Method of quantizing predictive errors
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United States of America Patent
Stats
-
Mar 21, 1989
Grant Date -
N/A
app pub date -
Mar 31, 1987
filing date -
Mar 31, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Predictive errors are grouped into a plurality of quantizing ranges, and the predictive errors in the respective quantizing ranges are represented by representative quantizing values assigned respectively to the quantizing ranges. The predictive error data items in each of the quantizing ranges are processed to provide a weighted mean value based on the frequency distribution thereto. The weighted mean value or a value close thereto is used as a representative quantized value for that quantizing range.
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