Digital signal processing system and method for a telephony interface apparatus
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United States of America Patent
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Issued Date -
Jan 27, 2005
app pub date -
Aug 25, 2004
filing date -
Jun 29, 2001
priority date (Note) -
Abandoned
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Abstract
A signal processing method including the steps of: receiving a first audio signal; detecting the presence of one or more shrieks within an audible frequency range of said audio signal; creating one or more filters to selectively attenuate the respective one or more shrieks within the audible frequency range; filtering the audio signal using the one or more filters; and transmitting the filtered audio signal to an audio telephone device.
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