What exactly is Dolby Digital Surround EX?
Dolby Digital Surround EX is a variation on the Dolby Digital sound format. EX allows for a center rear surround channel, allowing for more realistic placement of sound. EX was introduced with the release of Star Wars: Episode 1 and to date there have only been a handful of films to utilized this sound format. To learn more about Surround EX and other Dolby sound formats, visit dolby.com.