A: Thomas Paine believed that the American army would become the strongest in the world, that America would achieve independence from Britain with a strong ar... Full Answer > Filed Under:
How DVDs Work. DVDs are of the same diameter and thickness as CDs, and they are made using some of the same materials and manufacturing methods. Like a CD, the data on a DVD is encoded in the form of small pits and bumps in the track of the disc. A DVD is composed of several layers of plastic, totaling about 1.2 millimeters thick. Each layer is created by injection molding polycarbonate plastic.
Creating DVD-Audio. About DVD-Audio Disc Creation. DVD-Audio (DVD-A) is a DVD disc format specifically targetting very high quality uncompressed music content. Standard music CDs (CD-DA) with a sample size of 16 bits and sampling frequency of 44.1 kHz provides high quality audio capability.