Understanding Widescreen, Letterboxed, and Pan & Scan

[Tech News]

A Long Time Ago, in a Galaxy Not So Far Away… Someone introduced us to widescreen videos on VHS. These videos presented the full picture as you saw it in the theater, but did so on our 4:3 (non-widescreen)...http://www.audioholics.com/techtips/specsformats/widescreenletterboxpanscan.php