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Posted by D on 07/15/07 22:13
On Jul 15, 4:15 pm, "Neil Smith [MVP Digital Media]" <n...@nospam.com>
wrote:
> On Sat, 14 Jul 2007 14:04:25 -0700, D <t...@bk.ru> wrote:
> >> >>> > I downloaded "Magic of Flight.mpg". MS Windows XP SP2 Media Player
> >> >>> > writes that it does not have a codec to playback the file. GSpot does
> >> >>> > not show the codec too.
> >> MPG file extensions may contain either of MPEG1 or MPEG2 video
> >I made a DVD-Video from the file using the Nero 7 Vision 4, but the
> >DVD-video drops a frame every 2 seconds. How to prevent the frame
> >drop?
>
> What are you using to determine frame loss ? Is this visual
> estimation, or using some tool which counts how many frames per
> second? It could just be you're having playback problems - try the
> disk in a standalone DVD player instead of on the PC to see what
> effect is apparent there.
>
> >The Nero 7 Vision 4 suggested to use PAL for the DVD-Video at first
> >because I made the DVD-Video for Europe, but then suggested to use
> >NTSC because the Vision 4 reckoned that the source video was NTSC. I
>
> I'm not fully clear what you've done here from your explanation. If
> you created NTSC source content then moved to PAL, you have gone from
> 30fps to 25fps, which means every 6th frame (I think) should have been
> dropped.
>
> >was not sure if Europe TVsets and dvd players could play NTSC
> >correctly and kept PAL.
>
> I can't speak for everybody, but my toshiba DVD player can play NTSC
> OK, however the SCART output signal isn't compatible with my old
> ex-rental TV, so I get B&W video with striping / herringbone pattern
> instead. The picture is visible, but just not useable on that setup.
>
> >WinDVD 7 plays the initial file without the pink stripe.
> >The latest video card driver is installed.
>
> Which pink stripe do you mean?
> You haven't mentioned that before...
>
> Cheers - Neil
> ------------------------------------------------
> Digital Media MVP : 2004-2007http://mvp.support.microsoft.com/mvpfaqs
Thanks Neil for your explanations!
VLC player plays the initial file with a vertical pink stripe on a
right part of the video.
The frame loss is a visual estimation in every software player. NTSC
version of the same DVD does not drop frames.
The Vision 4 reckoned that the source video is NTSC. I tried to burn
PAL DVD from it in the Vision 4, but the resulted PAL DVD droped
frames. The Vision 4 should not drop frames during the convertion. Did
Vision drop frames because I changed the default "Automatic" (the same
as original, probably, interlaced) vertical scan to "Progressive"?
Why does the resulted DVDs have the block compression artifacts even
if I selected best quality settings ("High quality" and 2-pass
conversion) in the Vision?
Cheers - Dima
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