JP6395811B2 - 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置 - Google Patents

高次アンビソニックス表現を圧縮および圧縮解除する方法および装置 Download PDF

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JP6395811B2
JP6395811B2 JP2016509473A JP2016509473A JP6395811B2 JP 6395811 B2 JP6395811 B2 JP 6395811B2 JP 2016509473 A JP2016509473 A JP 2016509473A JP 2016509473 A JP2016509473 A JP 2016509473A JP 6395811 B2 JP6395811 B2 JP 6395811B2
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hoa
hoa coefficient
frame
residual
directional
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JP2016520864A5 (enExample
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クルーガー，アレクサンダー
コルドン，スフエン
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ドルビー・インターナショナル・アーベー
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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
    • 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
    • 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
    • H04S2420/13—Application of wave-field synthesis in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2016509473A 2013-04-29 2014-04-24 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置 Active JP6395811B2 (ja)

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EP13305558.2A EP2800401A1 (en) 2013-04-29 2013-04-29 Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
EP13305558.2 2013-04-29
PCT/EP2014/058380 WO2014177455A1 (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation

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JP2018158976A Active JP6606241B2 (ja) 2013-04-29 2018-08-28 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2019190235A Active JP6818838B2 (ja) 2013-04-29 2019-10-17 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2020218142A Active JP7023342B2 (ja) 2013-04-29 2020-12-28 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2022017626A Active JP7270788B2 (ja) 2013-04-29 2022-02-08 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2023071244A Active JP7511707B2 (ja) 2013-04-29 2023-04-25 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2024101601A Active JP7717911B2 (ja) 2013-04-29 2024-06-25 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2025123005A Pending JP2025157488A (ja) 2013-04-29 2025-07-23 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置

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JP2019190235A Active JP6818838B2 (ja) 2013-04-29 2019-10-17 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2020218142A Active JP7023342B2 (ja) 2013-04-29 2020-12-28 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2022017626A Active JP7270788B2 (ja) 2013-04-29 2022-02-08 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2023071244A Active JP7511707B2 (ja) 2013-04-29 2023-04-25 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2024101601A Active JP7717911B2 (ja) 2013-04-29 2024-06-25 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2025123005A Pending JP2025157488A (ja) 2013-04-29 2025-07-23 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置

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EP (6) EP2800401A1 (enExample)
JP (8) JP6395811B2 (enExample)
KR (6) KR102882646B1 (enExample)
CN (5) CN107146626B (enExample)
CA (8) CA3190353A1 (enExample)
MX (6) MX347283B (enExample)
MY (2) MY176454A (enExample)
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CA3190346A1 (en) 2014-11-06
JP7023342B2 (ja) 2022-02-21
US20220217489A1 (en) 2022-07-07
EP3598779B1 (en) 2021-08-18
CA3168916C (en) 2025-07-08
JP2025157488A (ja) 2025-10-15
CN107146626B (zh) 2020-09-08
US12317055B2 (en) 2025-05-27
JP7270788B2 (ja) 2023-05-10
MX2022012179A (es) 2022-10-27
CA3168901A1 (en) 2014-11-06
US20160088415A1 (en) 2016-03-24
KR102377798B1 (ko) 2022-03-23
CA2907595C (en) 2021-04-13
JP7717911B2 (ja) 2025-08-04
US20250380100A1 (en) 2025-12-11
MX2020002786A (es) 2020-07-22
US11895477B2 (en) 2024-02-06
KR20210034685A (ko) 2021-03-30
US20220225044A1 (en) 2022-07-14
US10264382B2 (en) 2019-04-16
CN107146627A (zh) 2017-09-08
EP3926984B1 (en) 2024-10-02
KR20160002846A (ko) 2016-01-08
MY176454A (en) 2020-08-10
JP6606241B2 (ja) 2019-11-13
US20210337334A1 (en) 2021-10-28
EP3232687B1 (en) 2019-08-14
JP6818838B2 (ja) 2021-01-20
JP2019008309A (ja) 2019-01-17
RU2018133016A3 (enExample) 2022-02-16
CA3168921C (en) 2025-07-08
CA3110057C (en) 2023-04-04
MX347283B (es) 2017-04-21
EP2800401A1 (en) 2014-11-05
KR20250161668A (ko) 2025-11-17
KR102232486B1 (ko) 2021-03-29
EP4462430A2 (en) 2024-11-13
CN107146626A (zh) 2017-09-08
JP2020024445A (ja) 2020-02-13
MX384230B (es) 2025-03-14
JP2024123190A (ja) 2024-09-10
CN107293304B (zh) 2021-01-05
KR20220124297A (ko) 2022-09-13
WO2014177455A1 (en) 2014-11-06
US20190297443A1 (en) 2019-09-26
US10999688B2 (en) 2021-05-04
EP3232687A1 (en) 2017-10-18
CA3168906A1 (en) 2014-11-06
EP3598779A1 (en) 2020-01-22
KR20240096662A (ko) 2024-06-26
RU2015150988A (ru) 2017-06-07
CN107180639A (zh) 2017-09-19
CA3110057A1 (en) 2014-11-06
KR102440104B1 (ko) 2022-09-05
JP2023093681A (ja) 2023-07-04
EP2992689B1 (en) 2017-05-10
JP2022058929A (ja) 2022-04-12
CN107146627B (zh) 2020-10-30
US20200304931A1 (en) 2020-09-24
CN107293304A (zh) 2017-10-24
CN105144752A (zh) 2015-12-09
CN105144752B (zh) 2017-08-08
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US11284210B2 (en) 2022-03-22
US10623878B2 (en) 2020-04-14
US9913063B2 (en) 2018-03-06
EP4462430A3 (en) 2025-02-19
MX2022012180A (es) 2022-10-27
RU2668060C2 (ru) 2018-09-25
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US20170318406A1 (en) 2017-11-02
CA3168921A1 (en) 2014-11-06
CN107180639B (zh) 2021-01-05
EP2992689A1 (en) 2016-03-09
US20180146315A1 (en) 2018-05-24
JP2021060614A (ja) 2021-04-15
US11758344B2 (en) 2023-09-12
JP7511707B2 (ja) 2024-07-05
MY195690A (en) 2023-02-03
KR102882646B1 (ko) 2025-11-07
CA3168906C (en) 2025-07-08
CA2907595A1 (en) 2014-11-06
US20240259743A1 (en) 2024-08-01
KR102672762B1 (ko) 2024-06-07
KR20220039846A (ko) 2022-03-29
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US9736607B2 (en) 2017-08-15
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