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    "abstract": "The purpose of this CST technical recommendation is to define the file formats for the exchange and exploitation of cinematographic programs with a view to their exploitation on all types of media. The technical recommendation defines the following two areas:\n● The file formats of the digitised picture and sound elements;\n● The format of the exchange container comprising a playlist of these digitised programs (a structured set of information called a \"Package\").\nThe \"container\" set must be chosen so as to cause no alteration of the picture and sound files and must be based on an open international standard or norm guaranteeing its interoperability. As this technical aspect may change in its formulation, it is set apart in a technical annex to this recommendation.\nThe founding principle of this recommendation concerning the digitization of works is that it must be done in a way that guarantees the preservation of the technical and artistic quality of the original elements.",
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    "details": "French-language CST recommendation (2016 revision) defining the \"mezzanine file\" for exchanging and exploiting cinematographic works, by the CST-RT021-MFFW working group (CST and FICAM members): source selection, minimum scan resolutions, linear 16-bit XYZ 4:4:4 picture, 24-bit/48 kHz PCM sound, packaged as a lossless JPEG 2000 / MXF IMP conforming to SMPTE ST 2067-40 (IMF Application #4, which replaced this recommendation’s earlier container annex). Its color-transformation annex is a separate document.",
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