Timecode A User's Guide, 3rd Edition

Appendix 83-line VITC for film-to-tape transfer

First line

This line of the code contains Video Tape Time (recorded on the VCR at the time of transfer) in standard IEC form and can also carry Aaton tags or video reel ident (or any arbitrary hexadecimal value) in the binary groups. The CRCC is the IEC standard.

Second line

This line contains KeyKode® information, 3/2 pull-down flags, film manufacturer and film gauge information, and video field ident. The data are carried in the bits that would normally carry both time- and user-data in traditional VITC. The CRCC in this line is the inverse form of the IEC VITC CRCC. The traditional time bits are used to carry the pulldown

Table A8.1 Bit allocation for 3-line VITC 2nd line arranged in bit order. ...