[mythtv-users] Hauppauge PVR Questions

[Gavin Haslett]

I have to say that I use a PVR250 and an nVidia card as well (GeForceMX440). I would agree that playing with the interlace settings can get rid of a lot of the "fast moving quality" problems. And yes, I do see them occasionally, especially if I turn deinterlace off entirely.
 
Generally the problem with fast moving usually ends up with a "tearing" effect, or a jerkiness especially in full-screen pans. Using both XvMC and kernel deinterlace yields (imnsho) a picture that's almost indistinguishable from my satellite box hooked directly to the TV... that is if you can ignore the occasional obvious compression artifact (like when the video changes suddenly seeing a frame or more of what looks like "low-res" video). My wife and kids don't notice it, though... I only notice it because I'm a perfectionist.
 
The only problem with this setup is, of course the flickering OSD. Still, we just live with that for now.
 
I have noticed that the video looks a little better in terms of fast movement when transcoded to MPEG4... but I don't like the amount of color bleed that MPEG4 allows which MPEG2 doesn't. Might be fixed with a few fiddles with the transcode settings, but I've not dedicated a whole hell of a lot of time to that yet.

	-----Original Message----- 
	From: mythtv-users-bounces at mythtv.org on behalf of David Watkins 
	Sent: Thu 1/12/2006 3:29 AM 
	To: johnbiundo at sbcglobal.net; Discussion about mythtv 
	Cc: 
	Subject: Re: [mythtv-users] Hauppauge PVR Questions
	
	

	> - Out of the box, the picture quality from my PVR-150 system doesn't
	> equal broadcast quality (of my SD analog cable system) for "fast moving"
	> TV, most notably sports.  Emphasis on "out of the box", since I've done
	> almost nothing to try to improve the quality.
	
	Could this be due to your output method, rather than the capture?
	I've noticed it too since I stopped using my PVR350 for output and
	started using an nVidia card.  Changing the de-interlace algorithm
	improved things to the point where I hardly notice it now, but it's
	still there.
	_______________________________________________
	mythtv-users mailing list
	mythtv-users at mythtv.org
	http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
	

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/ms-tnef
Size: 5538 bytes
Desc: not available
Url : http://mythtv.org/pipermail/mythtv-users/attachments/20060112/c625f81e/attachment.bin