AU2011325335B8 - Data structure for Higher Order Ambisonics audio data - Google Patents

Data structure for Higher Order Ambisonics audio data Download PDF

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Publication number
AU2011325335B8
AU2011325335B8 AU2011325335A AU2011325335A AU2011325335B8 AU 2011325335 B8 AU2011325335 B8 AU 2011325335B8 AU 2011325335 A AU2011325335 A AU 2011325335A AU 2011325335 A AU2011325335 A AU 2011325335A AU 2011325335 B8 AU2011325335 B8 AU 2011325335B8
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Prior art keywords
hoa
ambisonics
data
coefficients
audio
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AU2011325335A8 (en
AU2011325335B2 (en
AU2011325335A1 (en
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Johann-Markus Batke
Johannes Boehm
Florian Keiler
Sven Kordon
Holger Kropp
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Dolby International AB
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • 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
    • 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
    • G10L19/167—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
AU2011325335A 2010-11-05 2011-10-26 Data structure for Higher Order Ambisonics audio data Active AU2011325335B8 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10306211.3 2010-11-05
EP10306211A EP2450880A1 (en) 2010-11-05 2010-11-05 Data structure for Higher Order Ambisonics audio data
PCT/EP2011/068782 WO2012059385A1 (en) 2010-11-05 2011-10-26 Data structure for higher order ambisonics audio data

Publications (4)

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AU2011325335A1 AU2011325335A1 (en) 2013-05-09
AU2011325335B2 AU2011325335B2 (en) 2015-05-21
AU2011325335A8 AU2011325335A8 (en) 2015-06-04
AU2011325335B8 true AU2011325335B8 (en) 2015-06-04

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US (1) US9241216B2 (enExample)
EP (2) EP2450880A1 (enExample)
JP (1) JP5823529B2 (enExample)
KR (1) KR101824287B1 (enExample)
CN (1) CN103250207B (enExample)
AU (1) AU2011325335B8 (enExample)
BR (1) BR112013010754B1 (enExample)
PT (1) PT2636036E (enExample)
WO (1) WO2012059385A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
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US12426506B2 (en) 2019-07-19 2025-09-23 Evatec Ag Piezoelectric coating and deposition process

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