You have to look on the back of the dvd case. 16:9 (1.78)is for HD broadcasts. DvD movies come in fullscreen (4:3 reg tv), 1.85, 2.35, and many other sizes in between and beyond.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85