Encoded digital audio information and video are stored in pits on the disc. The hole is a spiral groove. The hole from the center of the disk, and run through its edges.

The other side of the well is to read the help of the laser to read and implement a program or a movie was recorded on DVD media. Hang on a DVD to be more closely packed and small, to store more information.

Laser reading to be more precise, in order to read it smaller. DVD using a red laser, while the blue laser is the use of new Blu-ray Blu-ray Disc media format.

This is like Blu-ray to be, because the name of (more…)