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Tuesday, September 19 • 13:30 - 14:00
DPX: History and Considerations Regarding Preservation Archiving

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DPX is a digital target format used when scanning motion picture film. It is the successor to Eastman Kodak's CINEON format (ca. 1992). DPX was first standardized in by SMPTE in 1994 and updated in 2003. In their early development, CINEON and DPX addressed a then-new need: building a film-duplication workflow with a digital intermediate, i.e., film-in and film-out. CINEON files were intended to support the exposure of duplicate negative stock that would in turn be printed for theatrical release prints. DPX was designed to play a slightly broader role, although the core motivation was similar. In recent years, the industry has moved to more complex and sophisticated production, favoring terms like digital mastering and developing the Academy Color Encoding System (ACES). DPX can be used in the ACES context, especially when going from film negative and internegative to positive print stock for theatrical projection (now almost a thing of the past). These industry-tailored uses mean that DPX and the installed base of technology that supports it make a good-but-not-perfect fit for memory institution scanning. What adjustments to the DPX specification and/or scanning practices should archivists be thinking about as they increase preservation-oriented digitization of motion picture film?

avatar for Lars Gaustad

Lars Gaustad

Head of moving image preservation, National Library of Norway
Lars Gaustad is head of moving image preservation at the National Library of Norway. The library holds the heritage collection of moving images in Norway as well as being responsible for handling the legal deposit of film and television. He has chaired the Technical Commission of... Read More →

avatar for Carl Fleischhauer

Carl Fleischhauer

IASA Technical Committee
Carl Fleischhauer worked on a variety of digitization and digital preservation projects at the Library of Congress beginning in 1983. His more recent projects at the Library include the Format Sustainability Web site and coordination of the Audio-Visual Working Group of the Federal... Read More →

Tuesday September 19, 2017 13:30 - 14:00 CEST
Ethnologisches Museum, Room 2 (ground floor) Takustraße 40, Berlin, Germany