CN1599510B - 电声换能方法、电声换能装置以及音响系统 - Google Patents

电声换能方法、电声换能装置以及音响系统 Download PDF

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Publication number
CN1599510B
CN1599510B CN200410078641.5A CN200410078641A CN1599510B CN 1599510 B CN1599510 B CN 1599510B CN 200410078641 A CN200410078641 A CN 200410078641A CN 1599510 B CN1599510 B CN 1599510B
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CN
China
Prior art keywords
signal
array
acoustic energy
energy spectrum
variation
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Expired - Fee Related
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CN200410078641.5A
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English (en)
Chinese (zh)
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CN1599510A (zh
Inventor
威廉·伯拉迪
哈尔·P·格林伯格
阿布希吉特·库尔卡尼
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Bose Corp
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Bose Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • 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
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control
    • 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
    • H04R2201/401—2D or 3D arrays of transducers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/024—Positioning of loudspeaker enclosures for spatial sound reproduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CN200410078641.5A 2003-09-18 2004-09-14 电声换能方法、电声换能装置以及音响系统 Expired - Fee Related CN1599510B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/665,845 2003-09-18
US10/665,845 US7519188B2 (en) 2003-09-18 2003-09-18 Electroacoustical transducing

Publications (2)

Publication Number Publication Date
CN1599510A CN1599510A (zh) 2005-03-23
CN1599510B true CN1599510B (zh) 2010-11-10

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CN200410078641.5A Expired - Fee Related CN1599510B (zh) 2003-09-18 2004-09-14 电声换能方法、电声换能装置以及音响系统

Country Status (5)

Country Link
US (1) US7519188B2 (enExample)
EP (1) EP1517580B1 (enExample)
JP (1) JP4642418B2 (enExample)
CN (1) CN1599510B (enExample)
DE (1) DE602004024016D1 (enExample)

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Also Published As

Publication number Publication date
US20050063555A1 (en) 2005-03-24
DE602004024016D1 (de) 2009-12-24
EP1517580A3 (en) 2006-06-07
CN1599510A (zh) 2005-03-23
EP1517580A2 (en) 2005-03-23
HK1074323A1 (en) 2005-11-04
JP2005094777A (ja) 2005-04-07
US7519188B2 (en) 2009-04-14
EP1517580B1 (en) 2009-11-11
JP4642418B2 (ja) 2011-03-02

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