[mythtv-users] Re: Mythtv playback quality poll
Garry
garry at sneakyninja.net
Fri Jun 18 12:34:39 EDT 2004
Chris Vargas wrote:
>--- garry at sneakyninja wrote:
>
>
>>>Is someoune achieving a mythtv playback
>>>substantially not distinguishable
>>>
>>>
>>>from standard tv broadcast with hardware
>>
>>
>>>similar to mine?
>>>
>>>
>>I run a pvr-250 with the same settings as yours,
>>although on a Pundit running both back and
>>frontend. I am having the same issues, with live
>>TV not being as fluid as 'normal' TV.
>>
>>
>
>One thing to keep in mind is the issue of interlacing.
>'Normal' TV is interlaced, and the MPEG2 recordings
>that the PVR-250/350 makes are interlaced.
>
>Unfortunately, many (most?) video cards' TV outs do
>not preserve or pass-through the interlacing... that,
>and/or the drivers that are currently available don't
>preserve the interlacing. (I believe that the nVidia
>drivers for Linux don't currently support it, for
>instance.)
>
>Unless the interlacing is preserved, things like
>sports and live video will not look 'normal.'
>
>Deinterlacing is fine for computer monitor playback
>and for progressive-scan TVs, but for everything else,
>it will affect the overall look and make everything
>seem film-like (even if it's supposed to be live video).
>
>
>
>
Ahhh, that makes sense, thanks.
Question is, what can I do about it?
As it happens, I'll soon be replacing my TV, so I guess progressive-scan
is a feature I should look for.
I guess a pvr-350 would be another solution?
Garry
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