Sound links, suggested reading. Look at the sites' home pages too!
G. John Garrett, CAS
On Hearing like a microphone The whole site is very good.
Here are some great graphics on pressure waves, and adding waves in and out of phase. It will help you understand
interference pattern mics, and resonance. Look at the whole site, its really great!
Metering from Sound On Sound magazine
Microphone types
More microphone discussion
Online sound recording textbook
Ground Loops
Audio clipping discussion
More on ground loops
Randy Thom's "Designing A Movie For Sound." Required reading!