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Old Jun 15, 2006, 3:45 AM   #1
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Hi everyone

When I went on a trip to Malawi, I was forced to leave some of my best pictures in Malawi on a notebook. The person who owned the notebook was going to burn the photos onto a DVD(twice as a backup) and send them to me. Sounds good so far, right?

Anyway, the DVDs arrived, and I excitedly put them into my PC. To my horror, my PC registered the DVDs as having no data on them. I took them out and saw that information had been written on them, so I made a long distance call to Malawi to find out that the person had used Roxios UDF packet writing software to burn the DVDs(only he knows why).

After searching the net, I found software which enabled me to read UDF disks. I installed the software to find that I now could read the dvd, but it only found one 4gig file - track1.cda. Try as a might, I cannot do anything with this track.

Any ideas how to recover this data would be greatly appreciated as my Malawian correspondant has deleted the photos off his computer. Besides there being some really interesting and unique photos on the disk, the photos were also taken just after I proposed to my fiance, so they have important memories.

Please help fellow Canon users.
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Old Jun 15, 2006, 8:55 AM   #2
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You're probably in trouble.

cda is an audio-file format, so your acquaintance (I doubt he's a friend anymore) has burned the file in the wrong format - expecting it to be played on a music CD player.

I did find a thread saying that Picasa can screw up XP's ability to natively read files written with the XP CD-writer software built into Windows.

So if you have Picasa installed then un-install it and try to read the CD in windows explorer.

No other ideas I'm afraid.
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Old Jun 15, 2006, 9:08 AM   #3
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That's exactly what I suspected.

Unfortunately I don't have Picassa installed, so that won't do the trick, but thanks for the attempt.

Cheers


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Old Jun 15, 2006, 12:24 PM   #4
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Well, for starters you could try one of the many data recovery companies available. These people specialise in what you've just described. However, usually these means are not cheap. Can't say how much it would cost simply because I've been fortunate enough not to have to use them(knock on wood). But if the images have as much sentimental value to them as you've described, then cost would not be an issue.

Sorry I can't be much more help.

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Old Jun 16, 2006, 1:10 AM   #5
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I think I would do the following:

1. Take a couple oftest photos

2. Burn the photos in a DVD with "Roxios UDF packet writing software" as "track1.cda" just as your friend did

3.Open one of the photos in notepad

4. Open the "track1.cda" file in notepad

5. Look at the characters of the photo on notepad and try to catch the same series of the characters in track1.cda on notepad

That will help you to see if the data of your photos are kept without any corruption in that strange file. If yes, there should be a way to extract them (I hope).
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Old Jun 16, 2006, 1:43 AM   #6
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Good point - it may well be worth purchasing a copy of Roxio.

It's pretty good burning software and if that can't read the file then nothing will be able to.


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Old Jun 16, 2006, 2:31 AM   #7
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If all else fails, take the DVD to a data recovery company as suggested above. They should be able to recover the photos. It's just a matter of whether it's worth it to you.
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Old Jun 16, 2006, 2:17 PM   #8
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You can also try a program called Isobuster. It is freeware (with some extra features if you register) and can recover data from damaged CDs/DVDs. It's worth a shot, IMO.
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Old Jun 16, 2006, 8:34 PM   #9
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I've never used ISOBuster for that, but it is very nice software.
It can look at the format of disks and tell you things that you can't find in other ways (like the format it was burnt with.)

Eric
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Old Jun 19, 2006, 1:41 AM   #10
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Thanks for all the tips everyone.

I have tried ISOBuster, it was actually the only program that displayed anything at all - the track1.cda. It unfortunately was still not able to do anything with the data - although I may not be using it properly.

The data recovery company sounds like a good idea, except its safe to say,there is no company like that within a 400km radius from where I live. Maybe I'll check out one of SA's bigger cities and see if one exists.

I think I'll try the notepad idea for now, thanks for the tip. If the data has not been corrupted, then I'll buy the full Roxio suit.

Thanks again everyone.
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