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NL7413938A - ARRANGEMENT AND METHOD FOR CANCELING ACOUSTIC FEEDBACK. - Google Patents

ARRANGEMENT AND METHOD FOR CANCELING ACOUSTIC FEEDBACK.

Info

Publication number
NL7413938A
NL7413938A NL7413938A NL7413938A NL7413938A NL 7413938 A NL7413938 A NL 7413938A NL 7413938 A NL7413938 A NL 7413938A NL 7413938 A NL7413938 A NL 7413938A NL 7413938 A NL7413938 A NL 7413938A
Authority
NL
Netherlands
Prior art keywords
arrangement
acoustic feedback
canceling acoustic
canceling
feedback
Prior art date
Application number
NL7413938A
Other languages
Dutch (nl)
Original Assignee
Saad Zaghloul Mohamed Gabr
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 Saad Zaghloul Mohamed Gabr filed Critical Saad Zaghloul Mohamed Gabr
Priority to AT855374A priority Critical patent/AT337280B/en
Priority to NL7413938A priority patent/NL7413938A/en
Priority to DE19742451278 priority patent/DE2451278C2/en
Priority to FR7436791A priority patent/FR2290814A1/en
Publication of NL7413938A publication Critical patent/NL7413938A/en

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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
NL7413938A 1974-10-24 1974-10-24 ARRANGEMENT AND METHOD FOR CANCELING ACOUSTIC FEEDBACK. NL7413938A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT855374A AT337280B (en) 1974-10-24 1974-10-24 CIRCUIT ARRANGEMENT FOR SUPPRESSION OF ACOUSTIC FEEDBACK
NL7413938A NL7413938A (en) 1974-10-24 1974-10-24 ARRANGEMENT AND METHOD FOR CANCELING ACOUSTIC FEEDBACK.
DE19742451278 DE2451278C2 (en) 1974-10-24 1974-10-29 Method for canceling acoustic feedback between a microphone arrangement and an electrically connected loudspeaker arrangement and electrical circuit for carrying out the method
FR7436791A FR2290814A1 (en) 1974-10-24 1974-11-06 Acoustic feedback coupling disturbance suppression arrangement - has successive circuit stages operating on desired and undesired components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7413938A NL7413938A (en) 1974-10-24 1974-10-24 ARRANGEMENT AND METHOD FOR CANCELING ACOUSTIC FEEDBACK.

Publications (1)

Publication Number Publication Date
NL7413938A true NL7413938A (en) 1976-04-27

Family

ID=19822330

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7413938A NL7413938A (en) 1974-10-24 1974-10-24 ARRANGEMENT AND METHOD FOR CANCELING ACOUSTIC FEEDBACK.

Country Status (4)

Country Link
AT (1) AT337280B (en)
DE (1) DE2451278C2 (en)
FR (1) FR2290814A1 (en)
NL (1) NL7413938A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2633394C2 (en) * 1976-07-24 1983-08-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Circuit arrangement for compensating for the acoustic feedback
US4087633A (en) * 1977-07-18 1978-05-02 Bell Telephone Laboratories, Incorporated Dereverberation system
DE2931604C2 (en) * 1979-08-03 1982-04-29 Siemens AG, 1000 Berlin und 8000 München Noise-compensated microphone circuit
US4311874A (en) * 1979-12-17 1982-01-19 Bell Telephone Laboratories, Incorporated Teleconference microphone arrays
DE3325031A1 (en) * 1983-07-11 1985-01-24 Sennheiser Electronic Kg, 3002 Wedemark INFRARED HEADPHONES

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884376C (en) * 1944-09-21 1953-07-27 Siemens Ag Loudspeaker system with circuitry to avoid feedback

Also Published As

Publication number Publication date
DE2451278A1 (en) 1976-05-06
AT337280B (en) 1977-06-27
DE2451278C2 (en) 1984-02-16
ATA855374A (en) 1976-10-15
FR2290814A1 (en) 1976-06-04
FR2290814B1 (en) 1982-04-16

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed