JPH0586720B2 - - Google Patents

Info

Publication number
JPH0586720B2
JPH0586720B2 JP18553684A JP18553684A JPH0586720B2 JP H0586720 B2 JPH0586720 B2 JP H0586720B2 JP 18553684 A JP18553684 A JP 18553684A JP 18553684 A JP18553684 A JP 18553684A JP H0586720 B2 JPH0586720 B2 JP H0586720B2
Authority
JP
Japan
Prior art keywords
transfer characteristic
section
speaker
microphone
signal
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
JP18553684A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6163195A (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 JP18553684A priority Critical patent/JPS6163195A/ja
Priority to US06/719,740 priority patent/US4747132A/en
Publication of JPS6163195A publication Critical patent/JPS6163195A/ja
Publication of JPH0586720B2 publication Critical patent/JPH0586720B2/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
    • 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

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)
JP18553684A 1984-04-09 1984-09-04 ハウリング抑圧装置 Granted JPS6163195A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP18553684A JPS6163195A (ja) 1984-09-04 1984-09-04 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
JP18553684A JPS6163195A (ja) 1984-09-04 1984-09-04 ハウリング抑圧装置

Publications (2)

Publication Number Publication Date
JPS6163195A JPS6163195A (ja) 1986-04-01
JPH0586720B2 true JPH0586720B2 (enrdf_load_stackoverflow) 1993-12-14

Family

ID=16172520

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18553684A Granted JPS6163195A (ja) 1984-04-09 1984-09-04 ハウリング抑圧装置

Country Status (1)

Country Link
JP (1) JPS6163195A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4997585A (en) * 1990-03-30 1991-03-05 Exxon Research And Engineering Company Aromatic substituted benzotriazole containing lubricants having improved oxidation stability
DE4334040C2 (de) * 1993-10-06 1996-07-11 Klippel Wolfgang Schaltungsanordnung zur selbständigen Korrektur des Übertragungsverhaltens von elektrodynamischen Schallsendern ohne zusätzlichen mechanischen oder akustischen Sensor
CN110530028B (zh) * 2019-09-23 2023-09-26 珠海格力电器股份有限公司 壳体、热水器及降噪控制方法

Also Published As

Publication number Publication date
JPS6163195A (ja) 1986-04-01

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