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THX Surround EX/Dolby Digital EX is a joint development of Dolby Laboratories and the THX division of Lucasfilm Ltd. This phenomenal technology was first heard in George Lucas' 'Star Wars: Episode I - The Phantom Menace'. Now applied to home cinema, EX technologie creates an extra 'Surround Back' channel, which may have been added when the programme was mixed.
By decoding the surround back channel from the left and right surround channels of 5.1 soundtracks, this additional surround back channel allows more detailed imaging behind the listener and brings more depth and better sound localisation than ever before, to give you the feel of 6.1 channels.
THX Surround EX/Dolby Digital EX is compatible with Dolby Digital 5.1, so that regular Dolby Digital decorder can decode EX signals as a normal 5.1 signal. |
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