Reply to post: Re: The BBC had their chance ...

UK culture sec hints at replacing TV licence fee, defends encryption ban proposals and her boss in Hacker House inquiry

Martin an gof Silver badge

Re: The BBC had their chance ...

My memory is dim, but my recollection is that this was the initial thought, but experience showed far less interference than feared so powers could be increased (if not to final levels) without penalty. I did miss a step though - robustness of the signal was instantly helped by moving from the original 64QAM to 16QAM (and a different FEC ratio?) but this reduced the payload - the amount of data that could be transmitted. At the time this wasn't a problem as many of the previously subscription channels did not want to go free to air.

Once transmitter powers were upped and the move to 8k carriers was complete, moving back to 64QAM restored the original capacities.

That's leaving DVB-T2 aside, of course :-)

M.

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