JPS59161995A - ハウリング抑圧装置 - Google Patents

ハウリング抑圧装置

Info

Publication number
JPS59161995A
JPS59161995A JP3688583A JP3688583A JPS59161995A JP S59161995 A JPS59161995 A JP S59161995A JP 3688583 A JP3688583 A JP 3688583A JP 3688583 A JP3688583 A JP 3688583A JP S59161995 A JPS59161995 A JP S59161995A
Authority
JP
Japan
Prior art keywords
average energy
band
howling
signal
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.)
Granted
Application number
JP3688583A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0444480B2 (enrdf_load_stackoverflow
Inventor
Masaharu Matsumoto
正治 松本
Ryoji Suzuki
良二 鈴木
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 true JPS59161995A (ja) 1984-09-12
JPH0444480B2 JPH0444480B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (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
JPS62198298A (ja) * 1986-02-18 1987-09-01 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 自動制御増幅回路
US5442712A (en) * 1992-11-25 1995-08-15 Matsushita Electric Industrial Co., Ltd. Sound amplifying apparatus with automatic howl-suppressing function
EP0843502A1 (en) * 1996-11-13 1998-05-20 Yamaha Corporation Howling detection and prevention circuit and a loudspeaker system employing the same
US6389440B1 (en) * 1996-04-03 2002-05-14 British Telecommunications Public Limited Company Acoustic feedback correction

Citations (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

Patent Citations (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

Cited By (6)

* 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
JPS62198298A (ja) * 1986-02-18 1987-09-01 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 自動制御増幅回路
US5442712A (en) * 1992-11-25 1995-08-15 Matsushita Electric Industrial Co., Ltd. Sound amplifying apparatus with automatic howl-suppressing function
US6389440B1 (en) * 1996-04-03 2002-05-14 British Telecommunications Public Limited Company Acoustic feedback correction
EP0843502A1 (en) * 1996-11-13 1998-05-20 Yamaha Corporation Howling detection and prevention circuit and a loudspeaker system employing the same
US6252969B1 (en) 1996-11-13 2001-06-26 Yamaha Corporation Howling detection and prevention circuit and a loudspeaker system employing the same

Also Published As

Publication number Publication date
JPH0444480B2 (enrdf_load_stackoverflow) 1992-07-21

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