Dolby Surround 7.1

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Dolby Surround 7.1 is a sound system by Dolby Laboratories which delivers theatrical 7.1 surround sound to movie-goers. It adds two new channels to current Dolby Digital 5.1. The first film to feature Dolby Surround 7.1 was 2010's Toy Story 3 by Disney and Pixar. There are 4,500 locations capable of presenting Dolby Surround 7.1 films worldwide as of March 2013.

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