Digital signal processing device and audio apparatus using the same
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United States of America Patent
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Oct 19, 1993
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N/A
app pub date -
May 5, 1992
filing date -
Apr 2, 1990
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Abstract
A digital signal processing device for outputting a holding data in an output register from a DSP in synchronism with a second clock pulse having a frequency lower than that of a first clock pulse for conducting arithmetic processing in the DSP. Accordingly, data to be output from the DSP can be directly read by a microcomputer, and contents in a coefficient memory and a delay time memory, for example, can be updated in accordance with the read data. Further, the digital signal processing device can be applied to an audio apparatus such as a loudness controller and a spectrum indicating apparatus.
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