Arithmetic unit
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United States of America Patent
Stats
-
Jul 27, 1999
Grant Date -
N/A
app pub date -
Dec 19, 1996
filing date -
Dec 20, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An arithmetic unit performs a demodulating operation for a received signal, a synchronizing operation based on a demodulated signal, a voice decoding operation for the demodulated signal, a voice encoding operation for a voice, and a modulating operation for a coded voice by a pipeline processing method. The arithmetic unit has an arithmetic portion for alternately performing a desired one of the demodulating operation, the modulating operation and the synchronizing operation and a desired one of the voice decoding operation and the voice encoding operation. The arithmetic unit further has a first storage portion for storing a result of the desired one of the demodulating operation, the modulating operation and the synchronizing operation performed by the arithmetic portion; and a second storage portion for storing a result of the desired one of the voice decoding operation and the voice encoding operation performed by the arithmetic portion.
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