CA3251760A1 - Method and device for applying Dynamic Range Compression to a Higher Order Ambisonics signal - Google Patents

Method and device for applying Dynamic Range Compression to a Higher Order Ambisonics signal

Info

Publication number
CA3251760A1
CA3251760A1 CA3251760A CA3251760A CA3251760A1 CA 3251760 A1 CA3251760 A1 CA 3251760A1 CA 3251760 A CA3251760 A CA 3251760A CA 3251760 A CA3251760 A CA 3251760A CA 3251760 A1 CA3251760 A1 CA 3251760A1
Authority
CA
Canada
Prior art keywords
dynamic range
higher order
range compression
order ambisonics
applying dynamic
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
CA3251760A
Other languages
English (en)
Inventor
Johannes Boehm
Florian Keiler
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
Priority claimed from EP14305559.8A external-priority patent/EP2934025A1/en
Application filed by Dolby International AB filed Critical Dolby International AB
Publication of CA3251760A1 publication Critical patent/CA3251760A1/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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • 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 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • 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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Nuclear Medicine (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
CA3251760A 2014-03-24 2015-03-24 Method and device for applying Dynamic Range Compression to a Higher Order Ambisonics signal Pending CA3251760A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP14305423.7 2014-03-24
EP14305423 2014-03-24
EP14305559.8 2014-04-15
EP14305559.8A EP2934025A1 (en) 2014-04-15 2014-04-15 Method and device for applying dynamic range compression to a higher order ambisonics signal
CA3155815A CA3155815C (en) 2014-03-24 2015-03-24 Method and device for applying dynamic range compression to a higher order ambisonics signal

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3155815A Division CA3155815C (en) 2014-03-24 2015-03-24 Method and device for applying dynamic range compression to a higher order ambisonics signal

Publications (1)

Publication Number Publication Date
CA3251760A1 true CA3251760A1 (en) 2025-10-30

Family

ID=52727138

Family Applications (4)

Application Number Title Priority Date Filing Date
CA3251760A Pending CA3251760A1 (en) 2014-03-24 2015-03-24 Method and device for applying Dynamic Range Compression to a Higher Order Ambisonics signal
CA3153913A Active CA3153913C (en) 2014-03-24 2015-03-24 Method and device for applying dynamic range compression to a higher order ambisonics signal
CA3155815A Active CA3155815C (en) 2014-03-24 2015-03-24 Method and device for applying dynamic range compression to a higher order ambisonics signal
CA2946916A Active CA2946916C (en) 2014-03-24 2015-03-24 Method and device for applying dynamic range compression to a higher order ambisonics signal

Family Applications After (3)

Application Number Title Priority Date Filing Date
CA3153913A Active CA3153913C (en) 2014-03-24 2015-03-24 Method and device for applying dynamic range compression to a higher order ambisonics signal
CA3155815A Active CA3155815C (en) 2014-03-24 2015-03-24 Method and device for applying dynamic range compression to a higher order ambisonics signal
CA2946916A Active CA2946916C (en) 2014-03-24 2015-03-24 Method and device for applying dynamic range compression to a higher order ambisonics signal

Country Status (12)

Country Link
US (8) US9936321B2 (cg-RX-API-DMAC7.html)
EP (3) EP3123746B1 (cg-RX-API-DMAC7.html)
JP (8) JP6246948B2 (cg-RX-API-DMAC7.html)
KR (6) KR102201027B1 (cg-RX-API-DMAC7.html)
CN (8) CN117133298A (cg-RX-API-DMAC7.html)
AU (6) AU2015238448B2 (cg-RX-API-DMAC7.html)
BR (5) BR122020020719B1 (cg-RX-API-DMAC7.html)
CA (4) CA3251760A1 (cg-RX-API-DMAC7.html)
RU (2) RU2760232C2 (cg-RX-API-DMAC7.html)
TW (9) TWI794032B (cg-RX-API-DMAC7.html)
UA (1) UA119765C2 (cg-RX-API-DMAC7.html)
WO (1) WO2015144674A1 (cg-RX-API-DMAC7.html)

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Also Published As

Publication number Publication date
US20170171682A1 (en) 2017-06-15
BR122020020719B1 (pt) 2023-02-07
CA2946916A1 (en) 2015-10-01
CN109285553B (zh) 2023-09-08
JP2026071353A (ja) 2026-04-28
JP2023144032A (ja) 2023-10-06
CA3155815A1 (en) 2015-10-01
KR20250135345A (ko) 2025-09-12
US10638244B2 (en) 2020-04-28
CN108962266A (zh) 2018-12-07
AU2024216344B2 (en) 2026-01-29
US20240098436A1 (en) 2024-03-21
EP3123746A1 (en) 2017-02-01
WO2015144674A1 (en) 2015-10-01
CN109087654A (zh) 2018-12-25
JP7651631B2 (ja) 2025-03-26
JP2017513367A (ja) 2017-05-25
CN109036441A (zh) 2018-12-18
TW201942897A (zh) 2019-11-01
AU2024216344A1 (en) 2024-09-12
US20250267415A1 (en) 2025-08-21
CA3153913C (en) 2024-04-02
TWI760084B (zh) 2022-04-01
TW202445559A (zh) 2024-11-16
TWI870214B (zh) 2025-01-11
CN109087653B (zh) 2023-09-15
CA2946916C (en) 2022-09-06
TWI695371B (zh) 2020-06-01
JP7333855B2 (ja) 2023-08-25
BR122018005665B1 (pt) 2022-09-06
TWI794032B (zh) 2023-02-21
JP6545235B2 (ja) 2019-07-17
US9936321B2 (en) 2018-04-03
CN109087653A (zh) 2018-12-25
AU2023201911A1 (en) 2023-05-04
AU2019205998A1 (en) 2019-08-01
CN106165451B (zh) 2018-11-30
US20200068330A1 (en) 2020-02-27
TWI662543B (zh) 2019-06-11
HK1258770A1 (zh) 2019-11-22
JP2021002841A (ja) 2021-01-07
KR20230003642A (ko) 2023-01-06
CN117153172A (zh) 2023-12-01
RU2018118336A (ru) 2018-11-01
AU2019205998B2 (en) 2021-04-08
RU2658888C2 (ru) 2018-06-25
TW202145196A (zh) 2021-12-01
KR102596944B1 (ko) 2023-11-02
BR112016022008A2 (cg-RX-API-DMAC7.html) 2017-08-15
CN108962266B (zh) 2023-08-11
BR122020014764B1 (pt) 2022-10-11
KR20230156153A (ko) 2023-11-13
AU2024227470A1 (en) 2024-11-07
TW202322103A (zh) 2023-06-01
JP2018078570A (ja) 2018-05-17
EP3451706B1 (en) 2023-11-01
AU2015238448B2 (en) 2019-04-18
EP3123746B1 (en) 2018-05-23
TW201539431A (zh) 2015-10-16
TWI907209B (zh) 2025-12-01
AU2021204754B2 (en) 2023-01-05
JP6246948B2 (ja) 2017-12-13
KR102479741B1 (ko) 2022-12-22
CN106165451A (zh) 2016-11-23
TWI718979B (zh) 2021-02-11
CN109285553A (zh) 2019-01-29
RU2018118336A3 (cg-RX-API-DMAC7.html) 2021-09-13
AU2015238448A1 (en) 2016-11-03
KR20190090076A (ko) 2019-07-31
US11838738B2 (en) 2023-12-05
US20200359150A1 (en) 2020-11-12
RU2016141386A (ru) 2018-04-26
US20190320280A1 (en) 2019-10-17
JP2022126881A (ja) 2022-08-30
JP7101219B2 (ja) 2022-07-14
BR122020020730B1 (pt) 2022-10-11
KR102005298B1 (ko) 2019-07-30
UA119765C2 (uk) 2019-08-12
RU2760232C2 (ru) 2021-11-23
TW202022852A (zh) 2020-06-16
US10567899B2 (en) 2020-02-18
JP6762405B2 (ja) 2020-09-30
JP2025083483A (ja) 2025-05-30
TW202044234A (zh) 2020-12-01
CA3153913A1 (en) 2015-10-01
CN109036441B (zh) 2023-06-06
TW202301318A (zh) 2023-01-01
TW202541011A (zh) 2025-10-16
KR102856071B1 (ko) 2025-09-08
BR112016022008B1 (pt) 2022-08-02
JP7818124B2 (ja) 2026-02-19
TWI711034B (zh) 2020-11-21
JP2019176508A (ja) 2019-10-10
KR102201027B1 (ko) 2021-01-11
CN117133298A (zh) 2023-11-28
AU2023201911B2 (en) 2024-09-05
CA3155815C (en) 2025-08-12
RU2016141386A3 (cg-RX-API-DMAC7.html) 2018-04-26
US12273696B2 (en) 2025-04-08
EP4273857A2 (en) 2023-11-08
EP3451706A1 (en) 2019-03-06
CN109087654B (zh) 2023-04-21
EP4273857A3 (en) 2024-01-17
TWI833562B (zh) 2024-02-21
US20190052990A1 (en) 2019-02-14
US10893372B2 (en) 2021-01-12
US20210314719A1 (en) 2021-10-07
KR20160138054A (ko) 2016-12-02
HK1259306A1 (zh) 2019-11-29
AU2021204754A1 (en) 2021-08-05
US10362424B2 (en) 2019-07-23
KR20210005320A (ko) 2021-01-13

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