At least the decoded audio signal is analyzed to detect whether the decoded audio frame includes {HEAD ~ a distortion} that will be audible during {TAIL ~ playback} thereof, the distortion being due to bit errors in the encoded bit stream 
audible during
At least the decoded audio signal is analyzed to detect whether the decoded audio frame includes { HEAD ~ a distortion } that will be audible during { TAIL ~ playback } thereof , the distortion being due to bit errors in the encoded bit stream
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH