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how good are dvd's?

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Name: ozyoiy
Date: November 30, 2004 at 16:33:05 Pacific
OS: XPee
CPU/Ram: 2.4, 1gig
Comment:

Hi,
I bought a dvd burner probly about 18 months ago to back up all my old home movies and our new ones,we have 2 young kids so every moment is precious of course.
Anyway now our kids are starting to watch TV we started buying them kids DVD,s(Wiggles,Hi-5,ect,ect)and because of the high usage they get i started to back them up and use the backups for everyday use ect,Now im starting to find that the back-ups are only lasting a few months before they stop working properly,Freezing going all blocky (lego effect) and just generaly acting as though they are scratched.I look at the disk and they look not too bad its only my wife and me that handel them not the kids and we try to be carefull.But my concernes are how long are my home movies going to last on dvd before they deteriorate,Luckily i havent been able to bring myself to whipe the digital tapes from the cam corder yet we have saved all those so far as well but we did have intention of just taping over themafter recording to disc.
Im starting to wonder if i should get a external hard drive instead and put all the home movies onto that instead of dvd, I was under the impression that backup to dvd would last forever compared to on the tape,Now im not so sure,Has anyone else had experience with this problem aswell???
Ive been useing CloneDVD to back up my kids movies and just a program that came with the burner for the home movies,I havent played the home movies again yet to check if they are lasting but i have concernes.I also use DVD-R disc's if that has any bearing.
Thanks.
Oz

"Bite off more than you can chew, And chew like hell!"
Peter Brock.


Yahoo Id. ozyoiy



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Response Number 1
Name: Rick McNabb
Date: November 30, 2004 at 16:44:09 Pacific
Reply:

You can try different brand of DVDs. Verbatim, Imation > stay away from Memorex and Generic brands.


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Response Number 2
Name: ozyoiy
Date: November 30, 2004 at 16:52:08 Pacific
Reply:

Hi,
Ive tried about 3 or 4 different brands of DVD over the last 18 moths or so but all seem to have the same life time,What i was wondering also is their some sort of protective coating that gets put onto stor bought dvd's as opposed to blank dvds,And why do my cd,s seem to last ok and not the dvd's??
Any other ideas??
Oz

"Bite off more than you can chew, And chew like hell!"
Peter Brock.


Yahoo Id. ozyoiy


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Response Number 3
Name: XLWH
Date: November 30, 2004 at 17:13:37 Pacific
Reply:

Hi Oz.


Cds are manufactured differently than DVDs.


Your player may be able to read the CDs easier than the DVDs so any imperfection in the DVDs show up while the CDs keep playing.


It may be your player and not the disks.


Can you test the problem disks by playing them in another player?


Here is a link that shows the difference between CD disks and DVD disks.


http://www.disctronics.co.uk/technology/manuf/rep_intro.htm


Take care,

Linda


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Response Number 4
Name: XLWH
Date: November 30, 2004 at 17:18:04 Pacific
Reply:

Hi again.


Another thought.


Are you burning the disks at the fastest speed your burner can burn?


Sometimes this will cause a problem.


I have read that CD disks burned at a very fast speed sometimes won't play properly and the suggestion is to lower the burner speed. ( Your burner software should have a setting for choice of speeds. )


Maybe the same applies to DVD disks.


Take care,

Linda


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Response Number 5
Name: ham30
Date: November 30, 2004 at 18:01:36 Pacific
Reply:

Store discs away in a cabinet. They should easily last decades with the proper care. Be aware the the top of the discs are more sensitive to scratches then the bottom. That might seem illogical since they are read from the bottom. But the data is actually stored very close to the top.


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Response Number 6
Name: ello81
Date: November 30, 2004 at 18:14:13 Pacific
Reply:

I have copied some 200 movies to DVD-R disks using Clone dvd. After 8 months they all play perfectly. I only use one brand of DVD-R, Shintaro - because i was told by a heavy DVD user to use these and nothing else.
I also play them in the budget players only, ones i can buy for $70 or less. Try Tevion from Aldi shop, it plays evrything faultlessly.


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Response Number 7
Name: ham30
Date: November 30, 2004 at 18:20:46 Pacific
Reply:

You aren't by any chance writing on the DVDs? Any pressure applied to the top can destroy data. Also chemicals in some inks can do damage.


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Response Number 8
Name: XLWH
Date: November 30, 2004 at 18:34:23 Pacific
Reply:

Hi again.


Ham30 is right.


They have special markers made for writing on CDs and DVDs that don't cause harm.


You can find them at office supply stores.


Take care,

Linda


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Response Number 9
Name: ello81
Date: November 30, 2004 at 20:45:14 Pacific
Reply:

ham30 and linda are so right.
I never write on DVD, i only make my own labels to stick on. Get a Fellowes label making kit from BigW for about $30.
Also be very very careful to keep finger grease off the burnt side, they must be spotless as CloneDVD will often highly compress copied movies, so the laser beam needs a very clean disk to read all those millions of pits and lands.


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Response Number 10
Name: dannyboy
Date: December 1, 2004 at 00:47:15 Pacific
Reply:

It's also best to store discs in a dark place, as sustained exposure to bright light (e.g. sunlight) can degrade them.

I would still say they're safer for long-term storage than magnetic media.


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Response Number 11
Name: Lizette
Date: December 1, 2004 at 05:55:37 Pacific
Reply:

Alot of dvd-r users think their dvd will last forever. However because the layer on the disk is made out of sugar(!) and the laser of your burner is not as strong as 'regular' dvd's it will only last about 10-12 years. It's recommended that you re-burn your dvd's every 4 or 5 years.

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Response Number 12
Name: moonflow
Date: December 1, 2004 at 12:53:11 Pacific
Reply:

You can also try other programs to rip and compress your video. Go to www.afterdawn.com for information on the different software (some of the best are free) and their effects on video quality. Also, I've backed up movies with Ritek media and have had if for a over almost two years without problems.

Ben


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Response Number 13
Name: ozyoiy
Date: December 2, 2004 at 02:07:12 Pacific
Reply:

Hi again.
Yes i do write on them with a black texta/nikko type pen i guess thats it.
Ohh how do you know they will last for decades???Have you got a time machine to go into the future and see,To the best of my knowledge home made DVDs are a relitivly new thing maybe 3 years tops im guessing,I know store bout DVD media has been around longer but like i said before i suspect the have a protective coating.So freshly burnt is pretty new i think....Not trying to be rude but im just not sure how youd know they would last for 20 years +.
Thanks
Oz

"Bite off more than you can chew, And chew like hell!"
Peter Brock.


Yahoo Id. ozyoiy


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Response Number 14
Name: Linebacker
Date: December 12, 2004 at 16:18:04 Pacific
Reply:

Standard chemistry mate. They know how long it takes for the protective compound to break down and so they can estimate the point at which this will render the DVD unusable. Also most degrading processes can be sped up, eg through exposure to intense UV light, thus this point can be found more exactly.

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