JPS5479002A - Audio frequency noise suppressor - Google Patents

Audio frequency noise suppressor

Info

Publication number
JPS5479002A
JPS5479002A JP14171078A JP14171078A JPS5479002A JP S5479002 A JPS5479002 A JP S5479002A JP 14171078 A JP14171078 A JP 14171078A JP 14171078 A JP14171078 A JP 14171078A JP S5479002 A JPS5479002 A JP S5479002A
Authority
JP
Japan
Prior art keywords
audio frequency
frequency noise
noise suppressor
suppressor
audio
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.)
Pending
Application number
JP14171078A
Other languages
English (en)
Japanese (ja)
Inventor
Berunharuto Hainritsu Yohanesu
Mashiiru Toyumitsuto Yohan
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPS5479002A publication Critical patent/JPS5479002A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Confectionery (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
JP14171078A 1977-11-15 1978-11-15 Audio frequency noise suppressor Pending JPS5479002A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7712534A NL7712534A (nl) 1977-11-15 1977-11-15 Schakeling voor het onderdrukken van storingen tengevolge van krassen in een grammofoonplaat.

Publications (1)

Publication Number Publication Date
JPS5479002A true JPS5479002A (en) 1979-06-23

Family

ID=19829537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14171078A Pending JPS5479002A (en) 1977-11-15 1978-11-15 Audio frequency noise suppressor

Country Status (15)

Country Link
JP (1) JPS5479002A (fr)
AR (1) AR216346A1 (fr)
AT (1) AT357780B (fr)
BE (1) BE871969A (fr)
BR (1) BR7807453A (fr)
CA (1) CA1110548A (fr)
DE (1) DE2849375A1 (fr)
ES (1) ES475021A1 (fr)
FR (1) FR2408965A1 (fr)
GB (1) GB2007945B (fr)
HK (1) HK33882A (fr)
IT (1) IT1101046B (fr)
MX (1) MX147638A (fr)
NL (1) NL7712534A (fr)
SE (1) SE7811667L (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2916127C2 (de) * 1978-04-21 1984-03-22 Nippon Telegraph & Telephone Public Corp., Tokyo Einrichtung zur Unterdrückung vorübergehend auftretender Störgeräusche
DE3016779C2 (de) * 1980-04-30 1986-09-18 Siemens AG, 1000 Berlin und 8000 München Knackschutz für die digitale Tonprogrammübertragung
DE3212615C2 (de) * 1982-04-05 1984-09-06 Bayerische Motoren Werke AG, 8000 München Verfahren zum Umschalten der Wiedergabe eines Rundfunksignals auf ein anderes Rundfunksignal und Schaltungsanordnung zur Durchführung des Verfahrens
NL8402322A (nl) * 1984-07-23 1986-02-17 Philips Nv Inrichting voor het detekteren van impulsachtige storingen, en een inrichting voor het onderdrukken van impulsachtige storingen voorzien van een inrichting voor het detekteren van impulsachtige storingen.

Also Published As

Publication number Publication date
MX147638A (es) 1982-12-24
HK33882A (en) 1982-07-30
BE871969A (fr) 1979-05-14
BR7807453A (pt) 1979-07-17
GB2007945A (en) 1979-05-23
FR2408965A1 (fr) 1979-06-08
AT357780B (de) 1980-07-25
ES475021A1 (es) 1979-04-16
IT7829694A0 (it) 1978-11-10
NL7712534A (nl) 1979-05-17
DE2849375A1 (de) 1979-05-17
ATA811878A (de) 1979-12-15
SE7811667L (sv) 1979-05-16
IT1101046B (it) 1985-09-28
CA1110548A (fr) 1981-10-13
GB2007945B (en) 1982-05-06
AR216346A1 (es) 1979-12-14

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