{HEAD ~ Z transform calculations} may be used to encode carrier signal independent data to {TAIL ~ a digital sample stream} 
{ HEAD ~ Z transform calculations } may be used to encode carrier signal independent data to { TAIL ~ a digital sample stream }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL