A Tape Format for Quadruplex Cassette Video Recorders
E. Stanley Busby · SMPTE Motion Imaging Journal · 1972
A two-inch cassette videotape format is described, including means of physically marking the useful span of tape. The proposed SMPTE time and control code is recorded on the cue track. In its user bits are encoded three groups of data for location of the message elements, automatic control of playback adjustments, and message identification.