What is the perfect size room in regards to acoustics for a home theater?
The perfect size for home theater acoustics is a room that is 1½ times as long as it is wide.
What are the three most popular screen formats for a movie theater?
1) the standard 4:3 aspect ratio of classical films,
2) the 16.9 widescreen format of HDTV,
3) and the 2.35:1 cinewide format.
*Aspect ratio is the width-to-height ratio of the screen. If you have a 4:3 aspect ratio, then for every 4 inches of screen width, there are 3 inches of screen height.