A basic home theater glossary
dummies.com/how-to/content/home-theater-glossary.html
High Definition glossary
theasc.com/hd_glossary/doku.php
The mechanics of movie sound
howstuffworks.com/movie-sound.htm
Acoustic terms and definitions
owenscorning.com/around/sound/glossary.asp
The art of film sound design
filmsound.org/
A guide to Anamorphic widescreen DVD
thedigitalbits.com/articles/anamorphic/
About 70mm movies
in70mm.com/index.htm