Coded data generation or conversion – Digital code to digital code converters – To or from code based on probability
Patent
1997-09-03
1999-06-22
Young, Brian
Coded data generation or conversion
Digital code to digital code converters
To or from code based on probability
341106, H03M 740
Patent
active
059146800
ABSTRACT:
A data encoding and decoding method and apparatus which performs a high-speed operation using the F-V encoding. Input data including a plurality of elementary data having a predetermined length is encoded by assigning a code to each elementary data. The code has a code length corresponding to a frequency of appearance of the corresponding elementary data so that the assigned code is packed into a data unit having a fixed data length. The code length of the code assigned to each elementary data is fixed to a predetermined length so that the data unit having the fixed data length is formable by a plurality of the predetermined lengths. Each elementary data is encoded into the code having the fixed code length. The code is packed so that the code is output when a total length of the packed codes becomes the fixed data length of the data unit.
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Fujitsu Limited
Young Brian
LandOfFree
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