CA3209871A1 - Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals - Google Patents

Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals

Info

Publication number
CA3209871A1
CA3209871A1 CA3209871A CA3209871A CA3209871A1 CA 3209871 A1 CA3209871 A1 CA 3209871A1 CA 3209871 A CA3209871 A CA 3209871A CA 3209871 A CA3209871 A CA 3209871A CA 3209871 A1 CA3209871 A1 CA 3209871A1
Authority
CA
Canada
Prior art keywords
vector
signals
hoa
coefficient
domain signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3209871A
Other languages
English (en)
French (fr)
Inventor
Sven Kordon
Alexander Krueger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby International AB
Original Assignee
Dolby International AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby International AB filed Critical Dolby International AB
Publication of CA3209871A1 publication Critical patent/CA3209871A1/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11Application of ambisonics in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Stereophonic System (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Radio Relay Systems (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Error Detection And Correction (AREA)
CA3209871A 2013-07-11 2014-06-24 Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals Pending CA3209871A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13305986.5 2013-07-11
EP20130305986 EP2824661A1 (en) 2013-07-11 2013-07-11 Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals
CA3131695A CA3131695C (en) 2013-07-11 2014-06-24 Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3131695A Division CA3131695C (en) 2013-07-11 2014-06-24 Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals

Publications (1)

Publication Number Publication Date
CA3209871A1 true CA3209871A1 (en) 2015-01-15

Family

ID=48915948

Family Applications (4)

Application Number Title Priority Date Filing Date
CA3209871A Pending CA3209871A1 (en) 2013-07-11 2014-06-24 Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals
CA3131695A Active CA3131695C (en) 2013-07-11 2014-06-24 Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals
CA3131690A Active CA3131690C (en) 2013-07-11 2014-06-24 Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals
CA2914904A Active CA2914904C (en) 2013-07-11 2014-06-24 Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals

Family Applications After (3)

Application Number Title Priority Date Filing Date
CA3131695A Active CA3131695C (en) 2013-07-11 2014-06-24 Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals
CA3131690A Active CA3131690C (en) 2013-07-11 2014-06-24 Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals
CA2914904A Active CA2914904C (en) 2013-07-11 2014-06-24 Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals

Country Status (14)

Country Link
US (9) US9668079B2 (enExample)
EP (5) EP2824661A1 (enExample)
JP (5) JP6490068B2 (enExample)
KR (5) KR102386726B1 (enExample)
CN (9) CN110648675B (enExample)
AU (4) AU2014289527B2 (enExample)
BR (3) BR122017013717B1 (enExample)
CA (4) CA3209871A1 (enExample)
MX (2) MX354300B (enExample)
MY (3) MY192149A (enExample)
RU (1) RU2670797C9 (enExample)
TW (6) TWI633539B (enExample)
WO (1) WO2015003900A1 (enExample)
ZA (7) ZA201508710B (enExample)

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EP2665208A1 (en) 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
EP2824661A1 (en) 2013-07-11 2015-01-14 Thomson Licensing Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals
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
CN117612540A (zh) 2014-06-27 2024-02-27 杜比国际公司 用于解码声音或声场的高阶高保真度立体声响复制(hoa)表示的方法
EP3162087B1 (en) 2014-06-27 2021-03-17 Dolby International AB Coded hoa data frame representation that includes non-differential gain values associated with channel signals of specific ones of the data frames of an hoa data frame representation
EP2963949A1 (en) 2014-07-02 2016-01-06 Thomson Licensing Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation
KR102460820B1 (ko) 2014-07-02 2022-10-31 돌비 인터네셔널 에이비 Hoa 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 위한 방법 및 장치
EP2963948A1 (en) 2014-07-02 2016-01-06 Thomson Licensing Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation
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WO2016001357A1 (en) 2014-07-02 2016-01-07 Thomson Licensing Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa representation
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US9875745B2 (en) * 2014-10-07 2018-01-23 Qualcomm Incorporated Normalization of ambient higher order ambisonic audio data
US10468037B2 (en) 2015-07-30 2019-11-05 Dolby Laboratories Licensing Corporation Method and apparatus for generating from an HOA signal representation a mezzanine HOA signal representation
US12087311B2 (en) 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
US12183352B2 (en) * 2022-09-15 2024-12-31 Sony Interactive Entertainment Inc. Multi-order optimized Ambisonics decoding

