AR216346A1 - SCRATCH NOISE SUPPRESSION CIRCUIT ON A PHONOGRAPHIC DISC - Google Patents

SCRATCH NOISE SUPPRESSION CIRCUIT ON A PHONOGRAPHIC DISC

Info

Publication number
AR216346A1
AR216346A1 AR274059A AR27405978A AR216346A1 AR 216346 A1 AR216346 A1 AR 216346A1 AR 274059 A AR274059 A AR 274059A AR 27405978 A AR27405978 A AR 27405978A AR 216346 A1 AR216346 A1 AR 216346A1
Authority
AR
Argentina
Prior art keywords
noise suppression
suppression circuit
scratch noise
phonographic disc
phonographic
Prior art date
Application number
AR274059A
Other languages
Spanish (es)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AR216346A1 publication Critical patent/AR216346A1/en

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)
  • Investigating Or Analysing Biological Materials (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
AR274059A 1977-11-15 1978-10-12 SCRATCH NOISE SUPPRESSION CIRCUIT ON A PHONOGRAPHIC DISC AR216346A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7712534A NL7712534A (en) 1977-11-15 1977-11-15 CIRCUIT FOR SUPPRESSING FAULTS DUE TO SCRATCHES IN A GRAMOPHONE DISC.

Publications (1)

Publication Number Publication Date
AR216346A1 true AR216346A1 (en) 1979-12-14

Family

ID=19829537

Family Applications (1)

Application Number Title Priority Date Filing Date
AR274059A AR216346A1 (en) 1977-11-15 1978-10-12 SCRATCH NOISE SUPPRESSION CIRCUIT ON A PHONOGRAPHIC DISC

Country Status (15)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE430455B (en) * 1978-04-21 1983-11-14 Nippon Telegraph & Telephone RECEIVER DEVICE WITH THE FUNCTION TO COMPRESS NOISE DURING Sudden Interruptions
DE3016779C2 (en) * 1980-04-30 1986-09-18 Siemens AG, 1000 Berlin und 8000 München Click protection for digital audio program transmission
DE3212615C2 (en) * 1982-04-05 1984-09-06 Bayerische Motoren Werke AG, 8000 München Method for switching the reproduction of a broadcast signal to another broadcast signal and circuit arrangement for carrying out the method
NL8402322A (en) * 1984-07-23 1986-02-17 Philips Nv DEVICE FOR DETECTING IMPULSE INTERFERENCES, AND A DEVICE FOR SUPPRESSING IMPULSE INTERFERENCES, INCLUDING DEVICE FOR DETECTING IMPULSE INTERFERENCES.

Also Published As

Publication number Publication date
SE7811667L (en) 1979-05-16
HK33882A (en) 1982-07-30
JPS5479002A (en) 1979-06-23
GB2007945A (en) 1979-05-23
MX147638A (en) 1982-12-24
AT357780B (en) 1980-07-25
ES475021A1 (en) 1979-04-16
BR7807453A (en) 1979-07-17
NL7712534A (en) 1979-05-17
GB2007945B (en) 1982-05-06
FR2408965A1 (en) 1979-06-08
CA1110548A (en) 1981-10-13
BE871969A (en) 1979-05-14
DE2849375A1 (en) 1979-05-17
IT1101046B (en) 1985-09-28
IT7829694A0 (en) 1978-11-10
ATA811878A (en) 1979-12-15

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