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