RE: Re: New DVR drops jaws in London

["Hawes,Timothy Edward \(GEG\)" <haweste@xxxxxxxxxxxxxxx>]

There was a US project for a 6-tuner PVR, posted to the list previously
by Andrew Cooke.
See http://www.snapstream.com/Community/Articles/medusa/default.asp
for
further info, although this one didn't have the TB storage capacity IIRC
. . .

Tim.

> -----Original Message-----
> From: jonsemailstuff
>
> In the UK there are 6 digital MUXes. The bitrates for each of
> these are:
>
> Mux1, MuxB, MuxC, MuxD = 8k, 16QAM, 3/4, approx 18Mbps Mux2,
> Mux A = 8k, 64QAM 2/3, approx 24Mbps
>
> Therefore you would need:
>
> For Mux1, Mux B, Mux C and Mux D: 12GByte / day
> (18*8*60*60*24) For Mux2, Mux A:  16.5GByte / day (24*8*60*60*24)
>
> So for a Month (30 days) you would need 2.43TByte (12*30*4+16.5*30*2)
>
> Not really all that rediculous really.
>
> This assumes that all Muxes are full (which they aren't in the UK).
> You could probably apply a certain amount of compression,
> although MPEG data doesn't tend to compress too well, for
> obvious reasons.
>
> You'd only need 1 DTT card to record each MUX.
>
> Hope this makes sense! Appologies if I've dropped a decimal
> point somewhere .....
>
> Jon