Coding device and a decoding device
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United States of America Patent
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-
Apr 21, 1992
Grant Date -
N/A
app pub date -
Oct 30, 1989
filing date -
Nov 17, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coding device comprises a coding circuit in which a range of values, which local decoded values are permitted to have is made narrower than a range of values, which input sample values are permitted to have when coding a differential value between an input sample value and its predictive value. A decoding device substitutes a decoded value to be subsequently decoded for a decoded value in which a gradient overload is produced when decoding a code provided by coding a differential value between an input sample value and its predictive value.
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