The SMPTE 2048 suite of documents (ST 2048-1, ST 2048-2, ST-2048-3) defines a family of progressive sample structures of 2048 x 1080 and 4096 x 2160 images intended for Digital Cinematography content creation.
More SMPTE standard pdf
SMPTE 277M-1996 (Archived 2004)
Television Digital Recording - 19-mm Type D-6 - Helical Data, Longitudinal Index, Cue and Control Records
$37.00 $75.00
SMPTE 278M-1996 (Archived 2004)
Television Digital Recording - 19-mm Type D-6 - Content of Helical Data and Time and Control Code Records
$37.00 $75.00