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BR122020017865B1 (pt) 2024-02-27
ZA201807916B (en) 2020-05-27
JP2021036333A (ja) 2021-03-04
KR20240055139A (ko) 2024-04-26
AU2014289527A1 (en) 2016-02-04
CN110491397A (zh) 2019-11-22
US20180048974A1 (en) 2018-02-15
TWI633539B (zh) 2018-08-21
RU2016104403A3 (enExample) 2018-05-11
ZA201508710B (en) 2019-07-31
EP3020041A1 (en) 2016-05-18
US20170245084A1 (en) 2017-08-24
CA3131690C (en) 2024-01-02
TW202516945A (zh) 2025-04-16
JP6490068B2 (ja) 2019-03-27
TW201503111A (zh) 2015-01-16
KR20210029302A (ko) 2021-03-15
CN116884421A (zh) 2023-10-13
KR20160028442A (ko) 2016-03-11
BR112016000245A2 (enExample) 2017-07-25
ZA201903363B (en) 2020-09-30
US9900721B2 (en) 2018-02-20
US20220225045A1 (en) 2022-07-14
TWI669706B (zh) 2019-08-21
EP4456567A2 (en) 2024-10-30
EP4012704A1 (en) 2022-06-15
JP7504174B2 (ja) 2024-06-21
CN117275492A (zh) 2023-12-22
EP3518235B1 (en) 2021-12-29
US20210144503A1 (en) 2021-05-13
JP2019113858A (ja) 2019-07-11
ZA202202892B (en) 2023-11-29
CN110459231B (zh) 2023-07-14
KR102534163B1 (ko) 2023-05-30
US20190356998A1 (en) 2019-11-21
CN110491397B (zh) 2023-10-27
US12245013B2 (en) 2025-03-04
MX354300B (es) 2018-02-23
JP6792011B2 (ja) 2020-11-25
BR122017013717A2 (enExample) 2017-07-25
MY174125A (en) 2020-03-10
CN105378833A (zh) 2016-03-02
CN110459230A (zh) 2019-11-15
MY199036A (en) 2023-10-10
CN110648675A (zh) 2020-01-03
RU2018135962A (ru) 2018-11-14
KR102226620B1 (ko) 2021-03-12
MX2016000003A (es) 2016-03-09
US20190215630A9 (en) 2019-07-11
AU2022204314A1 (en) 2022-07-07
CN116564321A (zh) 2023-08-08
US9668079B2 (en) 2017-05-30
KR20230070540A (ko) 2023-05-23
TWI871529B (zh) 2025-02-01
US11297455B2 (en) 2022-04-05
JP2016528538A (ja) 2016-09-15
CN117116273A (zh) 2023-11-24
CA3131695A1 (en) 2015-01-15
WO2015003900A1 (en) 2015-01-15
CA2914904C (en) 2021-11-09
US20240171924A1 (en) 2024-05-23
CA2914904A1 (en) 2015-01-15
AU2014289527B2 (en) 2020-04-02
JP2024113161A (ja) 2024-08-21
CN110648675B (zh) 2023-06-23
CA3131690A1 (en) 2015-01-15
US20230179936A1 (en) 2023-06-08
TWI779381B (zh) 2022-10-01
JP7772487B2 (ja) 2025-11-18
KR20220051026A (ko) 2022-04-25
US20160150341A1 (en) 2016-05-26
EP4456567A3 (en) 2024-11-20
CN105378833B (zh) 2019-10-22
US20250184680A1 (en) 2025-06-05
CN110459230B (zh) 2023-10-20
CN110459231A (zh) 2019-11-15
BR122017013717B1 (pt) 2022-12-20
ZA202301623B (en) 2024-06-26
KR102658702B1 (ko) 2024-04-19
AU2020204222B2 (en) 2022-03-24
MX378436B (es) 2025-03-10
ZA202003171B (en) 2022-12-21
US11540076B2 (en) 2022-12-27
TW202326707A (zh) 2023-07-01
BR122017013717A8 (pt) 2017-12-05
AU2024201885A1 (en) 2024-04-11
TWI712034B (zh) 2020-12-01
BR112016000245B1 (pt) 2022-06-07
EP3020041B1 (en) 2018-12-19
US11863958B2 (en) 2024-01-02
US10382876B2 (en) 2019-08-13
EP4012704B1 (en) 2024-07-24
TW201832226A (zh) 2018-09-01
EP3518235A1 (en) 2019-07-31
BR112016000245A8 (pt) 2017-12-05
TW202013353A (zh) 2020-04-01
RU2670797C2 (ru) 2018-10-25
EP2824661A1 (en) 2015-01-14
RU2018135962A3 (enExample) 2022-03-31
US10841721B2 (en) 2020-11-17
AU2022204314B2 (en) 2024-03-14
TW202133147A (zh) 2021-09-01
RU2016104403A (ru) 2017-08-16
RU2670797C9 (ru) 2018-11-26
CA3131695C (en) 2023-09-26
JP2022185105A (ja) 2022-12-13
KR102386726B1 (ko) 2022-04-15
AU2020204222A1 (en) 2020-07-16
ZA202202891B (en) 2023-11-29
JP7158452B2 (ja) 2022-10-21
MY192149A (en) 2022-08-02

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