Generally is 2 layer in a Dual layer DVD.
dual layer means there are layers of pits and lands on the dvd
A standard DVD typically consists of two layers for storing data, one on each side of the disc. Dual-layer DVDs can have up to four layers, two on each side, to increase storage capacity.
A Double Layer or "Dual Layer" drive is able to write two layers of data onto a DVD, effectively doubling the storage space. Be sure to purchase DVD-R media that is approved for dual layer use.
The most common DVD type is DVD-5 (1 side, 1 layer) having 4.7GB of storage. Double-sided DVDs are rarely used. DVD-5 4.70GB Single sided, Single layer DVD-9 8.54GB Single sided, Dual layer DVD-10 9.40GB Double sided, Single layers DVD-14 13.24GB Double sided, One side single layer, one side dual layer DVD-18 17.08GB Double sided, Dual layer
DVD-SuperMulti Dual Layer
Single Layer, Dual Layer, Quad Layer i think
A dual layer DVD has more space compared to a single layer DVD. Instead of holding 4.7GB, a dual layer DVD can hold over 8GB. Aside from more space, they also tend to read faster than single layer ones.
Answer: How dual layer CD drives workCheck out this website: http://computer.howstuffworks.com/cd-burner.htm The main difference between a single layer and dual layer CD is that a dual layer CD or DVD has two layers of film on which data can be written to. One layer (the bottom one) is semi-silvered so that depending on the intensity of the laser, data can be read on each surface. The laser adjusts its intensity accordingly to which layer it want to read/write from.
The dual layer burner supports DVD-DL discs, dual layer DVDs with just under 9GB of storage space.
DVD+R DL (also called DVD+R9) is a Dual Layer writeable DVD+R.DVD-R DL (also called DVD-R9) is a Dual Layer writeable DVD-R. The dual layered discs can hold 7.95GBThe dual layered discs (DVD+R9 and DVD-R9) can hold 7.95GB and double sided dual layer (called dvd-18) can hold 15.9GB.
There are such things as Dual Layer DVD's, DVD-R9. They have two data layers and a capacity of around 8.5GB, and require a special burner to write to them, though can usually be read by most normal readers.
Yes, the DVD A DS8A8SH drive is compatible with dual-layer discs. It can read and write to both single-layer and dual-layer DVD formats. Just ensure that the media you are using is compatible with the drive specifications for optimal performance.