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Posted by Mike Coddington on 04/05/06 14:21
On 2006-04-01 18:29:21 -0500, DeepOne@ix.netcom.com said:
> Mike Coddington <mrmofo@gmail.com> wrote:
>
>> I've been noticing something that I never put much thought into before
>> when I watch DVDs. Lately, I've noticed that in movies when there's a
>> pan shot of a horizon, or really any sustained camera movement, the
>> scene sort of skips. It's not smooth like it would be if you watched
>> the same movie in the theater on actual film. My guess is that it has
>> something to do with DVDs being a digital medium.
>
> Are these commercial DVDs? Or are they "burned" DVDs?
>
> That could be the result of an incorrect field-order setting during
> the MPEG encoding process. I have also seen that effect when watching
> a PAL DVD with my NTSC DVD player and NTSC TV (the DVD player does
> some sort of on-the-fly conversion with that as a side effect). And I
> have seen that effect after simply re-encoding a PAL video into NTSC
> format with TMPGEnc.
>
> If this is happening with commercial DVDs that are in your native
> format, I wonder if it could be related to something being set for
> progressive scan when it should be set for interlaced (or vice versa;
> I don't know a lot about that subject).
I don't remember if it happens with burned or commercial DVDs. I think
it happens with commercial ones, mainly because I only have like three
burned DVDs and I seem to remember it happening a lot. One of these
days I'm going to have to sit down and try to pinpoint a scene that it
happens with and then try it on some other DVD players. Costco's
selling a Toshiba progressive scan DVD player for $50, so I won't feel
so bad about maybe replacing my Panasonic if I find that it's causing
the problem. Although I really like that DVD player. It's the only
player I've used that has an almost unnoticeable layer change delay.
And the tray's mechanism feels really sturdy. I'll try and remember to
keep the thread updated if I find out more.
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