DD139378A1 - CIRCUIT ARRANGEMENT FOR NOISE REDUCTION, IN PARTICULAR IN THE REPRODUCTION OF RECORDED VIDEO SIGNALS, WITH A FREQUENCY-RELATED FILTER ARRANGEMENT - Google Patents

CIRCUIT ARRANGEMENT FOR NOISE REDUCTION, IN PARTICULAR IN THE REPRODUCTION OF RECORDED VIDEO SIGNALS, WITH A FREQUENCY-RELATED FILTER ARRANGEMENT

Info

Publication number
DD139378A1
DD139378A1 DD76194043A DD19404376A DD139378A1 DD 139378 A1 DD139378 A1 DD 139378A1 DD 76194043 A DD76194043 A DD 76194043A DD 19404376 A DD19404376 A DD 19404376A DD 139378 A1 DD139378 A1 DD 139378A1
Authority
DD
German Democratic Republic
Prior art keywords
reproduction
frequency
noise reduction
video signals
recorded video
Prior art date
Application number
DD76194043A
Other languages
German (de)
Inventor
Wolfgang Heiss
Manfred Werneburg
Hartwig Hopp
Manfred Kluger
Original Assignee
Wolfgang Heiss
Manfred Werneburg
Hartwig Hopp
Manfred Kluger
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 Wolfgang Heiss, Manfred Werneburg, Hartwig Hopp, Manfred Kluger filed Critical Wolfgang Heiss
Priority to DD76194043A priority Critical patent/DD139378A1/en
Priority to DE19772731567 priority patent/DE2731567A1/en
Priority to NL7708253A priority patent/NL7708253A/en
Priority to GB31155/77A priority patent/GB1586875A/en
Priority to FR7724740A priority patent/FR2400298A1/en
Publication of DD139378A1 publication Critical patent/DD139378A1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/24—Automatic control in frequency-selective amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/911—Television signal processing therefor for the suppression of noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Picture Signal Circuits (AREA)
  • Noise Elimination (AREA)
DD76194043A 1976-07-26 1976-07-26 CIRCUIT ARRANGEMENT FOR NOISE REDUCTION, IN PARTICULAR IN THE REPRODUCTION OF RECORDED VIDEO SIGNALS, WITH A FREQUENCY-RELATED FILTER ARRANGEMENT DD139378A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DD76194043A DD139378A1 (en) 1976-07-26 1976-07-26 CIRCUIT ARRANGEMENT FOR NOISE REDUCTION, IN PARTICULAR IN THE REPRODUCTION OF RECORDED VIDEO SIGNALS, WITH A FREQUENCY-RELATED FILTER ARRANGEMENT
DE19772731567 DE2731567A1 (en) 1976-07-26 1977-07-13 CIRCUIT ARRANGEMENT FOR NOISE REDUCTION, ESPECIALLY WHEN PLAYING RECORDED VIDEO SIGNALS, WITH A FREQUENCY-DEPENDENT FILTER ARRANGEMENT
NL7708253A NL7708253A (en) 1976-07-26 1977-07-25 NOISE REDUCTION CIRCUIT, ESPECIALLY WHEN PLAYING RECORDED VIDEO SIGNALS, WITH A FREQUENCY DEPENDENT FILTER CIRCUIT.
GB31155/77A GB1586875A (en) 1976-07-26 1977-07-25 Reducing noise in the playback of recorded video signals
FR7724740A FR2400298A1 (en) 1976-07-26 1977-08-11 MOUNTING INTENDED TO REDUCE NOISE, IN PARTICULAR WHEN THE REPRODUCTION OF RECORDED VIDEO SIGNALS, AND INCLUDING FILTERING EQUIPMENT ACTING ACCORDING TO THE FREQUENCY

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD76194043A DD139378A1 (en) 1976-07-26 1976-07-26 CIRCUIT ARRANGEMENT FOR NOISE REDUCTION, IN PARTICULAR IN THE REPRODUCTION OF RECORDED VIDEO SIGNALS, WITH A FREQUENCY-RELATED FILTER ARRANGEMENT
FR7724740A FR2400298A1 (en) 1976-07-26 1977-08-11 MOUNTING INTENDED TO REDUCE NOISE, IN PARTICULAR WHEN THE REPRODUCTION OF RECORDED VIDEO SIGNALS, AND INCLUDING FILTERING EQUIPMENT ACTING ACCORDING TO THE FREQUENCY

Publications (1)

Publication Number Publication Date
DD139378A1 true DD139378A1 (en) 1979-12-27

Family

ID=25747573

Family Applications (1)

