System, coding section, arrangement, coding apparatus, and method
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United States of America Patent
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Jan 26, 1999
Grant Date -
N/A
app pub date -
Jun 30, 1997
filing date -
Jul 15, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Known systems use two probability signals for coding an input signal into an output signal and for decoding said output signal into the input signal. In a first memory field two probability signals are stored, and in a second memory field two other probability signals are stored, and in response to a further received symbol processor means adapt the probability signals. Such a system needs a giant memory capacity, which can be reduced by combining probability signals into a first combination signal to be stored in the first memory field and by combining further probability signals into a second combination signal to be stored in the second memory field, and by converting a third combination signal into at least one probability signal just before (de)coding takes place.
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