| V.I.T.C. |
(Vertical Interval Time Code pronounced vitSEE) This type of time code is recorded in the vertical blanking interval above the active picture area. Can be read from video tape in the "still mode." See also LTC (Longitudinal Time Code). |
| V.T.R. |
Video Tape Recorder. |
| variable bit rate (VBR) |
A way of coding video to maximize image quality over a connection?s available bandwidth, usually provided by more recent codecs. |
| VCR |
(videocassette recorder) Multifunction machine intended primarily for recording and playback of videotape stored in cassettes. |
| Vectorscope |
Electronic testing device that measures a video signal's chrominance performance, plotting qualities in a compass-like graphic display. |
| Vertical Interval |
Indicates the vertical blanking period between each video field. Contains additional scan lines above the active picture area into which non-picture information (captioning, copy protection and other control signals) may be embedded. |
| vertical interval time code |
(VITC) Synchronization signals recorded as an invisible component of the video signal, accessed for editing precision. [See time code] |
| Vertical Sync |
Synchronizing pulses used to define the end of one television field and the start of the next, occurring at a rate of approximately 59.94 Hz. |
| VHS |
(video home system) Predominant half-inch videotape format developed by Matsushita and licensed by JVC. [See Super-VHS.] |
| VHS-C |
(VHS compact) Scaled-down version of VHS using miniature cassettes compatible with full-size VHS equipment through use of adapter. [See Super-VHS.] |
| video card |
The PC card that controls the computer's monitor display. Don't confuse the computer's video (VGA, SVGA, Mac monitor and so on) which is non-interlaced, with NTSC video. PC cards for DTV are also called capture, overlay or compression cards. Most do not generate NTSC video output. |
| Video Prompter |
A mechanical device that projects and advances text on a mirror directly in front of a camera lens, allowing talent to read lines while appearing to maintain eye contact with viewers. |
| Video Toaster |
Software/hardware developed by NewTek for the Amiga Computer. Made special effects affordable for the low budget producer. |
| Videocassette recorder |
(VCR) Multifunction machine intended primarily for recording and playback of videotape stored in cassettes. |
| Videographer |
A video photographer who specializes in events like weddings. |
| Vignette |
Visual special effect whereby viewers see images through a perceived keyhole, heart shape, diamond -- whatever. In low-budget form, achieved by aiming camera through cutout of desired vignette. |
| Vignetting |
Undesirable darkening at the corners of a picture, as if viewer's peering through a telescope, due to improper matching of lens to camera -- pickup's scope exceeds lens size. |
| VITC |
See vertical interval time code. |
| VOD |
Abbreviation for Video on Demand. Usually only heard in the context of delivering full-frame, full-motion video to a television; since most video on the Internet is provided on-demand. |
| Voiceover |
Narration accompanying picture, heard above background sound or music, without narrator seen on camera. Talk's typically applied to edited visual during post-production. |
| Volt |
A unit of measurement for electromotive force. Watts divided by volts equals amps. |
