Posted by norm on 04/06/06 02:44

that is a feature of MPEG2. Lower bit rates will cause that in the
foreground movement.

"Mike Coddington" <mrmofo@gmail.com> wrote in message
news:2006040510211416807-mrmofo@gmailcom...
> 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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