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DCI's primary purpose is to develop a specification that describes a common, open standard for Digital Cinema that can be adopted by all Distributors , Studios and vendors. Because of the relationship of DCI to many of Hollywood 's key studios, conformance to DCI's specifications is considered a requirement by any Software Developer or equipment manufacturer targeting the digital cinema market. SPECIFICATION On , 2007 , DCI released an updated version of this spec, v1.1 available for download . Based on many SMPTE and ISO standards, such as JPEG 2000 -compressed image and "Broadcast wave" PCM / WAV sound, it explains the route to create an entire Digital Cinema Package (DCP) from a raw collection of files known as the Digital Cinema Distribution Master (DCDM), as well as the specifics of its content protection, Encryption , and Forensic Marking . The specification also establishes standards for the decoder requirements and the presentation environment itself, such as ambient light levels, Pixel Aspect and shape, image Luminance , White Point Chromaticity , and those Tolerances in which it should be kept. Universal Pictures made one of the first feature-length DCPs created to DCI specifications, using their film '' Serenity ''. Although it was not distributed theatrically, it had one public screening at the USC Entertainment Technology Center's Digital Cinema Laboratory in the Pacific Theatre, Hollywood. '' Inside Man '' was Universal's first DCP release, and was delivered via hard drive to 20 theatres in the United States along with two Trailers . Even though it specifies what kind of information is required, the DCI specification does not include specific information about how data within a distribution package is to be formatted. Formatting of this information is part of the DC28 specification, which has not yet been ratified. On . It was also announced "which studios would take over the leadership roles in DCI after the current leadership term expires at the end of September."1 Audio/video capability overview
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