Video system, method and apparatus for incorporating audio or data in video scan intervals
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United States of America Patent
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Jul 18, 1989
Issued Date -
N/A
app pub date -
Feb 4, 1988
filing date -
Feb 19, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved system, apparatus and method are disclosed for interleaving selected video fields of multiple displayable programs to facilitate viewer selection of which programs to display. Selected video fields are stored and continuously displayed until new, successive video field is selected to update the currently stored video field. In this manner, a sequence of rapidly updated, fixed or frozen video fields provide the appearance of continuous movement of displayed images. Digital data is included in the video fields to identify the particular fields occurring in an arbitrary sequence. The sequence of interleaved video fields may be assembled in real time or stored as a video tape recording, and the information needed to re-assembly correlated video fields of a selected displayable program from the arbitrary sequence of interleaved video fields is included in the digital data in the horizontal scans of traces of each video field in the sequence. Audio signals are included in the video fields of the displayable programs to provide correlated audio signals synchronized with the selected re-assembled video fields of the selected displayable program.
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Cited Art Landscape
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