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This topic comprises 2 pages: 1 2
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Author
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Topic: Digital Terms and Acronym directory
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Ken Lackner
Phenomenal Film Handler
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Posts: 1907
From: Atlanta, GA, USA
Registered: Sep 2001
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posted 02-25-2016 05:11 PM
Digital Cinema Package (DCP) -- A collection of all of the files, both essence (human readable, i.e. picture, audio, captions) and metadata, that make up a piece of content (composition). While it is technically possible to author multiple pieces of content in a single DCP, this is rarely done. Often confused with CPL.
Composition Playlist (CPL) -- A metadata file in the DCP that tells the system how to put together the essence files to play back the composition. Each individual piece of content, whether a trailer, ad, feature, etc., has a CPL. CPLs are what are inserted in SPLs. The CPL file name is often the same as the DCP name when the DCP contains only one CPL, which is almost always the case.
Show Playlist (SPL) -- Just like building a playlist in iTunes or your favorite media management software at home, an SPL tells the player which clips to playback and in what order. SPLs usually also contain cues to control external devices such as dimmers, masking, sound processors, etc.
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Harold Hallikainen
Jedi Master Film Handler
Posts: 906
From: Denver, CO, USA
Registered: Aug 2009
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posted 02-26-2016 08:12 AM
RPL is Resource Presentation List (or, more properly, Auxiliary Resource Presentation List) as defined by SMPTE 430-11. Depending upon the server, there is one RPL generated per show or one RPL generated per composition. Projector subtitle engines and external closed caption transmitters fetch (using HTTP) this to get the URLs of each of the timed text file along with the time that file will play, the duration it will play, the language, the resource type (closed caption, subtitle, etc.). The server sends the URL(s) of the RPLs using the (Auxiliary) Content Synchronization Protocol (SMPTE 430-10).
Harold
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