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GB2072991B - Coding and decoding of ntsc colour television signals - Google Patents

Coding and decoding of ntsc colour television signals

Info

Publication number
GB2072991B
GB2072991B GB8109941A GB8109941A GB2072991B GB 2072991 B GB2072991 B GB 2072991B GB 8109941 A GB8109941 A GB 8109941A GB 8109941 A GB8109941 A GB 8109941A GB 2072991 B GB2072991 B GB 2072991B
Authority
GB
United Kingdom
Prior art keywords
decoding
coding
television signals
colour television
ntsc colour
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
GB8109941A
Other versions
GB2072991A (en
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 GB8010814A external-priority patent/GB2045577B/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB8109941A priority Critical patent/GB2072991B/en
Publication of GB2072991A publication Critical patent/GB2072991A/en
Application granted granted Critical
Publication of GB2072991B publication Critical patent/GB2072991B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
GB8109941A 1980-03-31 1981-03-31 Coding and decoding of ntsc colour television signals Expired GB2072991B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8109941A GB2072991B (en) 1980-03-31 1981-03-31 Coding and decoding of ntsc colour television signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8010814A GB2045577B (en) 1979-03-29 1980-03-31 Processing of ntsc colour television signals
GB8109941A GB2072991B (en) 1980-03-31 1981-03-31 Coding and decoding of ntsc colour television signals

Publications (2)

Publication Number Publication Date
GB2072991A GB2072991A (en) 1981-10-07
GB2072991B true GB2072991B (en) 1984-06-06

Family

ID=26275040

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8109941A Expired GB2072991B (en) 1980-03-31 1981-03-31 Coding and decoding of ntsc colour television signals

Country Status (1)

Country Link
GB (1) GB2072991B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4792854A (en) * 1982-09-14 1988-12-20 New York Institute Of Technology Apparatus for temporally processing a video signal
FR2548853B1 (en) * 1983-07-06 1986-02-28 Labo Electronique Physique COLOR TELEVISION SIGNAL BROADCASTING CHAIN
US4636841A (en) * 1984-05-31 1987-01-13 Rca Corporation Field comb for luminance separation of NTSC signals
US4626895A (en) * 1984-08-09 1986-12-02 Rca Corporation Sampled data video signal chrominance/luminance separation system
US4636840A (en) * 1984-08-09 1987-01-13 Rca Corporation Adaptive luminance-chrominance separation apparatus
US4893176A (en) * 1985-10-09 1990-01-09 Faroudja Y C Adaptive comb filter for quadrature modulated color television systems
US4864389A (en) * 1986-05-01 1989-09-05 Faroudja Laboratories, Inc. Comb filter method and apparatus for chrominance and luminance separation in quadrature modulated color subcarrier television systems
US4731660A (en) * 1987-02-20 1988-03-15 Yves C. Faroudja Processing methods using adaptive threshold for removal of chroma/luminance cross-talk in quadrature-modulated subcarrier color television systems
GB8721565D0 (en) * 1987-09-14 1987-10-21 Rca Corp Video signal processing system
US4910585A (en) * 1988-06-29 1990-03-20 General Electric Company Frequency selective video signal intraframe processor
US4951129A (en) * 1989-01-09 1990-08-21 Dubner Computer Systems, Inc. Digital prefiltering of encoded video signals

Also Published As

Publication number Publication date
GB2072991A (en) 1981-10-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee