<Li> 4k--3D at 48 fps, 30 fps and 24 fps per eye / projector </Li> <P> Although the twin projectors are capable of displaying the 7,500: 1 contrast ratio defined by the DCI fixed luminance gamma function for movies not graded with Dolby Vision, the projectors are limited to 5,000: 1 contrast ratio . The Hollywood studios have graded over 100 films directly on Dolby Cinema projectors, the creative team can then create content with contrast ratios of 1,000,000: 1 . </P> <P> Another component of the Dolby Cinema experience is Dolby Atmos, an object - oriented, 3D - surround audio format developed by Dolby Laboratories . The system is capable of 128 simultaneous audio inputs utilizing up to 64 individual speakers to enhance viewer immersion . The first film to support the new format was Disney and Pixar's animated film Brave released in 2012 . </P> <P> Most Dolby Cinemas feature a curved video wall entrance displaying content related to the feature film playing in the auditorium . The content displayed on the video wall is specifically generated by the film studio and is intended to immerse viewers in the movie experience before the movie has started . The video is generated using multiple short throw high definition projectors in the entrance ceiling and proprietary software is used to pixel map the different images together along the wall . similarly, the audio is generated using speakers placed in the ceiling of the entrance . </P>

What's the difference between dolby cinema and standard