manuals and how-to's for sound
M-AUDIO MICROTRACK Recorder Manual
Download file
Audacity manual and tutorials
http://audacity.sourceforge.net/manual-1.2/index.html
Understanding Audio File Formats
http://en.wikipedia.org/wiki/Audio_file_format
Using Sound and Video in Web Pages
http://www.stanford.edu/services/techtraining/videosound/
Audio Editing with Soundtrack Pro
http://journalism.berkeley.edu/multimedia/tutorials/soundtrackpro/
great link to compression
http://www.compression-links.info/