{HEAD ~ Methods}, systems, and computer program products for securely transforming {TAIL ~ an audio stream} to encoded text 
for securely transforming
{ HEAD ~ Methods } , systems , and computer program products for securely transforming { TAIL ~ an audio stream } to encoded text
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH