CA3168326A1 - Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field - Google Patents

Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field Download PDF

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Publication number
CA3168326A1
CA3168326A1 CA3168326A CA3168326A CA3168326A1 CA 3168326 A1 CA3168326 A1 CA 3168326A1 CA 3168326 A CA3168326 A CA 3168326A CA 3168326 A CA3168326 A CA 3168326A CA 3168326 A1 CA3168326 A1 CA 3168326A1
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Canada
Prior art keywords
hoa
signals
residual
order
dominant
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Pending
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CA3168326A
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English (en)
French (fr)
Inventor
Alexander Krueger
Sven Kordon
Johannes Boehm
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Dolby International AB
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Dolby International AB
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Publication of CA3168326A1 publication Critical patent/CA3168326A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • 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
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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 
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3168326A 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field Pending CA3168326A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12306569.0 2012-12-12
EP12306569.0A EP2743922A1 (en) 2012-12-12 2012-12-12 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125246A CA3125246C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3125246A Division CA3125246C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field

Publications (1)

Publication Number Publication Date
CA3168326A1 true CA3168326A1 (en) 2014-06-19

Family

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Family Applications (6)

Application Number Title Priority Date Filing Date
CA3168326A Pending CA3168326A1 (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125228A Active CA3125228C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125246A Active CA3125246C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125248A Active CA3125248C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA2891636A Active CA2891636C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3168322A Active CA3168322C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field

Family Applications After (5)

Application Number Title Priority Date Filing Date
CA3125228A Active CA3125228C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125246A Active CA3125246C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125248A Active CA3125248C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA2891636A Active CA2891636C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3168322A Active CA3168322C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field

Country Status (11)

Country Link
US (8) US9646618B2 (enExample)
EP (5) EP2743922A1 (enExample)
JP (7) JP6285458B2 (enExample)
KR (5) KR102546541B1 (enExample)
CN (9) CN109448743B (enExample)
CA (6) CA3168326A1 (enExample)
MX (7) MX344988B (enExample)
MY (2) MY169354A (enExample)
RU (2) RU2623886C2 (enExample)
TW (7) TWI729581B (enExample)
WO (1) WO2014090660A1 (enExample)

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JP6285458B2 (ja) 2018-02-28
JP2015537256A (ja) 2015-12-24
US20230179940A1 (en) 2023-06-08
HK1216356A1 (en) 2016-11-04
JP7353427B2 (ja) 2023-09-29
MX2022008693A (es) 2022-08-08
US9646618B2 (en) 2017-05-09
CN109448743B (zh) 2020-03-10
US20170208412A1 (en) 2017-07-20
CA3125228A1 (en) 2014-06-19
EP4553829A1 (en) 2025-05-14
CA3168322C (en) 2024-01-30
MY169354A (en) 2019-03-26
CN109545235A (zh) 2019-03-29
CN109448742B (zh) 2023-09-01
CA3168322A1 (en) 2014-06-19
MX395017B (es) 2025-03-24
KR102546541B1 (ko) 2023-06-23
KR20230098355A (ko) 2023-07-03
JP2023169304A (ja) 2023-11-29
JP6640890B2 (ja) 2020-02-05
MY191376A (en) 2022-06-21
MX2022008695A (es) 2022-08-08
RU2623886C2 (ru) 2017-06-29
CN109448742A (zh) 2019-03-08
CN109448743A (zh) 2019-03-08
JP7100172B2 (ja) 2022-07-12
KR20240068780A (ko) 2024-05-17
MX2023008863A (es) 2023-08-15
JP7661431B2 (ja) 2025-04-14
CN109545235B (zh) 2023-11-17
JP2018087996A (ja) 2018-06-07
CN109616130A (zh) 2019-04-12
US10609501B2 (en) 2020-03-31
EP2743922A1 (en) 2014-06-18
JP2020074008A (ja) 2020-05-14
JP6869322B2 (ja) 2021-05-12
WO2014090660A1 (en) 2014-06-19
CN117037813A (zh) 2023-11-10
JP2025108471A (ja) 2025-07-23
CN104854655B (zh) 2019-02-19
JP2022130638A (ja) 2022-09-06
US20150332679A1 (en) 2015-11-19
CA3125248C (en) 2023-03-07
MX2022008697A (es) 2022-08-08
KR20210007036A (ko) 2021-01-19
TWI729581B (zh) 2021-06-01
KR20150095660A (ko) 2015-08-21
TWI788833B (zh) 2023-01-01
CA3125248A1 (en) 2014-06-19
CN109410965A (zh) 2019-03-01
TW202013354A (zh) 2020-04-01
KR102428842B1 (ko) 2022-08-04
TW202338788A (zh) 2023-10-01
TWI868526B (zh) 2025-01-01
KR102664626B1 (ko) 2024-05-10
EP3996090A1 (en) 2022-05-11
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