The video information is extracted from the IF signal using a video discriminator, while {HEAD ~ the audio and data information} is extracted from {TAIL ~ the IF signal} using an audio detector through the video discriminator FM subcarrier 
is extracted from
The video information is extracted from the IF signal using a video discriminator , while { HEAD ~ the audio and data information } is extracted from { TAIL ~ the IF signal } using an audio detector through the video discriminator FM subcarrier
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH