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Posted by Rick Merrill on 11/17/05 23:15
Serial # 19781010 wrote:
> Ripped a film using my usual process:
> DVDshrink using deep analysis and AEC (smooth) and burned with Nero.
> The compression was in the low 60 percent.
>
> Played disk on computer using PowerDVD 5. Motion was very rough,
> jerky, and unnatural. Looked like it was dropping frames.
>
> Took the same disk and played it on my Pioneer stand alone player and
> recorder, two different machines, and motion was nice and fluid and
> natural - no problems.
>
> Anyway took the burned disk and made an image file of it (nrg) and
> mounted it on a virtual Deamon Drive and then played it through
> PowerDVD. Same poor motion. My conclusion is that it is not a hardware
> problem.
>
> Do I need to update some code in windows or perhaps PowerDVD to clear
> up this problem?
>
> After almost 400 burns this is the first time I noticed this
> difference between playing on computer and on the stand alones and I
> would like to be able to depend on the computer playback to give my an
> accurate idea of how good my burns turn out.
>
> What do you think is the problem?
The PC uses software to decode the MPEG2 on the DVD; the Pioneer is
hardware and uses a hardware decoder. The two use slightly different
renditions of MPEG. I've seen really strange differences, but you
don't usually see them the first viewing!
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