reply to sm5w2
Re: Shopping channel (Rogers Cable) has FM radio audio DTA = Digital Terminal Adaptor (Digital TV Adaptor) ... simplest ones like Rogers uses ... Digital in, Analogue out. Only pre-programmed fixed channels (by Rogers)
STB = Set Top Box (Standard Digital TV box) ... Digital in, Digital/Analogue/Component/Composite out depending on the box. Digital Most digital services including Switched Digital Video channels and Interactive services.
PVR = Personal Video Recorder ... the STB + recording facilities