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Dvd defected

Forums - Discs & Movies - Dvd defected 

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One of the discs on my Buffy season 2 set was faulty, I could see on the surface that something went wrong in the production or something (don't know the technical term). I've seen this problem on a lot of Fox's season set DVDs for some reason.
Tommy wrote: Trap Door wrote: I've had DVDs which were scratched to bits and they do still play fine with no problems. Then I've had perfectly unscratched ones which didn't work. So the rule of thumb is to check by putting it into the player.

and play the whole thing right?


That's kind of a loaded question.  The scratches could effect something that you are never going to know, like Dolby 2.0 soundtrack or commentary or subtitles, etc.  Playing the whole DVD is a time consuming process if you want to go through every permutation of how a DVD can be played.

However, on the technical side, the algorithm for forward error correction on DVDs is much better than the one used for CDs.  This means that a scratch can actually obfuscate the data, but the data can be reconstruct within the player from the data that is available.
I don't think there is any way you could tell if it will work or not than without having to play the DVD.
Trap Door wrote: I've had DVDs which were scratched to bits and they do still play fine with no problems. Then I've had perfectly unscratched ones which didn't work. So the rule of thumb is to check by putting it into the player.

and play the whole thing right?
I've had DVDs which were scratched to bits and they do still play fine with no problems. Then I've had perfectly unscratched ones which didn't work. So the rule of thumb is to check by putting it into the player.
I bought The Adventures Of Superman - Season 1 and one disc was missing.  I called Warner Brothers and they asked me where I purchased it. I told them Best Buy and they told me I had to take it back to them.
I could understand that, that's why I always check even at Christmas time, because I had The Car DVD a few christmas' back, only to find that there was disc, so from that lesson every Birthday and Christmas or whatever special occasion we always check inside the case, even if it's sealed up.
floyd dylan wrote: I mean if in six or 12 months time you come across a faulty DVD, you just send the studio an e-mail explaining that you have come across a faulty disc and they'll ask you to send that faulty disc back to them (not the entire box set, just the single disc) and they will replace it for you.

They may or may not.  It depends on the studio and your persistence level.  I bought the French Connection box set when it was first released.  I openned it a couple of years later and noticed there was no disc 1 in the set.  It took several emails to Fox to convince them I wasn't just trying to scam them out of a free disc.
Okay thanks floyd dylan.
I mean if in six or 12 months time you come across a faulty DVD, you just send the studio an e-mail explaining that you have come across a faulty disc and they'll ask you to send that faulty disc back to them (not the entire box set, just the single disc) and they will replace it for you.
Dammit! Who stole my tiny, thumb and forefinger violin?!?!
O?
I think Floyd is refering to the studio that produced the disc
Okay so that means when I get a show on dvd I have to play all the discs watch them all and see if any is not broken b/c I can only exchange dvds from the store within 30 days ...
If one of the discs is faulty, just send an e-mail, telling them the problem and they'll give you an address to return the faulty disc and then they'll replace the DVD for you.
Mal
DVD players load data in short bursts to fill an equally small amount of memory (you can tell by watching the activity light on a DVD drive). The last half of a movie could be corrupt but the player wouldn't notice until just before it reached it.
Okay thanks for all your replys but what I'm also asken is if you play the disc do you have to play the whole movie to see if it stops or skips or can you put the disc in and it just shows the Play, Special Features,a nd other thigns?
Adrian wrote: Slave2Horror wrote: if there is physical damage on the disc then it is your own fault and it means you should take care of your discs!!

I hope that is sarcasm because it isn't even close to being a truthful statement.  I can't tell you how many scratched discs I have straight out of the packaging.
Especially when you buy season disks and they fall out of the packaging like the South Park seasons are like and they get all scratched.
Slave2Horror wrote: if there is physical damage on the disc then it is your own fault and it means you should take care of your discs!!

I hope that is sarcasm because it isn't even close to being a truthful statement.  I can't tell you how many scratched discs I have straight out of the packaging.
if there is physical damage on the disc then it is your own fault and it means you should take care of your discs!!
Mal
There's no way of telling unless you see serious physical damage on the surface. Anything could go wrong from batch related authoring errors, to minor mistake during duplication, to the materials disintegrating over time.

Only way you could do it automatically is if someone created an internet service that stored a unique hash (special short code) for every DVD in the world, and then provided software to compare the hash they have on their website to the version you have in your computer's DVD drive. Such a service doesn't exist as far as I know.
There are any number of reasons that a disc may be defective from anything other than visible, physical damage to the disc. You just have to try each disc to find out if you got a lemon.
49 views and not 1 post this is my second viewen ...
Dvd defected
How do you know a dvd would not work without having to play it ... does it have to be scratched or could it look normal and not work cuz when I buy seasons I have to play all the discs to see if it works so I want to know if there is an easier way.