CA3190353A1 - Method and apparatus for compressing and decompressing a higher order ambisonics representation - Google Patents

Method and apparatus for compressing and decompressing a higher order ambisonics representation

Info

Publication number
CA3190353A1
CA3190353A1 CA3190353A CA3190353A CA3190353A1 CA 3190353 A1 CA3190353 A1 CA 3190353A1 CA 3190353 A CA3190353 A CA 3190353A CA 3190353 A CA3190353 A CA 3190353A CA 3190353 A1 CA3190353 A1 CA 3190353A1
Authority
CA
Canada
Prior art keywords
frame
hoa
coefficient sequences
directional signals
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
CA3190353A
Other languages
English (en)
French (fr)
Inventor
Alexander Krueger
Sven Kordon
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 CA3190353A1 publication Critical patent/CA3190353A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3190353A 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation Pending CA3190353A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13305558.2 2013-04-29
EP13305558.2A EP2800401A1 (en) 2013-04-29 2013-04-29 Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
CA3110057A CA3110057C (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3110057A Division CA3110057C (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation

Publications (1)

Publication Number Publication Date
CA3190353A1 true CA3190353A1 (en) 2014-11-06

Family

ID=48607176

Family Applications (8)

Application Number Title Priority Date Filing Date
CA3190353A Pending CA3190353A1 (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3190346A Pending CA3190346A1 (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3168921A Active CA3168921C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION
CA2907595A Active CA2907595C (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3168916A Active CA3168916C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION
CA3168906A Active CA3168906C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION
CA3110057A Active CA3110057C (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3168901A Active CA3168901C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION

Family Applications After (7)

Application Number Title Priority Date Filing Date
CA3190346A Pending CA3190346A1 (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3168921A Active CA3168921C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION
CA2907595A Active CA2907595C (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3168916A Active CA3168916C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION
CA3168906A Active CA3168906C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION
CA3110057A Active CA3110057C (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3168901A Active CA3168901C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION

Country Status (10)

Country Link
US (10) US9736607B2 (enExample)
EP (6) EP2800401A1 (enExample)
JP (8) JP6395811B2 (enExample)
KR (6) KR20250161668A (enExample)
CN (5) CN107293304B (enExample)
CA (8) CA3190353A1 (enExample)
MX (6) MX384230B (enExample)
MY (2) MY176454A (enExample)
RU (1) RU2668060C2 (enExample)
WO (1) WO2014177455A1 (enExample)

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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
JP6656182B2 (ja) 2014-06-27 2020-03-04 ドルビー・インターナショナル・アーベー Ｈｏａデータ・フレーム表現のデータ・フレームの個々のもののチャネル信号に関連付けられた非差分的な利得値を含む符号化されたｈｏａデータ・フレーム表現
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
CN106463131B (zh) 2014-07-02 2020-12-08 杜比国际公司 用于对hoa信号表示的子带内的主导方向信号的方向进行编码/解码的方法和装置
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
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
KR102433192B1 (ko) 2014-07-02 2022-08-18 돌비 인터네셔널 에이비 압축된 ｈｏａ 표현을 디코딩하기 위한 방법 및 장치와 압축된 ｈｏａ 표현을 인코딩하기 위한 방법 및 장치
US9536531B2 (en) 2014-08-01 2017-01-03 Qualcomm Incorporated Editing of higher-order ambisonic audio data
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
EP3007167A1 (en) 2014-10-10 2016-04-13 Thomson Licensing Method and apparatus for low bit rate compression of a Higher Order Ambisonics HOA signal representation of a sound field
US12087311B2 (en) 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
EP3329486B1 (en) 2015-07-30 2020-07-29 Dolby International AB Method and apparatus for generating from an hoa signal representation a mezzanine hoa signal representation
EP3345409B1 (en) 2015-08-31 2021-11-17 Dolby International AB Method for frame-wise combined decoding and rendering of a compressed hoa signal and apparatus for frame-wise combined decoding and rendering of a compressed hoa signal
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
CN108886649B (zh) * 2016-03-15 2020-11-10 弗劳恩霍夫应用研究促进协会 用于生成声场描述的装置、方法或计算机程序
US10332530B2 (en) * 2017-01-27 2019-06-25 Google Llc Coding of a soundfield representation
WO2018203471A1 (ja) * 2017-05-01 2018-11-08 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置及び符号化方法
US10405126B2 (en) * 2017-06-30 2019-09-03 Qualcomm Incorporated Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems
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CN110113119A (zh) * 2019-04-26 2019-08-09 国家无线电监测中心 一种基于人工智能算法的无线信道建模方法
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Also Published As

