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For decompression, the predictor makes an identical series of predictions, given the bits decompressed so far. The arithmetic coder makes an identical series of range splits, then selects the range containing ''p''<sub>''x''</sub> and outputs the bit ''x''<sub>''i''</sub> corresponding to that subrange.
In practice, it is not necessary to keep ''p''<sub>low</sub> and ''p''<sub>high</sub> in memory to high precision. As the range narrows
=== DMC model ===
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