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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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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hoa
ambisonics
data
coefficients
audio
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AU2011325335A1 (en
AU2011325335B2 (en
AU2011325335A8 (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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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00Stereophonic arrangements
    • H04R5/02Spatial or constructional arrangements of loudspeakers
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11Application 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)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (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

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

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US12426506B2 (en) 2019-07-19 2025-09-23 Evatec Ag Piezoelectric coating and deposition process

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