Loop current monitor circuitry and method for a communication system
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United States of America Patent
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Oct 25, 2005
Issued Date -
N/A
app pub date -
Jun 30, 2003
filing date -
Apr 22, 1997
priority date (Note) -
Expired
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Abstract
An audio signal processor which modifies audio signal components outside the conventional audio frequency band. The processor includes a Delta Sigma Modulator (DSM) that receives a non-interpolated digital audio signal sampled at a frequency of at least 198 kHz.
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