CN103250207B - 高阶高保真度立体声响复制音频数据的数据结构 - Google Patents

高阶高保真度立体声响复制音频数据的数据结构 Download PDF

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CN103250207B
CN103250207B CN201180053153.7A CN201180053153A CN103250207B CN 103250207 B CN103250207 B CN 103250207B CN 201180053153 A CN201180053153 A CN 201180053153A CN 103250207 B CN103250207 B CN 103250207B
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hoa
track
ambisonics
coefficients
format
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CN103250207A (zh
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F.基勒
S.科登
J.贝姆
H.克罗普
J-M.巴特克
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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; ELECTRIC HEARING AIDS; 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)
  • 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)
CN201180053153.7A 2010-11-05 2011-10-26 高阶高保真度立体声响复制音频数据的数据结构 Active CN103250207B (zh)

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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CN103250207B true CN103250207B (zh) 2016-01-20

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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)

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US11838738B2 (en) 2014-03-24 2023-12-05 Dolby Laboratories Licensing Corporation Method and device for applying Dynamic Range Compression to a Higher Order Ambisonics signal

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