Publication number Publication date
KR102440104B1 (ko) 2022-09-05
EP3598779A1 (en) 2020-01-22
EP2800401A1 (en) 2014-11-05
CN107293304A (zh) 2017-10-24
KR20220039846A (ko) 2022-03-29
CN107180639B (zh) 2021-01-05
MX2015015016A (es) 2016-03-09
JP2016520864A (ja) 2016-07-14
CN105144752A (zh) 2015-12-09
US11284210B2 (en) 2022-03-22
RU2668060C2 (ru) 2018-09-25
KR102232486B1 (ko) 2021-03-29
CN107180639A (zh) 2017-09-19
JP7717911B2 (ja) 2025-08-04
US10264382B2 (en) 2019-04-16
CA3168901A1 (en) 2014-11-06
KR20240096662A (ko) 2024-06-26
KR102377798B1 (ko) 2022-03-23
EP2992689B1 (en) 2017-05-10
JP2021060614A (ja) 2021-04-15
CA2907595C (en) 2021-04-13
EP3232687A1 (en) 2017-10-18
EP3598779B1 (en) 2021-08-18
KR20250161668A (ko) 2025-11-17
KR20210034685A (ko) 2021-03-30
US20210337334A1 (en) 2021-10-28
US20220225044A1 (en) 2022-07-14
CN107146627A (zh) 2017-09-08
KR102672762B1 (ko) 2024-06-07
MY195690A (en) 2023-02-03
CN107146626A (zh) 2017-09-08
CA3190346A1 (en) 2014-11-06
MX347283B (es) 2017-04-21
JP2023093681A (ja) 2023-07-04
EP3926984B1 (en) 2024-10-02
CN107146626B (zh) 2020-09-08
KR20160002846A (ko) 2016-01-08
US20170318406A1 (en) 2017-11-02
US20250380100A1 (en) 2025-12-11
US20220217489A1 (en) 2022-07-07
EP2992689A1 (en) 2016-03-09
MX2022012179A (es) 2022-10-27
CA3110057A1 (en) 2014-11-06
EP3926984A1 (en) 2021-12-22
US11895477B2 (en) 2024-02-06
CN105144752B (zh) 2017-08-08
KR102882646B1 (ko) 2025-11-07
CA3168901C (en) 2025-07-08
CA3168906C (en) 2025-07-08
JP7511707B2 (ja) 2024-07-05
US9913063B2 (en) 2018-03-06
EP4462430A3 (en) 2025-02-19
US10999688B2 (en) 2021-05-04
JP2019008309A (ja) 2019-01-17
US12317055B2 (en) 2025-05-27
CA3168921C (en) 2025-07-08
CA3168916A1 (en) 2014-11-06
CA3168906A1 (en) 2014-11-06
US20200304931A1 (en) 2020-09-24
CA3110057C (en) 2023-04-04
MX2020002786A (es) 2020-07-22
WO2014177455A1 (en) 2014-11-06
CN107293304B (zh) 2021-01-05
US11758344B2 (en) 2023-09-12
JP2022058929A (ja) 2022-04-12
US20180146315A1 (en) 2018-05-24
JP2024123190A (ja) 2024-09-10
EP3232687B1 (en) 2019-08-14
CA2907595A1 (en) 2014-11-06
EP4462430A2 (en) 2024-11-13
JP2025157488A (ja) 2025-10-15
MX384230B (es) 2025-03-14
MX2022012180A (es) 2022-10-27
US10623878B2 (en) 2020-04-14
JP6606241B2 (ja) 2019-11-13
CA3168916C (en) 2025-07-08
MY176454A (en) 2020-08-10
US9736607B2 (en) 2017-08-15
JP7023342B2 (ja) 2022-02-21
MX2022012186A (es) 2022-10-27
JP6818838B2 (ja) 2021-01-20
KR20220124297A (ko) 2022-09-13
CN107146627B (zh) 2020-10-30
JP7270788B2 (ja) 2023-05-10
US20240259743A1 (en) 2024-08-01
JP2020024445A (ja) 2020-02-13
US20190297443A1 (en) 2019-09-26
US20160088415A1 (en) 2016-03-24
RU2015150988A (ru) 2017-06-07
RU2018133016A3 (enExample) 2022-02-16
CA3168921A1 (en) 2014-11-06
JP6395811B2 (ja) 2018-09-26
RU2018133016A (ru) 2018-10-02

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