Dolby Surround 7.1
Dolby Surround 7.1 (sometimes called Dolby 7.1 surround sound) is a sound system by Dolby Laboratories which delivers theatrical 7.1 surround sound to movie-goers. It is the most recent addition to a family of audio compression technologies developed by Dolby known as Dolby Digital.
| Product type | Surround sound |
|---|---|
| Owner | Dolby Laboratories |
| Country | United States |
| Introduced | 2010 |
| Related brands | Dolby Digital |
| Markets | Worldwide |
| Previous owners | DTS |
| Website | Dolby official website |
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 Walt Disney Pictures and Pixar. Dolby Surround 7.1 was used to mix in movies and display in movie theaters, from 2010 to 2014, until Dolby Atmos superseded it in 2018.
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