JPH0444480B2 - - Google Patents

Info

Publication number
JPH0444480B2
JPH0444480B2 JP58036885A JP3688583A JPH0444480B2 JP H0444480 B2 JPH0444480 B2 JP H0444480B2 JP 58036885 A JP58036885 A JP 58036885A JP 3688583 A JP3688583 A JP 3688583A JP H0444480 B2 JPH0444480 B2 JP H0444480B2
Authority
JP
Japan
Prior art keywords
average energy
band
attenuation
howling
difference
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 - Lifetime
Application number
JP58036885A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59161995A (ja
Inventor
Masaharu Matsumoto
Ryoji Suzuki
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP3688583A priority Critical patent/JPS59161995A/ja
Publication of JPS59161995A publication Critical patent/JPS59161995A/ja
Publication of JPH0444480B2 publication Critical patent/JPH0444480B2/ja
Granted 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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback

Landscapes

  • Health & Medical Sciences (AREA)
  • General 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)
JP3688583A 1983-03-07 1983-03-07 ハウリング抑圧装置 Granted JPS59161995A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3688583A JPS59161995A (ja) 1983-03-07 1983-03-07 ハウリング抑圧装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3688583A JPS59161995A (ja) 1983-03-07 1983-03-07 ハウリング抑圧装置

Publications (2)

Publication Number Publication Date
JPS59161995A JPS59161995A (ja) 1984-09-12
JPH0444480B2 true JPH0444480B2 (en]) 1992-07-21

Family

ID=12482227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3688583A Granted JPS59161995A (ja) 1983-03-07 1983-03-07 ハウリング抑圧装置

Country Status (1)

Country Link
JP (1) JPS59161995A (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61163399A (ja) * 1985-01-14 1986-07-24 日本電信電話株式会社 音声スイツチ
NL8600406A (nl) * 1986-02-18 1987-09-16 Philips Nv Automatisch geregeld versterkerstelsel.
US5442712A (en) * 1992-11-25 1995-08-15 Matsushita Electric Industrial Co., Ltd. Sound amplifying apparatus with automatic howl-suppressing function
JP2000508483A (ja) * 1996-04-03 2000-07-04 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 音響フィードバック補正
JP3152160B2 (ja) * 1996-11-13 2001-04-03 ヤマハ株式会社 ハウリング検出防止回路及びそれを用いた拡声装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57116496A (en) * 1981-01-13 1982-07-20 Sony Corp Howling preventing device
JPS57162593A (en) * 1981-03-30 1982-10-06 Toshiyuki Sakai Howling preventing device

Also Published As

Publication number Publication date
JPS59161995A (ja) 1984-09-12

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