[mythtvnz] Help spending my brothers $5K on MythTV

[David Zanetti]

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On Thu, 2006-02-23 at 17:37 +1300, Steven Ellis wrote:
> Steve Hodge wrote:
> > Anyone know how the TVNZ DVB-T stream compares to TVNZ DVB-S stream?
> > Is it the exact same stream?
>
> Ask on nz.tech on usenet for more details. Hope it isn't as they need to
> fix up the rate limiting. Watched the grammys off DVB-T and the rate
> limiting when the strobe lights were flashing was dreadful. They appear
> to cap it quite early and not allow any peaks in the bit rate.

I've heard different things about where it's being encoded vs the DVB-S
stream. There's no reason I know of for the MPEG-2 stage to be any
different to DVB-S, but they _are_ being uplinked from different places
(Avalon for DVB-S, and obviously Auckland for the DVB-T in Akl).

I haven't noticed any DVB-S problems, inspecting a stream that should be
expected to have high bitrates (eg, sport like F1) it peaked at upwards
of 7, and didn't exhibit much macroblocking I could see. I didn't watch
the grammys, so I can't compare it.

For some reason, however, I get a decent amount of tearing on TVNZ WIDE,
but I assume that's testing problems. Or problems in my PVR somewhere :)

You can assume they'll be testing DVB-T for at least 9-12 months before
any specific committment to the platform.

--=20
David Zanetti <david.zanetti@catalyst.net.nz>
Team Leader, Systems Administration
Catalyst IT Limited
+64-4-8032233 +64-21-402260

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