GB2246049B - Bandwidth reduction system for television - Google Patents

Bandwidth reduction system for television

Info

Publication number
GB2246049B
GB2246049B GB9114331A GB9114331A GB2246049B GB 2246049 B GB2246049 B GB 2246049B GB 9114331 A GB9114331 A GB 9114331A GB 9114331 A GB9114331 A GB 9114331A GB 2246049 B GB2246049 B GB 2246049B
Authority
GB
United Kingdom
Prior art keywords
television
reduction system
bandwidth reduction
bandwidth
reduction
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 - Fee Related
Application number
GB9114331A
Other versions
GB2246049A (en
GB9114331D0 (en
Inventor
Graham Alexander Thomas
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 GB888814822A external-priority patent/GB8814822D0/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB9114331A priority Critical patent/GB2246049B/en
Publication of GB9114331D0 publication Critical patent/GB9114331D0/en
Publication of GB2246049A publication Critical patent/GB2246049A/en
Application granted granted Critical
Publication of GB2246049B publication Critical patent/GB2246049B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • H04N7/0152—High-definition television systems using spatial or temporal subsampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • H04N7/0152—High-definition television systems using spatial or temporal subsampling
    • H04N7/0155—High-definition television systems using spatial or temporal subsampling using pixel blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
    • H04N7/125—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line the signal segment being a picture element

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB9114331A 1988-06-22 1991-07-03 Bandwidth reduction system for television Expired - Fee Related GB2246049B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9114331A GB2246049B (en) 1988-06-22 1991-07-03 Bandwidth reduction system for television

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888814822A GB8814822D0 (en) 1988-06-22 1988-06-22 Bandwidth reduction system for television
GB9114331A GB2246049B (en) 1988-06-22 1991-07-03 Bandwidth reduction system for television

Publications (3)

Publication Number Publication Date
GB9114331D0 GB9114331D0 (en) 1991-08-21
GB2246049A GB2246049A (en) 1992-01-15
GB2246049B true GB2246049B (en) 1992-11-11

Family

ID=26294064

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9114331A Expired - Fee Related GB2246049B (en) 1988-06-22 1991-07-03 Bandwidth reduction system for television

Country Status (1)

Country Link
GB (1) GB2246049B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139404C2 (en) * 1991-11-29 1996-11-07 Sony Deutschland Gmbh Image signal processing device

Also Published As

Publication number Publication date
GB2246049A (en) 1992-01-15
GB9114331D0 (en) 1991-08-21

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Legal Events

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

Effective date: 19940622