Was it the dolby sound effect?
Dolby Digital is the marketing name for a series of data/audio compression technologies developed by Dolby Laboratories. Dolby Digital Dolby Digital is the common version containing up to six discrete channels of sound. The most elaborate mode in common usage involves five channels for normal-range speakers (20 Hz – 20,000 Hz) (right front, center, left front, right rear and left rear) and one channel (20 Hz – 120 Hz allotted audio) for the subwoofer driven low-frequency effects. Mono and stereo modes are also supported. AC-3 supports audio sample-rates up to 48 kHz. Batman Returns was the first film to use Dolby Digital technology when it premiered in theaters in Summer 1992. The Laserdisc version of Clear and Present Danger featured the first Home theater Dolby Digital mix in 1995. This codec has several aliases, which are different names for the same codec: * Dolby Digital * DD (an abbreviation for Dolby Digital, often combined with channel count; for instance, DD 2.0, DD 5.1) * AC-
