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NTSC ISO Corrupt but DVD okay.

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Tim Bond
NTSC ISO Corrupt but DVD okay.
on Feb 23, 2007 at 10:34:37 pm

Hi all,
I built two versions of a DVD: one in PAL the other NTSC (converted PAL avi's with ProCoder) built them both as ISO's to go to a replication house and they could burn the PAL version with no trouble but got an 'unknown file format' error with the NTSC version. I tried my ISO with Nero image drive and got the same error but when i burnt straight to DVD out of Encore it worked perfectly fine on the PC and the set top. Any thoughts as to why?
Tim


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KirAsh4
Re: NTSC ISO Corrupt but DVD okay.
on Feb 25, 2007 at 6:55:18 pm

It's entirely possible that you got a bad burn on the ISO. I would try to recreate it again.


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Neil Wilkes
Re: NTSC ISO Corrupt but DVD okay.
on Feb 26, 2007 at 2:58:42 pm

It's also quite possible all your menu sizes are screwed.
PAL = 720x576 and NTSC = 720x480.
They also use a different Pixel Aspect Ratio:
NTSC = 0.9, PAL = 1.0166.

Additionally, I would not trust Nero as far as I could throw the installer disc.
It's only any use for burning DVD from images, and should never be used to create the disc from a folder. It's asking for trouble!



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Jeff Bellune
Re: NTSC ISO Corrupt but DVD okay.
on Feb 26, 2007 at 3:22:55 pm

And Neil usually takes care of this, but since he didn't, I will. :-)

To burn an image quickly and properly, use the freeware program ImgBurn.

-Jeff

The Focal Easy Guide to Adobe Encore DVD 2.0


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Tim Bond
Re: NTSC ISO Corrupt but DVD okay.
on Mar 2, 2007 at 8:20:25 pm

Hi all,
thanks for the thoughts - only just had a chance to log on again. I burnt the ISO's straight out of Encore - just used Nero to try and read them. I did the NTSC build from scratch as an NTSC project so all aspect ratios / pixel size etc should be okay. I sent the rep house the straight DVD and that seems fine. Just an odd occurence and hopefully a one off.
Thanks again,
Tim B


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