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 6,000 locations capable of presenting Dolby Surround 7.1 films worldwide as of February 2015. Dolby Surround 7.1 is expected to replace Dolby Digital in the cinema in 2018.