{HEAD ~ The audio data stream} containing {TAIL ~ error codes} can be saved or bufferred in the decoder 
containing
{ HEAD ~ The audio data stream } containing { TAIL ~ error codes } can be saved or bufferred in the decoder
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH