Physics of a Compact Disk

Physics of a Compact Disk Compact discs are the most popular form of recorded musical entertainment. They have more memory than their vinyl predecessors as well as a smaller size. Compact discs are digitally recorded, unlike the analog-recorded tapes and LP records, so have a better sound quality. Because of the benefits of optically recorded compact discs, this form of musical technology has almost completely replaced vinyl records and cassette tapes. CD’s are played …

…micro disk, which is a smaller form of a compact disc, and electronically recorded Napster. With the technology to produce digital recordings from analog sound, the quality of reproduced sound will continue to improve. Works Cited Ardley, Neil. How Things Work. New York: The Reader’s Digest Association, Inc., 1995. “Compact Discs.” Microsoft’s Encarta Encyclopedia. CD-ROM. 1998 ed. Harbison, James P., and Nahory, Robert E. Lasers: Harnessing the Atom’s Light. New York: Scientific American Library, 1998.