Cable TV formats?
I want to know what is the format that tv recieves from cable.
I mean to say that in which format cable signal comes(which is then decoded by our tv sets).like in our computers we have formats like mpg,avi,dat etc . Similarly, what format does cables sends to the tv.
- reggiemanLv 61 decade agoFavorite Answer
Cable TRANSMITS QAM....Quadrature Amplitude Modulation......That's the HD signals.
All other channels are NTSC.
Pay TV/HBO etc....they USE OOB (out of Band) transmission.
You'll never find those......Source(s): 24 years servicing TV sets.....