Encoding apparatus
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United States of America Patent
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Sep 22, 1992
Grant Date -
N/A
app pub date -
Oct 16, 1991
filing date -
Oct 19, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
A maximum value of each block after orthogonal transformation is detected, and an output word length after orthogonal transformation is controlled in accordance with the maximum value thus detected. In addition, a plurality of tables each having a plurality of quantizers combinedly used are prepared and a table is selected in accordance with the maximum value of each block, thereby selecting the optimum quantizer in accordance with the data amount thus generated.
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