User Manual

APPENDIX A: GLOSSARY
79
User Bits: 32 unassigned bits in the 80-bit SMPTE time
code word that have been set aside by the Standards
Committee of SMPTE for users to place their own
information in the time code, such as the shooting date,
take identification, reel number, and so on.
Ve r ti c a l B l a n k i n g : The area on video tape between video
frames, which can be seen as the “black bar” above or
below the picture when the vertical hold is adjusted. This
area is where VITC can be recorded.
Video Field: One half (1/60th of a second) of a complete
video scanning cycle (one video frame), which consists of
525 video scan lines. One video field consists of the odd-
numbered scan lines; the other consists of the even-
numbered scan lines.
Video Frame: One complete video scanning cycle, which
consists of two video fields.
VITC: Vertical Interval Time Code. The Society of Motion
Picture and Television Engineers (SMPTE) time code
format, expressed in video form as binary video signal
recorded in the vertical blanking segment between frames,
that describes the location of each video tape frame in
hours, minutes, seconds, and frames. VITC’s audio
counterpart is LTC (Longitudinal Time Code), which is the
same time code format expressed in the form of a binary
audio signal.
VTR: Video Tape Recorder. A device that can record a video
signal onto video tape.
!USB Interfaces Manual Book Page 79 Tuesday, August 16, 2011 11:21 AM