[opendtv] Re: Public M/H information

Tom Barry wrote:

> If you are just used to analog TV that wouldn't be true. But
> after seeing blu ray or quality HD a bit then even a properly
> upscaled DVD is not quite good enough when sitting close to a
> 1080p large screen. This also makes me wonder about the utility
> of back seat auto displays since I guess people sit pretty
> close to them (I've never had one). But if it's just kids in
> the back seat maybe they are fairly forgiving about video
> quality.
>
> Upscaling 240p on a large HD display will look horrid. Though I
> suppose it might still be a useful fall-back if reception
> conditions did not permit the HD channel.

I watch RAI and TF1 news at ~300-400 Kb/s, full screen, sitting up to a
PC, and it's soft but not so bad. TF1 uses WMP, RAI uses Flash, the
quality is similar. I figure, sitting a few screen heights away from an
HDTV should not be any worse. The episodes on www.abc.com look much
better by comparison. I don't know the bit rate, though.

If M/H is anything like A-VSB, in the most robust mode, the C/N margin
has to be ~4 dB, with a single receive antenna. That would be great for
degraded conditions or for DXing stations from far away.

Bert
 
 
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