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Wondering what the problem could be?
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ixion
Newbie
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1. July 2004 @ 12:10 _ Link to this message    Send private message to this user   
Hi,

I could go into detail, but I wont bore you. Basically I work in an IT department and have received an ISO image created by an IT guy in the states of a DVD that was created by a publishing company for one of our subcontractors. We no longer have the oringinal DVD, but only this ISO image that was created, he went into some detail about using DVD shrink to shrink the DVD down to 2GB's for easier downloading across our WAN

I have burnt the ISO image onto a DVD-R disc and it plays back fine on my PC and the laptop that I used for the presentation I needed to get done. I need now however to be able to play back this DVD on a stand-alone DVD player at on off-site presentation, and I have verified that the DVD player we will be using supports DVD-R. Easy I thought, it worked in a PC, so its going to work on a stand-alone DVD player, so I whipped the disc into my DVD player at home, only to receive a disc unknown error. I have verified that my DVD player supports DVD-R (Panasonic HT900) and have tried other stand alone DVD players with the same result. I have tried a Verbatim disc as I suspected that perhaps the quality of my disc was not up to scratch but this also failed.

I have a funny feeling that somewhere along the line this video has been copied, burnt, ISO'd, copied again, then ISO's again etc and I have ended up with something thats not formatted correctly or something. The DVD disc when burnt has an AUDIO_TS folder and VIDEO_TS folder on it, and plays fine on every PC based DVD player I have tried.

Any suggestions on what I could do to fix this DVD? Perhaps I could re-author it? If so, how?

Thanks
Stu
Praetor
Moderator
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1. July 2004 @ 13:13 _ Link to this message    Send private message to this user   
A good point about the media ... some players are just damn picky as to what media they will or will not play. The "simplest" (and least reliable) solution would be to try a whole wide range of media just to be sure ... of course this is quite ineffective. Another possibility you may want to look into is lowering the burn speed: I know my standalone at home gives me problems on certain media if I burn at 4X or faster.

Verbatim make very good media as a general rule so I wouldnt be inclined to suspect that the media quality is suspect :)

As for remaking the video (a) i think DVDShrink has a reauthoring functionality although I myself (for better or worrse) tend to (b) rip the movie out to AVI and then convert back to DVD as needed (there is a quality drop -- obviously but I find that damn near nobody will notice -- even less when played on a TV screen) .... its a little more work than perhaps needs to be done but it's conceptually very straightforward :)

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ixion
Newbie
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2. July 2004 @ 00:26 _ Link to this message    Send private message to this user   
Some more info..

I got one of my home DVD's, used DVD Shrink and DVD Decrypter to compress it down to DVD-R size, I wrote this DVD onto a DVD+RW that I had lieing around and this working fine on my stand-alone. I then wrote one of these problem ISO's to the same DVD+RW and it didn't work. It must be a problem with the files? or the format or something??

I tried loading the ISO files that I have created as a virtual drive, as expected power DVD loaded up and started playing the DVD without any hassles (as I said this problem only occurs on stand alone players) I then loaded up DVD Shrink and told it to "open disc" I pointed to the virtual drive and it immiediately gave me an error saying that one of the VOB files was damaged or currupt. I think I've found the problem?

What would be the quickest way to fix this problem?
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boneman10
Newbie
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5. July 2004 @ 21:38 _ Link to this message    Send private message to this user   
Did you try to re author the original file using shrink? Open your version of shrink Go to file in the drop down. Select open, navigate to your file. Shrink should analyize your file and bring up your video just like a normal back up. Now click re author and on the right side panel you should see all of your chapters. Find out if you can work with out the one file by draging the parts you want back into the left pane. From here allow shrink to re do your show. If this doesn't work there are some utilities for attempting rebuilds on this site. Hope this helps good luck.
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