SMPTE 248M – Television Digital Recording – 19-mm Type D-2 Composite Format – Cue Record and Time and Control Code Record
This standard specifies the content, format, and modulation method of the longitudinal records contained in the cue track and the time-code track in 19-mm type D- 2 helical-scan cassette video recorders. Track dimensions and locations are specified in ANSI/SMPTE 245M. The document applies to recorders operating in the 525-line television system with a frame frequency of 29.97 Hz.
