AU2013261933B2 - Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation - Google Patents

Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation Download PDF

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AU2013261933B2
AU2013261933B2 AU2013261933A AU2013261933A AU2013261933B2 AU 2013261933 B2 AU2013261933 B2 AU 2013261933B2 AU 2013261933 A AU2013261933 A AU 2013261933A AU 2013261933 A AU2013261933 A AU 2013261933A AU 2013261933 B2 AU2013261933 B2 AU 2013261933B2
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hoa
component
dominant
order
representation
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AU2013261933A1 (en
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Johann-Markus Batke
Johannes Boehm
Sven Kordon
Alexander Kruger
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Dolby International AB
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Priority to AU2019201490A priority patent/AU2019201490B2/en
Priority to AU2021203791A priority patent/AU2021203791B2/en
Priority to AU2022215160A priority patent/AU2022215160B2/en
Priority to AU2024227096A priority patent/AU2024227096A1/en
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    • 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
    • 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
    • G10L19/04—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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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 
    • 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
    • H04S3/02—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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • User Interface Of Digital Computer (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
AU2013261933A 2012-05-14 2013-05-06 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation Active AU2013261933B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2016262783A AU2016262783B2 (en) 2012-05-14 2016-11-25 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2019201490A AU2019201490B2 (en) 2012-05-14 2019-03-05 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2021203791A AU2021203791B2 (en) 2012-05-14 2021-06-09 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2022215160A AU2022215160B2 (en) 2012-05-14 2022-08-08 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2024227096A AU2024227096A1 (en) 2012-05-14 2024-10-04 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation

Applications Claiming Priority (3)

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EP12305537.8 2012-05-14
EP12305537.8A EP2665208A1 (en) 2012-05-14 2012-05-14 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
PCT/EP2013/059363 WO2013171083A1 (en) 2012-05-14 2013-05-06 Method and apparatus for compressing and decompressing a higher order ambisonics signal representation

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AU2013261933B2 true AU2013261933B2 (en) 2017-02-02

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AU2013261933A Active AU2013261933B2 (en) 2012-05-14 2013-05-06 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2016262783A Active AU2016262783B2 (en) 2012-05-14 2016-11-25 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2019201490A Active AU2019201490B2 (en) 2012-05-14 2019-03-05 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2021203791A Active AU2021203791B2 (en) 2012-05-14 2021-06-09 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2022215160A Active AU2022215160B2 (en) 2012-05-14 2022-08-08 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2024227096A Pending AU2024227096A1 (en) 2012-05-14 2024-10-04 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation

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AU2019201490A Active AU2019201490B2 (en) 2012-05-14 2019-03-05 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2021203791A Active AU2021203791B2 (en) 2012-05-14 2021-06-09 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2022215160A Active AU2022215160B2 (en) 2012-05-14 2022-08-08 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2024227096A Pending AU2024227096A1 (en) 2012-05-14 2024-10-04 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation

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US (7) US9454971B2 (cg-RX-API-DMAC7.html)
EP (6) EP2665208A1 (cg-RX-API-DMAC7.html)
JP (6) JP6211069B2 (cg-RX-API-DMAC7.html)
KR (6) KR102121939B1 (cg-RX-API-DMAC7.html)
CN (10) CN112735447B (cg-RX-API-DMAC7.html)
AU (6) AU2013261933B2 (cg-RX-API-DMAC7.html)
BR (1) BR112014028439B1 (cg-RX-API-DMAC7.html)
TW (6) TWI666627B (cg-RX-API-DMAC7.html)
WO (1) WO2013171083A1 (cg-RX-API-DMAC7.html)

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