Why Store Sound and Video Digitally?
(1) Error control
(2) Compression and other tricks
Analog Magnetic Storage (Cassette Tape)
Digital Magnetic Storage (Hard Drive)
Smaller media = more recording error (noise)
Graphic adapted from R. Nave, Georgia State
E1101 Digital Information Age
Lecture Notes October
Note: these are my handwritten lecture notes, not
originally intended for distribution. Everything is
correct, but good luck reading some of it.