| 摘要 |
A device for processing a data sequence consisting of data having an m number (an integer) of quantization levels is arranged to divide the m number of levels into an n number (an integer less than m) of groups and to make the data into such data that has a fixed part consisting of a fixed number of bits indicating the divided groups and a variable part consisting of a variable number of bits indicating each data to an extent of unit quantization level within each of the groups.
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