The filter performs spectral subtraction on the frames using {TAIL ~ the determined power spectral densities} associated with the mixed signals of {HEAD ~ the frames} to reduce noise associated with the audio signal 
The filter performs spectral subtraction on the frames using { TAIL ~ the determined power spectral densities } associated with the mixed signals of { HEAD ~ the frames } to reduce noise associated with the audio signal
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH