CN102440003B - 音频空间化和环境仿真 - Google Patents

音频空间化和环境仿真 Download PDF

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Publication number
CN102440003B
CN102440003B CN200980151136.XA CN200980151136A CN102440003B CN 102440003 B CN102440003 B CN 102440003B CN 200980151136 A CN200980151136 A CN 200980151136A CN 102440003 B CN102440003 B CN 102440003B
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CN
China
Prior art keywords
signal
audio
frequency
filter
hrtf
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN200980151136.XA
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English (en)
Chinese (zh)
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CN102440003A (zh
Inventor
杰里·马哈布比
斯蒂芬·M·伯恩西
加里·史密斯
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GenAudio Inc
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GenAudio Inc
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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
    • 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
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • 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
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • 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
    • H04S2400/07—Generation or adaptation of the Low Frequency Effect [LFE] channel, e.g. distribution or signal processing
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/40—Visual indication of stereophonic sound image

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
CN200980151136.XA 2008-10-20 2009-10-20 音频空间化和环境仿真 Expired - Fee Related CN102440003B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10687208P 2008-10-20 2008-10-20
US61/106872 2008-10-20
PCT/US2009/061294 WO2010048157A1 (en) 2008-10-20 2009-10-20 Audio spatialization and environment simulation

Publications (2)

Publication Number Publication Date
CN102440003A CN102440003A (zh) 2012-05-02
CN102440003B true CN102440003B (zh) 2016-01-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN200980151136.XA Expired - Fee Related CN102440003B (zh) 2008-10-20 2009-10-20 音频空间化和环境仿真

Country Status (5)

Country Link
US (2) US8520873B2 (https=)
EP (1) EP2356825A4 (https=)
JP (1) JP5694174B2 (https=)
CN (1) CN102440003B (https=)
WO (1) WO2010048157A1 (https=)

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Also Published As

Publication number Publication date
US20140064494A1 (en) 2014-03-06
CN102440003A (zh) 2012-05-02
US8520873B2 (en) 2013-08-27
US9271080B2 (en) 2016-02-23
EP2356825A1 (en) 2011-08-17
JP2012506673A (ja) 2012-03-15
WO2010048157A1 (en) 2010-04-29
US20100246831A1 (en) 2010-09-30
JP5694174B2 (ja) 2015-04-01
EP2356825A4 (en) 2014-08-06

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