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