Application Number Title Priority Date Filing Date
DD76194043A DD139378A1 (en) 1976-07-26 1976-07-26 CIRCUIT ARRANGEMENT FOR NOISE REDUCTION, IN PARTICULAR IN THE REPRODUCTION OF RECORDED VIDEO SIGNALS, WITH A FREQUENCY-RELATED FILTER ARRANGEMENT

Country Status (5)

Country Link
DD (1) DD139378A1 (en)
DE (1) DE2731567A1 (en)
FR (1) FR2400298A1 (en)
GB (1) GB1586875A (en)
NL (1) NL7708253A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490427B1 (en) * 1980-09-16 1986-04-18 Thomson Csf DEMODULATOR OF A FREQUENCY MODULATED SIGNAL AND TELEVISION SYSTEM COMPRISING SUCH A DEMODULATOR
JPS57112188A (en) * 1980-12-29 1982-07-13 Pioneer Video Corp Erasing circuit for high frequency crosstalk in video disc reproducing device
JPS57168593A (en) * 1981-01-28 1982-10-16 Toshiba Corp Wide-band color demodulator
US4472733A (en) * 1982-09-01 1984-09-18 Rca Corporation Color channel signal-to-noise improvement in digital television
JPS62175025A (en) † 1986-01-25 1987-07-31 Fujitsu Ten Ltd Noise eliminator
KR920007491Y1 (en) * 1989-12-31 1992-10-15 삼성전자 주식회사 High quality video recording circuit
DE19546406C1 (en) * 1995-12-12 1997-05-22 Becker Gmbh Digital IF filter circuit for FM receiver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488359A (en) * 1940-03-11 1949-11-15 Hazeltine Research Inc Frequency-modulated carrier signal receiver
US3333055A (en) * 1963-06-01 1967-07-25 Fernseh Gmbh Apparatus for increasing the signal-to-noise ratio of a television signal
JPS5428981Y2 (en) * 1974-06-17 1979-09-17
US3288930A (en) * 1964-11-12 1966-11-29 Winston Res Corp Wide-band signal-translating channel
FR2032118A5 (en) * 1969-02-19 1970-11-20 Thomson Csf
US3872387A (en) * 1972-09-29 1975-03-18 Zenith Radio Corp Frequency response modifier for fixed-tuned IF amplifiers

Also Published As

Publication number Publication date
DE2731567A1 (en) 1978-02-02
NL7708253A (en) 1978-01-30
FR2400298A1 (en) 1979-03-09
GB1586875A (en) 1981-03-25

Similar Documents

Publication Publication Date Title
JPS52131262A (en) Filter medium
DE69108270D1 (en) Circuit for the suppression of additive errors in data channels.
NL7903368A (en) VIDEO SIGNAL EDITING CIRCUIT.
JPS52146602A (en) Defect recorder
HK74079A (en) Automatic noise limiter
DD139378A1 (en) CIRCUIT ARRANGEMENT FOR NOISE REDUCTION, IN PARTICULAR IN THE REPRODUCTION OF RECORDED VIDEO SIGNALS, WITH A FREQUENCY-RELATED FILTER ARRANGEMENT
GB1557613A (en) Automated for fixed patters add even video noise
AU509709B2 (en) Recursive digital filter
JPS5338212A (en) Noise attenuator
AT374938B (en) NOISE REDUCTION CIRCUIT, IN PARTICULAR WITH MAGNETIC TAPE EQUIPMENT
JPS52132712A (en) Noise deleting system
IT7928117A0 (en) EQUIPMENT TO REDUCE THE DURATION OF REPRODUCTION OF RECORDED SOUND SIGNALS.
AT374939B (en) CIRCUIT FOR NOISE REDUCTION FOR INFORMATION SIGNALS, PREFERABLY FOR MAGNETIC TAPE DEVICES
NL7805487A (en) TAPE RECORDER.
JPS52134407A (en) Tape deck
DE68914232D1 (en) Crosstalk cancellation circuit for removing the crosstalk component of a playback signal.
JPS5336414A (en) Noise deleting circuit
JPS5327644A (en) Selffemulsifiable phenolic resin compound
JPS52138907A (en) Recorder reproducer
JPS52119812A (en) Noise deleting system
FR2555959B1 (en) IMPROVEMENTS ON KITES
SE424129B (en) RECEIVER FOR MULTIPLE FREQUENCY SIGNALS
LU77738A1 (en) CIRCUIT ARRANGEMENT FOR THE TRANSMISSION OF TELEVISION SIGNALS
KR850004233U (en) Electronic recording playback converter
JPS5422809A (en) Tape recorder having repeating function