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.
A few important examples are: 1  Authoring DVD-A discs with stereo audio tracks at 24 bit, 96 kHz or 24 bit/192 kHz. 2  Authoring DVD-A discs with 24 bit/48 kHz 5.1 LPCM (uncompressed) audio tracks. 3  Creating DVD-A mixed-type tracks with several groups (up to 9 groups, with up to 99 tracks per group)