CA3168906C - METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION - Google Patents

METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION

Info

Publication number
CA3168906C
CA3168906C CA3168906A CA3168906A CA3168906C CA 3168906 C CA3168906 C CA 3168906C CA 3168906 A CA3168906 A CA 3168906A CA 3168906 A CA3168906 A CA 3168906A CA 3168906 C CA3168906 C CA 3168906C
Authority
CA
Canada
Prior art keywords
hoa
frame
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.)
Active
Application number
CA3168906A
Other languages
English (en)
French (fr)
Other versions
CA3168906A1 (en
Inventor
Sven Kordon
Alexander Krueger
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
Priority to CA3168906A priority Critical patent/CA3168906C/en
Publication of CA3168906A1 publication Critical patent/CA3168906A1/en
Application granted granted Critical
Publication of CA3168906C publication Critical patent/CA3168906C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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 
    • 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)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3168906A 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION Active CA3168906C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3168906A CA3168906C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION

Applications Claiming Priority (4)

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
CA3168906A CA3168906C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC 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 (2)

Publication Number Publication Date
CA3168906A1 CA3168906A1 (en) 2014-11-06
CA3168906C true CA3168906C (en) 2025-07-08

Family

ID=48607176

Family Applications (8)

Application Number Title Priority Date Filing Date
CA3168906A Active CA3168906C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION
CA3168901A Active CA3168901C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION
CA3190353A Pending CA3190353A1 (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3110057A Active CA3110057C (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
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
CA3168921A Active CA3168921C (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
CA3168901A Active CA3168901C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION
CA3190353A Pending CA3190353A1 (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3110057A Active CA3110057C (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
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
CA3168921A Active CA3168921C (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) KR102672762B1 (enExample)
CN (5) CN105144752B (enExample)
CA (8) CA3168906C (enExample)
MX (6) MX347283B (enExample)
MY (2) MY176454A (enExample)
RU (1) RU2668060C2 (enExample)
WO (1) WO2014177455A1 (enExample)

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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
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
WO2016001355A1 (en) 2014-07-02 2016-01-07 Thomson Licensing Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation
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
JP2017523452A (ja) 2014-07-02 2017-08-17 ドルビー・インターナショナル・アーベー Ｈｏａ信号表現のサブバンド内の優勢な方向性信号の方向のエンコード／デコードのための方法および装置
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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
US10257632B2 (en) 2015-08-31 2019-04-09 Dolby Laboratories Licensing Corporation 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
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JP6674021B2 (ja) 2016-03-15 2020-04-01 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 音場記述を生成する装置、方法、及びコンピュータプログラム
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Also Published As

Publication number Publication date
KR102672762B1 (ko) 2024-06-07
US10623878B2 (en) 2020-04-14
US12317055B2 (en) 2025-05-27
MX347283B (es) 2017-04-21
CA3110057A1 (en) 2014-11-06
US10264382B2 (en) 2019-04-16
KR102232486B1 (ko) 2021-03-29
CA3168901A1 (en) 2014-11-06
CN107180639A (zh) 2017-09-19
MY195690A (en) 2023-02-03
KR20160002846A (ko) 2016-01-08
RU2015150988A (ru) 2017-06-07
JP2024123190A (ja) 2024-09-10
EP3598779A1 (en) 2020-01-22
CA3168906A1 (en) 2014-11-06
CA2907595A1 (en) 2014-11-06
RU2018133016A (ru) 2018-10-02
CN107293304B (zh) 2021-01-05
CN105144752A (zh) 2015-12-09
CN107146627B (zh) 2020-10-30
US20170318406A1 (en) 2017-11-02
US20220225044A1 (en) 2022-07-14
KR20220039846A (ko) 2022-03-29
JP7023342B2 (ja) 2022-02-21
EP4462430A3 (en) 2025-02-19
JP7903038B2 (ja) 2026-08-10
US9913063B2 (en) 2018-03-06
US20180146315A1 (en) 2018-05-24
KR20250161668A (ko) 2025-11-17
EP3232687B1 (en) 2019-08-14
JP7270788B2 (ja) 2023-05-10
US9736607B2 (en) 2017-08-15
EP2992689B1 (en) 2017-05-10
US20200304931A1 (en) 2020-09-24
JP2025157488A (ja) 2025-10-15
CN107146626B (zh) 2020-09-08
WO2014177455A1 (en) 2014-11-06
MX2022012180A (es) 2022-10-27
JP2021060614A (ja) 2021-04-15
JP7717911B2 (ja) 2025-08-04
US20210337334A1 (en) 2021-10-28
JP2019008309A (ja) 2019-01-17
CA3190353A1 (en) 2014-11-06
EP2800401A1 (en) 2014-11-05
MX2022012186A (es) 2022-10-27
JP2016520864A (ja) 2016-07-14
CN105144752B (zh) 2017-08-08
US20240259743A1 (en) 2024-08-01
CN107146627A (zh) 2017-09-08
MX2015015016A (es) 2016-03-09
JP2022058929A (ja) 2022-04-12
MX384230B (es) 2025-03-14
CA2907595C (en) 2021-04-13
KR20240096662A (ko) 2024-06-26
JP7511707B2 (ja) 2024-07-05
US20220217489A1 (en) 2022-07-07
CA3168921C (en) 2025-07-08
CA3168916A1 (en) 2014-11-06
EP3926984A1 (en) 2021-12-22
EP3598779B1 (en) 2021-08-18
CA3168901C (en) 2025-07-08
EP4462430A2 (en) 2024-11-13
RU2668060C2 (ru) 2018-09-25
JP2020024445A (ja) 2020-02-13
MX2022012179A (es) 2022-10-27
JP6818838B2 (ja) 2021-01-20
KR102882646B1 (ko) 2025-11-07
JP6606241B2 (ja) 2019-11-13
CA3168916C (en) 2025-07-08
CN107293304A (zh) 2017-10-24
MX2020002786A (es) 2020-07-22
US11895477B2 (en) 2024-02-06
CA3110057C (en) 2023-04-04
CA3168921A1 (en) 2014-11-06
EP3926984B1 (en) 2024-10-02
KR20210034685A (ko) 2021-03-30
MY176454A (en) 2020-08-10
US20160088415A1 (en) 2016-03-24
CN107146626A (zh) 2017-09-08
JP2023093681A (ja) 2023-07-04
RU2018133016A3 (enExample) 2022-02-16
KR102377798B1 (ko) 2022-03-23
CA3190346A1 (en) 2014-11-06
EP2992689A1 (en) 2016-03-09
US11758344B2 (en) 2023-09-12
US20190297443A1 (en) 2019-09-26
KR102440104B1 (ko) 2022-09-05
JP6395811B2 (ja) 2018-09-26
US20250380100A1 (en) 2025-12-11
KR20220124297A (ko) 2022-09-13
CN107180639B (zh) 2021-01-05
US11284210B2 (en) 2022-03-22
EP3232687A1 (en) 2017-10-18
US10999688B2 (en) 2021-05-04

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