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| Filename extension | .dpx |
|---|---|
| Type of format | Image file formats |
Digital Picture Exchange (DPX) is a common file format for digital intermediate and visual effects work and is an ANSI/SMPTE standard (268M-2003). The file format is most commonly used to represent the density of each colour channel of a scanned negative in a 10-bit uncompressed log format where the gamma of the original camera negative is preserved as taken by a film scanner. Other common video formats are also supported. DPX provides a great deal of flexibility in storing color and other information for exchange between production facilities. Multiple forms of packing and alignment are possible.
The DPX file format was originally derived from the output file format (.cin) of the Kodak Cineon 'FIDO' film scanner, and has been published by SMPTE as ANSI/SMPTE 268M-2003 (originally was version 1 268M-1994).
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Availability of the Official DPX Standard
Availability in Single Copy:
DPX is defined in SMPTE standard number 268M-2003, available in their store.
With Other SMPTE Standards:
SMPTE's website also has information about the ordering of CD-ROMs, which contains SMPTE standards including the SMPTE 268M-2003 standard.
Software
DJV Imaging is a free software able to display and manipulate DPX image files.
See also
- digital intermediate
- Display resolution
- Film-out
- Film recorder
- post production
- digital film
- Telecine
External links
- http://www.cineon.com/ff_draft.php
- http://www.smpte.org/
- http://www.imagemagick.org/script/motion-picture.php
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