JPH0586718B2 - - Google Patents

Info

Publication number
JPH0586718B2
JPH0586718B2 JP59119347A JP11934784A JPH0586718B2 JP H0586718 B2 JPH0586718 B2 JP H0586718B2 JP 59119347 A JP59119347 A JP 59119347A JP 11934784 A JP11934784 A JP 11934784A JP H0586718 B2 JPH0586718 B2 JP H0586718B2
Authority
JP
Japan
Prior art keywords
howling
pass filter
section
low
output
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
JP59119347A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60263598A (ja
Inventor
Satoru Ibaraki
Hiromoto Furukawa
Hiroyuki Naono
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 JP59119347A priority Critical patent/JPS60263598A/ja
Priority to US06/719,740 priority patent/US4747132A/en
Publication of JPS60263598A publication Critical patent/JPS60263598A/ja
Publication of JPH0586718B2 publication Critical patent/JPH0586718B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/21—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a set of bandfilters
    • 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

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP59119347A 1984-04-09 1984-06-11 ハウリング抑圧装置 Granted JPS60263598A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59119347A JPS60263598A (ja) 1984-06-11 1984-06-11 ハウリング抑圧装置
US06/719,740 US4747132A (en) 1984-04-09 1985-04-03 Howling canceller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59119347A JPS60263598A (ja) 1984-06-11 1984-06-11 ハウリング抑圧装置

Publications (2)

Publication Number Publication Date
JPS60263598A JPS60263598A (ja) 1985-12-27
JPH0586718B2 true JPH0586718B2 (enrdf_load_stackoverflow) 1993-12-14

Family

ID=14759236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59119347A Granted JPS60263598A (ja) 1984-04-09 1984-06-11 ハウリング抑圧装置

Country Status (1)

Country Link
JP (1) JPS60263598A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0658064A3 (en) * 1993-12-09 2004-09-01 Matsushita Electric Industrial Co., Ltd. Acoustic reproducing apparatus

Also Published As

Publication number Publication date
JPS60263598A (ja) 1985-12-27

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