Inside ‘Aspect Ratio’

THX Optimizer Aspect Ratio

This test looks similar to the 4:3 Aspect Ratio test, but the 16:9 Aspect Ratio test pattern is used to make sure that your DVD player is set to the proper display mode.

Learn More

Find Products

THX works with consumer electronics manufacturers to design and build the finest home audio and video products.

Select a Manufacturer:
About THX Categories

Find a THX Certified Installer

A THX Certified Installer can ensure that you are getting the most out of your entertainment experience.