KR20250161668A - 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치 - Google Patents

고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치

Info

Publication number
KR20250161668A
KR20250161668A KR1020257036863A KR20257036863A KR20250161668A KR 20250161668 A KR20250161668 A KR 20250161668A KR 1020257036863 A KR1020257036863 A KR 1020257036863A KR 20257036863 A KR20257036863 A KR 20257036863A KR 20250161668 A KR20250161668 A KR 20250161668A
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KR
South Korea
Prior art keywords
hoa
signals
frame
indices
components
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
KR1020257036863A
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English (en)
Korean (ko)
Inventor
알렉산더 크루거
스벤 코르돈
Original Assignee
돌비 인터네셔널 에이비
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Application filed by 돌비 인터네셔널 에이비 filed Critical 돌비 인터네셔널 에이비
Publication of KR20250161668A publication Critical patent/KR20250161668A/ko
Pending legal-status Critical Current

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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)
  • 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)
KR1020257036863A 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치 Pending KR20250161668A (ko)

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
KR1020247018485A KR102882646B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치
PCT/EP2014/058380 WO2014177455A1 (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
KR1020247018485A Division KR102882646B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치

Publications (1)

Publication Number Publication Date
KR20250161668A true KR20250161668A (ko) 2025-11-17

Family

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Application Number Title Priority Date Filing Date
KR1020257036863A Pending KR20250161668A (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치
KR1020227030177A Active KR102672762B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치
KR1020217008387A Active KR102377798B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치
KR1020227009114A Active KR102440104B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치
KR1020247018485A Active KR102882646B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치
KR1020157030836A Active KR102232486B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치

Family Applications After (5)

Application Number Title Priority Date Filing Date
KR1020227030177A Active KR102672762B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치
KR1020217008387A Active KR102377798B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치
KR1020227009114A Active KR102440104B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치
KR1020247018485A Active KR102882646B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치
KR1020157030836A Active KR102232486B1 (ko) 2013-04-29 2014-04-24 고차 앰비소닉스 표현을 압축 및 압축해제하기 위한 방법 및 장치

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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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
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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
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
CA3190353A1 (en) 2014-11-06
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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