Coded data generation or conversion – Digital code to digital code converters – To or from packed format
Patent
1998-04-07
2000-05-23
Tokar, Michael
Coded data generation or conversion
Digital code to digital code converters
To or from packed format
341 50, H03M 700
Patent
active
060670347
ABSTRACT:
A method of mapping a substring of a bit stream to a symbol selected from a set of symbols, comprising: determining if the numeric value of an n bit substring of the bit stream is below a threshold; selecting the symbol from a first subset of symbols if the numeric value is below the threshold; selecting the symbol from a second subset if the numeric value is equal to or greater than the threshold and the next bit of the bit stream is a 0; and, selecting the symbol from a third subset if the numeric value is equal to or greater than the threshold and the next bit of the bit stream is a 1.
REFERENCES:
patent: 3711692 (1973-01-01), Batcher
patent: 5838738 (1998-11-01), Zook
patent: 5841379 (1998-11-01), Seshan et al.
Balisteri William M.
Demjanenko Victor
Hirzel Frederic J.
Jean-Pierre Peguy
Tokar Michael
Vocal Technologies Ltd.
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