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An attempt is made to enhance speech degraded by added noise by exploiting the periodic nature of voiced speech. A modification of the adaptive comb filter is employed for this purpose. Problems which may arise when using the periodicity of the speech for enhancement include significant distortion caused by comb filtering a time-varying waveform (called temporal smearing) as well as the variation...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.