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.

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  • 1 decade ago
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    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.....
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