JPS51122424A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
JPS51122424A
JPS51122424A JP4648375A JP4648375A JPS51122424A JP S51122424 A JPS51122424 A JP S51122424A JP 4648375 A JP4648375 A JP 4648375A JP 4648375 A JP4648375 A JP 4648375A JP S51122424 A JPS51122424 A JP S51122424A
Authority
JP
Japan
Prior art keywords
acoustic device
tone quality
speaker
listener
preference
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.)
Pending
Application number
JP4648375A
Other languages
Japanese (ja)
Inventor
Yasuaki Awanaka
Masaharu Kobayashi
Takeshi Nakayama
Tsuneji Koshikawa
Tanetoshi Miura
Rikuo Miyagawa
Keizo Nukada
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4648375A priority Critical patent/JPS51122424A/en
Publication of JPS51122424A publication Critical patent/JPS51122424A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

PURPOSE:To fully display the feature of tone quality of a speaker by enabling matching of the tone quality to a listener's preference and selection of the directivity according the characteristic of a room in which a speaker system is set.
JP4648375A 1975-04-18 1975-04-18 Acoustic device Pending JPS51122424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4648375A JPS51122424A (en) 1975-04-18 1975-04-18 Acoustic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4648375A JPS51122424A (en) 1975-04-18 1975-04-18 Acoustic device

Publications (1)

Publication Number Publication Date
JPS51122424A true JPS51122424A (en) 1976-10-26

Family

ID=12748440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4648375A Pending JPS51122424A (en) 1975-04-18 1975-04-18 Acoustic device

Country Status (1)

Country Link
JP (1) JPS51122424A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS573497A (en) * 1980-05-05 1982-01-08 Jiei Ebaabatsuku Suteiibun Electroacoustic circuit network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS573497A (en) * 1980-05-05 1982-01-08 Jiei Ebaabatsuku Suteiibun Electroacoustic circuit network

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