What is meant by dual-layer DVD is on the DVD side there are two layers of data.
The first was written somewhat semi-transparent. Point for the laser to read data on the layer in it. The data can be loaded by a dual-layer DVDs can be two-time from a single-layer DVDs. In addition to running this DVD takes players or DVD-ROM drive that does support it.
How to read there are three ways. The first session runs from one layer remains continue go to the next layer. Or there is also a character up to the user or required to stop for a moment. Only then go back. And the last one, that is by using a different rotation direction opposite to each other in the reading of the data.
Usually features dual-layer DVD is the color of gold pieces. Then there is an option on the DVD Widescreen or Full screen display screen. And as the last feature you can see immediately is the presence of two serial numbers in a single DVD.
- Formats on DVD Part-1
- DVD Utility
- Formats on DVD Part-2
- Meaning of Region Codes on DVDs
- Various Types of DVD