CA3168901C - 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

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Publication number
CA3168901C
CA3168901C CA3168901A CA3168901A CA3168901C CA 3168901 C CA3168901 C CA 3168901C CA 3168901 A CA3168901 A CA 3168901A CA 3168901 A CA3168901 A CA 3168901A CA 3168901 C CA3168901 C CA 3168901C
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
CA3168901A
Other languages
English (en)
French (fr)
Other versions
CA3168901A1 (en
Inventor
Alexander Krueger
Sven Kordon
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 CA3168901A priority Critical patent/CA3168901C/en
Publication of CA3168901A1 publication Critical patent/CA3168901A1/en
Application granted granted Critical
Publication of CA3168901C publication Critical patent/CA3168901C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
CA3168901A 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION Active CA3168901C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3168901A CA3168901C (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
EP13305558.2A 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
CA3110057A CA3110057C (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3168901A CA3168901C (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
CA3168901A1 CA3168901A1 (en) 2014-11-06
CA3168901C true CA3168901C (en) 2025-07-08

Family

ID=48607176

Family Applications (8)

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
CA3168906A Active CA3168906C (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
CA3110057A Active CA3110057C (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
CA3190346A Pending CA3190346A1 (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3190353A Pending CA3190353A1 (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

Family Applications After (7)

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
CA2907595A Active CA2907595C (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
CA3168921A Active CA3168921C (en) 2013-04-29 2014-04-24 METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION
CA3190346A Pending CA3190346A1 (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation
CA3190353A Pending CA3190353A1 (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

Country Status (10)

Country Link
US (10) US9736607B2 (enExample)
EP (6) EP2800401A1 (enExample)
JP (8) JP6395811B2 (enExample)
KR (6) KR102377798B1 (enExample)
CN (5) CN107293304B (enExample)
CA (8) CA3168901C (enExample)
MX (6) MX347283B (enExample)
MY (2) MY176454A (enExample)
RU (1) RU2668060C2 (enExample)
WO (1) WO2014177455A1 (enExample)

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KR102816984B1 (ko) 2014-06-27 2025-06-09 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치
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EP3164868A1 (en) 2014-07-02 2017-05-10 Dolby International AB Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa 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
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
EP3164866A1 (en) 2014-07-02 2017-05-10 Dolby International AB 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
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
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WO2017036609A1 (en) 2015-08-31 2017-03-09 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
KR102063307B1 (ko) 2016-03-15 2020-01-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 음장 기술을 생성하기 위한 장치, 방법, 또는 컴퓨터 프로그램
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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
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Also Published As

Publication number Publication date
CA2907595A1 (en) 2014-11-06
US20240259743A1 (en) 2024-08-01
US11758344B2 (en) 2023-09-12
EP3598779B1 (en) 2021-08-18
JP2023093681A (ja) 2023-07-04
CN107293304A (zh) 2017-10-24
KR102440104B1 (ko) 2022-09-05
RU2018133016A (ru) 2018-10-02
MY176454A (en) 2020-08-10
EP3926984A1 (en) 2021-12-22
US20220225044A1 (en) 2022-07-14
CA3190353A1 (en) 2014-11-06
US20220217489A1 (en) 2022-07-07
JP2019008309A (ja) 2019-01-17
US9913063B2 (en) 2018-03-06
JP7717911B2 (ja) 2025-08-04
CA3168916C (en) 2025-07-08
JP2021060614A (ja) 2021-04-15
JP2020024445A (ja) 2020-02-13
CN107146626A (zh) 2017-09-08
MX2020002786A (es) 2020-07-22
KR20220039846A (ko) 2022-03-29
KR102882646B1 (ko) 2025-11-07
MX347283B (es) 2017-04-21
JP6395811B2 (ja) 2018-09-26
US20180146315A1 (en) 2018-05-24
JP2025157488A (ja) 2025-10-15
CA3110057A1 (en) 2014-11-06
CN107293304B (zh) 2021-01-05
CA3168916A1 (en) 2014-11-06
US10623878B2 (en) 2020-04-14
JP2024123190A (ja) 2024-09-10
CN107146626B (zh) 2020-09-08
US20210337334A1 (en) 2021-10-28
KR20220124297A (ko) 2022-09-13
US20170318406A1 (en) 2017-11-02
KR20240096662A (ko) 2024-06-26
EP2992689A1 (en) 2016-03-09
EP2992689B1 (en) 2017-05-10
CA3168921A1 (en) 2014-11-06
EP2800401A1 (en) 2014-11-05
CA2907595C (en) 2021-04-13
MX384230B (es) 2025-03-14
RU2668060C2 (ru) 2018-09-25
EP3926984B1 (en) 2024-10-02
CA3168906A1 (en) 2014-11-06
CA3110057C (en) 2023-04-04
US20200304931A1 (en) 2020-09-24
CN107180639A (zh) 2017-09-19
CN105144752A (zh) 2015-12-09
EP4462430A2 (en) 2024-11-13
KR20250161668A (ko) 2025-11-17
CA3190346A1 (en) 2014-11-06
US20190297443A1 (en) 2019-09-26
JP7511707B2 (ja) 2024-07-05
CN105144752B (zh) 2017-08-08
KR20160002846A (ko) 2016-01-08
US20160088415A1 (en) 2016-03-24
US9736607B2 (en) 2017-08-15
CA3168901A1 (en) 2014-11-06
JP6606241B2 (ja) 2019-11-13
JP2016520864A (ja) 2016-07-14
US12317055B2 (en) 2025-05-27
EP3598779A1 (en) 2020-01-22
EP3232687B1 (en) 2019-08-14
EP3232687A1 (en) 2017-10-18
JP6818838B2 (ja) 2021-01-20
CN107146627B (zh) 2020-10-30
EP4462430A3 (en) 2025-02-19
CN107180639B (zh) 2021-01-05
JP7270788B2 (ja) 2023-05-10
US10264382B2 (en) 2019-04-16
US10999688B2 (en) 2021-05-04
MX2015015016A (es) 2016-03-09
CN107146627A (zh) 2017-09-08
MX2022012186A (es) 2022-10-27
CA3168906C (en) 2025-07-08
JP7023342B2 (ja) 2022-02-21
WO2014177455A1 (en) 2014-11-06
US20250380100A1 (en) 2025-12-11
KR102377798B1 (ko) 2022-03-23
MX2022012179A (es) 2022-10-27
MX2022012180A (es) 2022-10-27
JP2022058929A (ja) 2022-04-12
CA3168921C (en) 2025-07-08
RU2018133016A3 (enExample) 2022-02-16
US11284210B2 (en) 2022-03-22
RU2015150988A (ru) 2017-06-07
KR102672762B1 (ko) 2024-06-07
US11895477B2 (en) 2024-02-06
MY195690A (en) 2023-02-03
KR20210034685A (ko) 2021-03-30
KR102232486B1 (ko) 2021-03-29

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