Labeling DVD's and Testing DVD Integrity

I have a bunch of home movies I’ve just moved to DVD.  I played portions of all of them and all seem to play fine.  I put labels on about half of them and have not had any problems that I know of.

I placed a label on one and then it had trouble playing on my computer DVD player.  (Dell’s Power DVD player; MicroSoft Media Player did an even worse job of playing it). I tried several other DVD’s with labels and they still seemed to play fine.  (I didn’t check all of each one, but did a quick spot check.)

Interestingly enough, this funky one does play fine on my dedicated DVD player on top of my TV; at least, it doesn’t jam in the same spot when played on my PC.  It seems good.


My PC: Dell XPS, XP Pro, 1GB Memory, plenty of storage.


1.      Why would this happen?  Would putting a label on a DVD+R damage it?

2.      Should I not put labels on DVD’s?  Is this a bad idea?

3.      Is there a way (piece of s/w?)  to check/verify the integrity of a DVD in a quick, automatic fashion that would reliably indicate that it will play okay?  I’ve got a piece of freeware called  CDCheck (http://www.elpros.si/CDCheck/) but it was unuseful.

4.      BTW: Is there quick way (piece of s/w) to measure the length of the video on a DVD?

Thanks.


WSCAsked:
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weedCommented:
My guess is the label applier did it. Could be bad media too. Theyre not all perfect.

You cant do an integrity check unless you have the original data to check it against.
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weedCommented:
It SHOULDNT damage it but i suppose it could unbalance the disc and cause it to wobble. I'd look for some other explanation though. Perhaps a scratch?
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WSCAuthor Commented:
Not sure how to tell.  I'm not sure I ever even played this DVD before. (It was a copy of DVD home movies I made for a Christmas present.) If played, it was only played once.  But, like CD's, I handle them with great care but these 'scratches' or whatever seem to appear by (black) magic.  

There are some marks on the bottom, but I don't know where they came from.  I do use a plastic disc to turn and press on the bottom of the disc as I apply the label to the top.  Would this action scratch a DVD?  I do this to apply labels to music/data CD's and haven't had any problems that I'm aware of.

So, there's no evidence/indication that putting a label on a DVD affects the data in some way (glue soaking thru to the other side?).  I don't mean to sound way out, but I want to make sure I don't lose all of this hard work to something stupid.

Thanks.

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weedCommented:
It could scratch the DVD if there was any dust or grit oon the plastic disc.
No evidence ive ever heard of to indicate that labels cause damage.
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WSCAuthor Commented:
That's good to hear.  I'd like to label them.  Now, is there any s/w to (reasonably) quickly check the integrity of a CD/DVD and even offer repair options?  As I mentioned above, the DVD in question plays poorly on my PC and okay on my DVD player.  BTW, why would that be?

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weedCommented:
Not sure why that would be. Usually it either does play, or doesnt at all. Sometimes different media works better. Usually the burning software does an integrity check after the burn. That wouldnt check for scratches after the burn though.
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WSCAuthor Commented:
Is it possible to get scratches from a burn process?  If not, I guess what I'm left with is the label applier did it.  

Any integrity check s/w suggestions?

Thanks.
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WSCAuthor Commented:
There isn't software to examine the disk for defects, lost data, etc?
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weedCommented:
How does it know what is a defect or has been lost if it doesnt have anything to compare it to?
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WSCAuthor Commented:
It just won't play;  there ought to be a s/w way to establish that faster than playing the entire thing.  


As I noted above, I found s/w called "CDCheck" but it seems to take too long to run or it's really for CD's, not DVD's. (See http://www.elpros.si/CDCheck/).

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