FR2542530B1 - Circuit de reduction de bruit utilisant une technique d'interpolation lineaire et presentant une caracteristique de desaccentuation - Google Patents

Circuit de reduction de bruit utilisant une technique d'interpolation lineaire et presentant une caracteristique de desaccentuation

Info

Publication number
FR2542530B1
FR2542530B1 FR8403578A FR8403578A FR2542530B1 FR 2542530 B1 FR2542530 B1 FR 2542530B1 FR 8403578 A FR8403578 A FR 8403578A FR 8403578 A FR8403578 A FR 8403578A FR 2542530 B1 FR2542530 B1 FR 2542530B1
Authority
FR
France
Prior art keywords
deacentation
characteristic
noise reduction
linear interpolation
reduction circuit
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
Application number
FR8403578A
Other languages
English (en)
Other versions
FR2542530A1 (fr
Inventor
Yukinobu Ishigaki
Kazutoshi Hirohashi
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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
Priority claimed from JP3846783A external-priority patent/JPS59165528A/ja
Priority claimed from JP4206983A external-priority patent/JPS59168725A/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of FR2542530A1 publication Critical patent/FR2542530A1/fr
Application granted granted Critical
Publication of FR2542530B1 publication Critical patent/FR2542530B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
FR8403578A 1983-03-09 1984-03-08 Circuit de reduction de bruit utilisant une technique d'interpolation lineaire et presentant une caracteristique de desaccentuation Expired FR2542530B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3846783A JPS59165528A (ja) 1983-03-09 1983-03-09 パルス性雑音の低減装置
JP4206983A JPS59168725A (ja) 1983-03-14 1983-03-14 パルス性雑音の低減装置

Publications (2)

Publication Number Publication Date
FR2542530A1 FR2542530A1 (fr) 1984-09-14
FR2542530B1 true FR2542530B1 (fr) 1988-09-23

Family

ID=26377731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8403578A Expired FR2542530B1 (fr) 1983-03-09 1984-03-08 Circuit de reduction de bruit utilisant une technique d'interpolation lineaire et presentant une caracteristique de desaccentuation

Country Status (4)

Country Link
US (1) US4532475A (fr)
DE (1) DE3408103A1 (fr)
FR (1) FR2542530B1 (fr)
GB (1) GB2136254B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138428A (en) * 1976-10-21 1979-02-06 Imperial Chemical Industries Limited Dimerization process
DE19544438A1 (de) * 1995-11-29 1997-06-05 Bosch Gmbh Robert Schaltungsanordnung zum kurzzeitigen Stummschalten der Wiedergabe eines NF-Signals in einem Rundfunkempfänger
JP3283806B2 (ja) * 1997-10-28 2002-05-20 日本電気株式会社 アンダシュート・オーバシュート防止回路
JP3454214B2 (ja) 1999-12-22 2003-10-06 三菱電機株式会社 パルス雑音除去装置およびこれを含む中波ａｍ音声放送受信機

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE758331A (fr) * 1969-11-01 1971-04-30 Philips Nv Circuit permettant de supprimer des parasites dans un recepteurde signaux electriques
US3678296A (en) * 1970-04-14 1972-07-18 American Optical Corp Electrical signal slope polarity change detector
US4076969A (en) * 1975-04-07 1978-02-28 Singer & Singer Impulse noise reduction system
DE2916127C2 (de) * 1978-04-21 1984-03-22 Nippon Telegraph & Telephone Public Corp., Tokyo Einrichtung zur Unterdrückung vorübergehend auftretender Störgeräusche
JPS5514734A (en) * 1978-07-17 1980-02-01 Nec Corp Pulse noise elimination circuit
US4311963A (en) * 1978-07-18 1982-01-19 Matsushita Electric Industrial Co., Ltd. Noise pulse suppressing system
DE3028334C2 (de) * 1980-07-25 1983-01-05 Polygram Gmbh, 2000 Hamburg Verfahren zum Beseitigen oder Unterdrücken von akustischen Störsignalen bei für den Wiedergabevorgang aufzubereitenden Audioprogrammen
EP0099760B1 (fr) * 1982-07-21 1988-06-29 Victor Company Of Japan, Limited Circuit pour reconstituer des signaux affectés par du bruit parasite
DE3370912D1 (en) * 1982-07-30 1987-05-14 Victor Company Of Japan Circuit arrangement for reconstructing noise-affected signals

Also Published As

Publication number Publication date
DE3408103C2 (fr) 1988-11-17
FR2542530A1 (fr) 1984-09-14
US4532475A (en) 1985-07-30
DE3408103A1 (de) 1984-09-13
GB2136254B (en) 1987-03-11
GB2136254A (en) 1984-09-12
GB8405767D0 (en) 1984-04-11

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Legal Events

Date Code Title Description
ST Notification of lapse