CA3217926C - LAYER CODING FOR COMPRESSED REPRESENTATIONS OF A SOUND OR SOUNDFIELD - Google Patents

LAYER CODING FOR COMPRESSED REPRESENTATIONS OF A SOUND OR SOUNDFIELD

Info

Publication number
CA3217926C
CA3217926C CA3217926A CA3217926A CA3217926C CA 3217926 C CA3217926 C CA 3217926C CA 3217926 A CA3217926 A CA 3217926A CA 3217926 A CA3217926 A CA 3217926A CA 3217926 C CA3217926 C CA 3217926C
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CA
Canada
Prior art keywords
side information
sound
basic
layer
representation
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
CA3217926A
Other languages
English (en)
French (fr)
Other versions
CA3217926A1 (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 CA3217926A priority Critical patent/CA3217926C/en
Publication of CA3217926A1 publication Critical patent/CA3217926A1/en
Application granted granted Critical
Publication of CA3217926C publication Critical patent/CA3217926C/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
    • 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
    • G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L19/04—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 using predictive techniques
    • 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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Laminated Bodies (AREA)
CA3217926A 2015-10-08 2016-10-07 LAYER CODING FOR COMPRESSED REPRESENTATIONS OF A SOUND OR SOUNDFIELD Active CA3217926C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3217926A CA3217926C (en) 2015-10-08 2016-10-07 LAYER CODING FOR COMPRESSED REPRESENTATIONS OF A SOUND OR SOUNDFIELD

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
EP15306589 2015-10-08
EP15306589.1 2015-10-08
EP15306653.5 2015-10-15
EP15306653 2015-10-15
US201662361461P 2016-07-12 2016-07-12
US201662361416P 2016-07-12 2016-07-12
US62/361,416 2016-07-12
US62/361,461 2016-07-12
CA3217926A CA3217926C (en) 2015-10-08 2016-10-07 LAYER CODING FOR COMPRESSED REPRESENTATIONS OF A SOUND OR SOUNDFIELD
CA3000905A CA3000905C (en) 2015-10-08 2016-10-07 Layered coding for compressed sound or sound field representations

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3000905A Division CA3000905C (en) 2015-10-08 2016-10-07 Layered coding for compressed sound or sound field representations

Publications (2)

Publication Number Publication Date
CA3217926A1 CA3217926A1 (en) 2017-04-13
CA3217926C true CA3217926C (en) 2025-05-13

Family

ID=58487849

Family Applications (3)

Application Number Title Priority Date Filing Date
CA3217926A Active CA3217926C (en) 2015-10-08 2016-10-07 LAYER CODING FOR COMPRESSED REPRESENTATIONS OF A SOUND OR SOUNDFIELD
CA3217921A Pending CA3217921A1 (en) 2015-10-08 2016-10-07 Layered coding for compressed sound or sound field representations
CA3000905A Active CA3000905C (en) 2015-10-08 2016-10-07 Layered coding for compressed sound or sound field representations

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA3217921A Pending CA3217921A1 (en) 2015-10-08 2016-10-07 Layered coding for compressed sound or sound field representations
CA3000905A Active CA3000905C (en) 2015-10-08 2016-10-07 Layered coding for compressed sound or sound field representations

Country Status (19)

Country Link
US (7) US10529343B2 (https=)
EP (3) EP4068283B1 (https=)
JP (3) JP6797198B2 (https=)
KR (2) KR20240152407A (https=)
CN (6) CN108140392B (https=)
AU (4) AU2016336258B2 (https=)
BR (5) BR122021007299B1 (https=)
CA (3) CA3217926C (https=)
CL (1) CL2018000889A1 (https=)
EA (1) EA033756B1 (https=)
ES (1) ES2918523T3 (https=)
IL (5) IL320151A (https=)
MX (2) MX374441B (https=)
MY (1) MY193124A (https=)
PH (1) PH12018500702B1 (https=)
SA (3) SA520412522B1 (https=)
TW (2) TWI703558B (https=)
WO (1) WO2017060410A1 (https=)
ZA (4) ZA202001983B (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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KR102766957B1 (ko) * 2014-03-21 2025-02-14 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
EP2922057A1 (en) 2014-03-21 2015-09-23 Thomson Licensing Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal
IL320151A (en) * 2015-10-08 2025-06-01 Dolby Int Ab Layered coding for compressed sound or sound field representations
US10264386B1 (en) * 2018-02-09 2019-04-16 Google Llc Directional emphasis in ambisonics
CN115605953B (zh) 2020-05-08 2026-03-17 微软技术许可有限责任公司 用于多麦克风信号处理的数据增强的系统和方法

