Method and apparatus for erasing acoustic echo
2000
An acoustic echo erasing apparatus which generates a pseudo-echo component from an audio reception signal (a vector x1) using an adaptive filter, and removes the pseudo-echo component from an audio transmission signal (a vector y). The apparatus extracts a feedback component depending only on the audio reception signal from the audio transmission signal, and passes the audio reception signal through the adaptive filter to generate the pseudo-echo component while setting a transfer characteristic of the adaptive filter in accordance with the feedback component.
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