

Introduced in 2006, Dolby TrueHD competes with DTS-HD for high-definition Blu-ray audio formats. Providing up to 14 discrete sound channels in the complete specification, TrueHD used in Blu-ray movies delivers stereo at 192 kHz and up to eight channels (7.1) at 96 kHz. Also called "DD+" and "Enhanced AC-3" (E-AC-3). Dolby Digital - 5.1 ChannelsFive discrete channels of audio plus.
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Part of the Blu-ray specification, Dolby Digital Plus supports higher bit rates than EX. A family of digital audio encoding technologies from Dolby used in movie theaters. Title Time Size Sound Video Added Dolby: Argon: 0:07: 7,1MB: Dolby Digital 5.1: 720×576 (16:9) 15.04.08: Aurora: 0:33: 28,7MB: Dolby Digital 5.1 EX: 720×480 (16:9. Formerly "Dolby Digital Surround EX," the first film to use this enhanced version of Dolby Digital was "Star Wars: Episode I - The Phantom Menace," in 1999.ĭolby Digital Plus - 6.1 and 7.1 Channels Dolby Digital employs Dolby's AC-3 coding and compression technology (see AC-3).Ĭo-developed with Lucasfilm THX, Dolby Digital EX adds one or two matrixed rear center channels. In order to properly listen to Dolby Digital or DTS 5.1 or 7.1 encoded movie soundtracks you must have five or seven speakers connected to your surround. See Dolby Surround and surround sound.įive discrete channels of audio plus subwoofer (see surround sound). Introduced in the movie "Batman Returns" in 1992, Dolby Digital has been the most widely used surround sound system in the world.
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