JP5452158B2 - 音響監視システム、及び音声集音システム - Google Patents

音響監視システム、及び音声集音システム Download PDF

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Publication number
JP5452158B2
JP5452158B2 JP2009233525A JP2009233525A JP5452158B2 JP 5452158 B2 JP5452158 B2 JP 5452158B2 JP 2009233525 A JP2009233525 A JP 2009233525A JP 2009233525 A JP2009233525 A JP 2009233525A JP 5452158 B2 JP5452158 B2 JP 5452158B2
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sound source
microphone array
microphone
sound
data
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Japanese (ja)
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JP2011080868A (ja
JP2011080868A5 (enExample
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真人 戸上
洋平 川口
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2009233525A priority Critical patent/JP5452158B2/ja
Priority to CN201010298095.1A priority patent/CN102036158B/zh
Priority to US12/893,114 priority patent/US8682675B2/en
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Publication of JP2011080868A5 publication Critical patent/JP2011080868A5/ja
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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
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/403—Linear arrays of transducers

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  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Emergency Alarm Devices (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP2009233525A 2009-10-07 2009-10-07 音響監視システム、及び音声集音システム Active JP5452158B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009233525A JP5452158B2 (ja) 2009-10-07 2009-10-07 音響監視システム、及び音声集音システム
CN201010298095.1A CN102036158B (zh) 2009-10-07 2010-09-28 声响监视系统及声音集音系统
US12/893,114 US8682675B2 (en) 2009-10-07 2010-09-29 Sound monitoring system for sound field selection based on stored microphone data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009233525A JP5452158B2 (ja) 2009-10-07 2009-10-07 音響監視システム、及び音声集音システム

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JP2011080868A JP2011080868A (ja) 2011-04-21
JP2011080868A5 JP2011080868A5 (enExample) 2012-08-16
JP5452158B2 true JP5452158B2 (ja) 2014-03-26

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US (1) US8682675B2 (enExample)
JP (1) JP5452158B2 (enExample)
CN (1) CN102036158B (enExample)

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