Film to video format converter using least significant look-up table
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United States of America Patent
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-
Nov 24, 1998
Issued Date -
N/A
app pub date -
Nov 6, 1995
filing date -
Sep 7, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A format converter is provided for converting without loss of picture information a motion picture film image to and/or from a given recorder/player format. The recorder/player stores chrominance and luminance data as 8 bit digital samples. The motion picture chrominance information is also provided as 8 bit samples. The motion picture luminance data is provided either 9 or 10 bit samples. The 8 most significant bits of each luminance sample are stored as sequential 8 bit samples in the fields of the player/recorder. The additional 1 or 2 bits per luminance sample is/are stored at the end of the sequential 8 bit samples in each field of the recorder/player. During replay, the additional 1 or 2 bits per sample is/are matched with a corresponding 8 bit sample to reform 9 or 10 bit luminance samples.
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