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JP4771674B2 (ja) * 2004-09-02 2011-09-14 パナソニック株式会社 音声符号化装置、音声復号化装置及びこれらの方法
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KR101209213B1 (ko) * 2008-08-19 2012-12-06 광주과학기술원 오디오 신호의 계층적 파라메트릭 스테레오 부호화 장치 및복호화 장치
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JP6377730B2 (ja) 2013-06-05 2018-08-22 ドルビー・インターナショナル・アーベー オーディオ信号を符号化する方法及び装置並びにオーディオ信号を復号する方法及び装置
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EP4539046A1 (en) * 2014-03-21 2025-04-16 Dolby International AB Method for compressing a higher order ambisonics (hoa) signal, method for decompressing a compressed hoa signal, apparatus for compressing a hoa signal, and apparatus for decompressing a compressed hoa signal
KR102766957B1 (ko) 2014-03-21 2025-02-14 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
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EP3360135B1 (en) * 2015-10-08 2020-03-11 Dolby International AB Layered coding for compressed sound or sound field representations

Also Published As

Publication number Publication date
EP4571737A3 (en) 2025-08-06
TW202443558A (zh) 2024-11-01
EA033756B1 (ru) 2019-11-22
CA3217921A1 (en) 2017-04-13
KR102715677B1 (ko) 2024-10-11
CL2018000889A1 (es) 2018-07-06
EP3360133A1 (en) 2018-08-15
CN116259326A (zh) 2023-06-13
JP2025016548A (ja) 2025-02-04
IL300036A (en) 2023-03-01
AU2021221861A1 (en) 2021-09-23
KR20240152407A (ko) 2024-10-21
IL292854B1 (en) 2023-03-01
BR112018007172B1 (pt) 2023-05-16
CN116206617A (zh) 2023-06-02
EP3360133B1 (en) 2022-04-27
JP2022160602A (ja) 2022-10-19
MY193124A (en) 2022-09-26
AU2023237179B2 (en) 2025-11-27
CA3000905C (en) 2024-01-09
IL258360B (en) 2021-03-25
US20180308496A1 (en) 2018-10-25
CA3217926A1 (en) 2017-04-13
US11626119B2 (en) 2023-04-11
US20220180877A1 (en) 2022-06-09
SA520412522B1 (ar) 2025-01-09
CN108140392B (zh) 2023-04-18
CN116259324A (zh) 2023-06-13
AU2016336258B2 (en) 2021-05-27
ZA202304207B (en) 2024-08-28
SA521430003B1 (ar) 2025-01-09
ES2918523T3 (es) 2022-07-18
IL292854B2 (en) 2023-07-01
PH12018500702B1 (en) 2021-09-22
US11948587B2 (en) 2024-04-02
IL308605A (en) 2024-01-01
MX374441B (es) 2025-03-06
US10529343B2 (en) 2020-01-07
AU2021221861B2 (en) 2023-06-29
EA201890843A1 (ru) 2018-10-31
BR122022025396B1 (pt) 2023-04-18
MX2020008983A (es) 2020-09-28
TWI887948B (zh) 2025-06-21
AU2016336258A1 (en) 2018-05-10
ZA202402611B (en) 2025-07-30
AU2023237179A1 (en) 2023-10-19
US11232801B2 (en) 2022-01-25
TW201727622A (zh) 2017-08-01
BR112018007172A2 (pt) 2018-10-16
ZA202204176B (en) 2024-01-31
BR122019020650A8 (pt) 2022-09-13
TWI703558B (zh) 2020-09-01
WO2017060410A1 (en) 2017-04-13
US20200098377A1 (en) 2020-03-26
IL258360A (en) 2018-05-31
CN116259323A (zh) 2023-06-13
US20210082440A1 (en) 2021-03-18
BR122022025393B1 (pt) 2023-04-18
US20230215446A1 (en) 2023-07-06
IL308605B2 (en) 2025-09-01
PH12018500702A1 (en) 2018-10-15
BR122019020650B1 (pt) 2023-05-02
IL300036B1 (en) 2023-12-01
IL308605B1 (en) 2025-05-01
SA518391259B1 (ar) 2021-10-11
US20240296850A1 (en) 2024-09-05
EP4571737A2 (en) 2025-06-18
EP3360133B8 (en) 2022-06-15
JP7582624B2 (ja) 2024-11-13
CN116189692A (zh) 2023-05-30
BR122021007299B1 (pt) 2023-04-18
MX2018004163A (es) 2018-08-01
EP4068283A1 (en) 2022-10-05
ZA202001983B (en) 2022-12-21
HK1253682A1 (zh) 2019-06-28
IL292854A (en) 2022-07-01
CA3000905A1 (en) 2017-04-13
AU2026201132A1 (en) 2026-03-05
US12236963B2 (en) 2025-02-25
KR20180066136A (ko) 2018-06-18
IL300036B2 (en) 2024-04-01
JP6797198B2 (ja) 2020-12-09
IL320151A (en) 2025-06-01
US20250239265A1 (en) 2025-07-24
BR122019020650A2 (https=) 2018-10-16
JP2018535447A (ja) 2018-11-29
EP4068283B1 (en) 2025-02-12
CN108140392A (zh) 2018-06-08

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