B2 (en) 2024-04-18
ES2637922T3 (es) 2017-10-17
AU2014339080A1 (en) 2016-05-26
CA3221605A1 (en) 2015-04-30
KR20210037747A (ko) 2021-04-06
CN108777836A (zh) 2018-11-09
EP3742763A1 (en) 2020-11-25
RU2019100542A (ru) 2019-02-28
CN108777837A (zh) 2018-11-09
EP3742763B1 (en) 2023-03-29
TW202022853A (zh) 2020-06-16
US11750996B2 (en) 2023-09-05
US9813834B2 (en) 2017-11-07
MX2022011448A (es) 2023-03-14
CA3147196A1 (en) 2015-04-30
RU2016119533A3 (enExample) 2018-07-20
BR112016009209A2 (enExample) 2017-08-01
EP3061270A1 (en) 2016-08-31
JP7781978B2 (ja) 2025-12-08
MY179460A (en) 2020-11-06
TWI817909B (zh) 2023-10-01
EP3061270B1 (en) 2017-07-12
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JP7254137B2 (ja) 2023-04-07
JP6660493B2 (ja) 2020-03-11
AU2022291445B2 (en) 2025-01-02
JP2022008492A (ja) 2022-01-13
HK1255621A1 (zh) 2019-08-23
KR102235398B1 (ko) 2021-04-02
MX2016005191A (es) 2016-08-08
WO2015059081A1 (en) 2015-04-30
ZA202107269B (en) 2023-09-27
AU2018267665B2 (en) 2020-11-19
BR122017020302B1 (pt) 2022-07-05
RU2016119533A (ru) 2017-11-28
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TWI897339B (zh) 2025-09-11
MX359846B (es) 2018-10-12
EP3300391B1 (en) 2020-08-05
CA3168427C (en) 2025-06-03
US11770667B2 (en) 2023-09-26
US11451918B2 (en) 2022-09-20
CN105637902B (zh) 2018-06-05
CN108632737B (zh) 2020-11-06
TWI686794B (zh) 2020-03-01
TWI841483B (zh) 2024-05-01
KR102491042B1 (ko) 2023-01-26
HK1252979A1 (en) 2019-06-06
CN108337624A (zh) 2018-07-27
CN108632736A (zh) 2018-10-09
CA3147189C (en) 2024-04-30
US20200382889A1 (en) 2020-12-03
TW202507712A (zh) 2025-02-16
CN108777837B (zh) 2021-08-24
KR20240017091A (ko) 2024-02-06
MX2018012489A (es) 2020-11-06
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AU2022291443A1 (en) 2023-02-02
BR112016009209B1 (pt) 2021-11-16
JP2020074643A (ja) 2020-05-14
US20250267416A1 (en) 2025-08-21
MX2022011447A (es) 2023-02-23
CA3168427A1 (en) 2015-04-30
KR20160074501A (ko) 2016-06-28
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US10158959B2 (en) 2018-12-18
US20180077510A1 (en) 2018-03-15
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US20210306785A1 (en) 2021-09-30
US20220417690A1 (en) 2022-12-29
EP4213508A1 (en) 2023-07-19
RU2679230C2 (ru) 2019-02-06
CA3147189A1 (en) 2015-04-30
KR20230018528A (ko) 2023-02-07
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US20240056755A1 (en) 2024-02-15
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US10986455B2 (en) 2021-04-20
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