JP4642418B2 - 電気音響変換器 - Google Patents

電気音響変換器 Download PDF

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Publication number
JP4642418B2
JP4642418B2 JP2004272920A JP2004272920A JP4642418B2 JP 4642418 B2 JP4642418 B2 JP 4642418B2 JP 2004272920 A JP2004272920 A JP 2004272920A JP 2004272920 A JP2004272920 A JP 2004272920A JP 4642418 B2 JP4642418 B2 JP 4642418B2
Authority
JP
Japan
Prior art keywords
array
signal
electrical signal
signals
electroacoustic
Prior art date
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
Application number
JP2004272920A
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English (en)
Japanese (ja)
Other versions
JP2005094777A (ja
JP2005094777A5 (enExample
Inventor
ウィリアム・ベラーディ
ハル・ピー・グリーンバーガー
アブヒジット・クルカルニ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bose Corp
Original Assignee
Bose Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bose Corp filed Critical Bose Corp
Publication of JP2005094777A publication Critical patent/JP2005094777A/ja
Publication of JP2005094777A5 publication Critical patent/JP2005094777A5/ja
Application granted granted Critical
Publication of JP4642418B2 publication Critical patent/JP4642418B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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

Landscapes

  • 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)
JP2004272920A 2003-09-18 2004-09-21 電気音響変換器 Expired - Fee Related JP4642418B2 (ja)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2005094777A JP2005094777A (ja) 2005-04-07
JP2005094777A5 JP2005094777A5 (enExample) 2007-11-29
JP4642418B2 true JP4642418B2 (ja) 2011-03-02

Family

ID=34194768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004272920A Expired - Fee Related JP4642418B2 (ja) 2003-09-18 2004-09-21 電気音響変換器

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
EP1517580B1 (en) 2009-11-11
JP2005094777A (ja) 2005-04-07
EP1517580A2 (en) 2005-03-23
US20050063555A1 (en) 2005-03-24
EP1517580A3 (en) 2006-06-07
CN1599510A (zh) 2005-03-23
CN1599510B (zh) 2010-11-10
US7519188B2 (en) 2009-04-14
DE602004024016D1 (de) 2009-12-24
HK1074323A1 (en) 2005-11-04

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