Signal processing device, non-transitory computer-readable storage medium, signal processing method, and telephone apparatus
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United States of America Patent
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Jun 11, 2019
Grant Date -
Mar 15, 2018
app pub date -
Jun 8, 2017
filing date -
Sep 15, 2016
priority date (Note) -
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Abstract
The signal processing device comprises the adaptive gain calculation unit configured to calculate and output the adaptive gain for processing the voice reception output signal, by utilizing at least the voice transmission input signal and the relative volume value indicating the predetermined relative sound volume ratio between the voice transmission input signal and the voice reception output signal; and the multiplication unit configured to calculate the voice reception output signal by multiplying the signal based on the voice reception input signal by the value based on the adaptive gain.
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