CA2226587A1 - Communication of vbi data in digital television data streams - Google Patents

Communication of vbi data in digital television data streams

Info

Publication number
CA2226587A1
CA2226587A1 CA002226587A CA2226587A CA2226587A1 CA 2226587 A1 CA2226587 A1 CA 2226587A1 CA 002226587 A CA002226587 A CA 002226587A CA 2226587 A CA2226587 A CA 2226587A CA 2226587 A1 CA2226587 A1 CA 2226587A1
Authority
CA
Canada
Prior art keywords
data
vbi
insert
digital
syntax
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.)
Granted
Application number
CA002226587A
Other languages
French (fr)
Other versions
CA2226587C (en
Inventor
Ray Nuber
G. Kent Walker
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.)
Arris Technology Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2226587A1 publication Critical patent/CA2226587A1/en
Application granted granted Critical
Publication of CA2226587C publication Critical patent/CA2226587C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/083—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical and the horizontal blanking interval, e.g. MAC data signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh

Abstract

A method and apparatus are provided for communicating VBI user information in digital television data streams via a generic syntax. The syntax allows the digital transport of virtually any type of user data that may be carried in the VBI portion of an analog television signal. A pixel generator is used to insert VBI lines into a digital video signal using information provided in the user portion of the digital data stream. The syntax provides the pixel generator with the start time of the first symbol, the number of pixels per symbol, the high and low levels to insert, the fraction of the symbol time that is transition time, the number of symbols to insert and the frame line number on which to insert the data.
CA002226587A 1997-01-16 1998-01-12 Communication of vbi data in digital television data streams Expired - Lifetime CA2226587C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/783,432 US5844615A (en) 1997-01-16 1997-01-16 Communication of VBI data in digital television data streams
US08/783,432 1997-01-16

Publications (2)

Publication Number Publication Date
CA2226587A1 true CA2226587A1 (en) 1998-07-16
CA2226587C CA2226587C (en) 2004-07-20

Family

ID=25129231

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002226587A Expired - Lifetime CA2226587C (en) 1997-01-16 1998-01-12 Communication of vbi data in digital television data streams

Country Status (8)

Country Link
US (2) US5844615A (en)
EP (1) EP0854654B1 (en)
JP (1) JPH10224751A (en)
KR (1) KR19980070567A (en)
AT (1) ATE359674T1 (en)
CA (1) CA2226587C (en)
DE (1) DE69837502T2 (en)
TW (1) TW404130B (en)

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Also Published As

Publication number Publication date
JPH10224751A (en) 1998-08-21
KR19980070567A (en) 1998-10-26
EP0854654B1 (en) 2007-04-11
EP0854654A2 (en) 1998-07-22
TW404130B (en) 2000-09-01
ATE359674T1 (en) 2007-05-15
CA2226587C (en) 2004-07-20
DE69837502D1 (en) 2007-05-24
US6400767B1 (en) 2002-06-04
EP0854654A3 (en) 2002-06-05
MX9800512A (en) 1998-10-31
US5844615A (en) 1998-12-01
DE69837502T2 (en) 2007-12-13

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Effective date: 20180112

MKEX Expiry

Effective date: 20180112