[mythtv-users] Hauppage 350 .nuv to mpeg-2

Craig H Fry craigfry at mailsnare.net
Mon Feb 28 16:07:38 UTC 2005


>-----Original Message-----
>From: Dybdahl, Niels [mailto:NDY at esko-graphics.com]
>Sent: Monday, February 28, 2005 07:42 AM
>To: craigfry at mailsnare.net, 'Discussion about mythtv'
>Subject: RE: [mythtv-users] Hauppage 350 .nuv to mpeg-2
>
>>>>  The fact that you are supposed to install a special codex to play
>>>> them back on a Windows system tells me they aren't true mpeg2.
>>>
>>> You need an MPEG2 codec.  Nothing more.
>>  Then what's this? http://dsmyth.sourceforge.net/
>
>MPEG2s from a Hauppauge PVR-x50 is stored as ordinary MPEG2 file, even
>though the extension is .nuv
>Shows that have been compressed by software are stored in a different
>format, even though the compression is MPEG2 or MPEG4. To read the
>format and extract the MPEG2/4 stream, you need the dsmyth filter
>
>
>>>> No, I'm saying playing a .nuv file back through the mpeg codex
>>>> results in color correction problems and pixelation.
>>>
>>> Compared to what?   You're going to need to provide more information.
>>
>>  Compared to the original, what else?  Plays back fine in Mythtv as a 
>>.nuv.  Change the extension and try to play back through the mpg-2
>codec 
>>and it looks like crap.  I don't know what more information I can give 
>>unless you want to come over and look at it yourself.
>
>There are different MPEG2 codecs for Windows. F.ex the one that come
>with Nero Reloaded do a better job but require 3 times more CPU time
>than others that I am using. So maybe you should be more explicit on
>which codec you are using.
>
>Niels Dybdahl
>

Just the stock codecs.  My goal was to copy the .nuv's, rename to mpeg and then encode into dvd format but the quality of the mpg's is terrible.  Maybe the stock codecs are what my problem is.  I'll investigate that further.




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