A common file format for digital film work is the ANSI/SMPTE DPX file format which represents the density of each colour channel of a scanned negative in a "10-bit log" format. There is typically a different file for each frame, often 20 to 50 megabytes in size.
... 1983)
April 22 - Robert Oppenheimer, physicist (+ 1967)
May 6 - Harry Martinson, swedish author, winner of the Nobel Prize in literature
May 11 - Salvador Dalí, ...