Sample Rate and Bitrate: The Guts of Digital Audio (2008)

"The higher the rate, the closer you’ll get to the smoothness of the first image."

oops.

"The Nyquist–Shannon sampling theorem states that a sample rate of twice the maximum frequency of the signal being sampled is needed to describe the frequency."

ouch.

related video : http://www.xiph.org/video/vid2.shtml