The Patterns on the Stone section on compression,
pp. 91--100 (See course documents on blackboard) -- this is
a general audience piece that requires no math.
The
Theory Behind Mp3, Section 2 -- this is the reference for
MP3 encoding that we're roughly following for the first half of the
term.
The Mathematical Theory of Communication, Claude
E. Shannon and Warren Weaver, 1949 -- this is the classic
introduction of the larger set of ideas here.