Device and method for processing signals associated with sound
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United States of America Patent
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Mar 8, 2016
Grant Date -
Sep 18, 2014
app pub date -
Mar 14, 2014
filing date -
Mar 14, 2013
priority date (Note) -
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Abstract
A method and device may color or modify the tone or sound quality of audio input signals. A processor such as a DSP, may apply two or more filters to the audio input signal, each filter comprising a set of filter coefficients. The processor may combine finite impulse response (FIR) filters of the two or more filters into a power-saving filter. A speaker or sound emitter may emitting an output audio signal from the filtered audio input signal. The output audio signal has a different tone quality than that of the input audio signal.
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