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what exactly is a double layer dvd burner

i have a lightscribe dvd burner
and i know its a double layer
but i dont exactly know what that means, i know it writes faster
but thats just about it
definition plz?
Happy

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Higher density

In reply to: what exactly is a double layer dvd burner

Double layer just means it can store roughly 2X as much as a regular DVD. I've yet to get around to learning the specifics of how they do this, but it has to do with storage capacity or density.

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The double layer feature is

In reply to: what exactly is a double layer dvd burner

for burning double layer DVD's. For a long time DVD's had only a single layer of material that could be burned to by a laser. In order to increase the amount of data that can be stored on a DVD, the double layer DVD's were developed.

In some cases each layer is burned by a different wavelegth laser. The blank dual layer DVD's cost considerably more than the standard single layer jobs.

As with the single layer there are two opposing c]specifications supported by various industry groups. Thus with Double layer there are still the minus and the plus competiton, [most burners now burn either type. The next step is Blu-ray and of course the competing DVD[something, forgot the name] which can have more layers, use shorter wavelength lasers and can thus put more data on a single disk.

At this time a blu-ray burner costs about $1000.00.

There are absolutely no sign that the industry will ever settle on a single standard in DVD technology. Like Betamax and VHS.

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