Tally Light:
A small light on a video camera which turns on when recording is in progress. In multi-camera situations; a
light on a camera, or in it's viewfinder, which turns on when the camera is switched on-line or live.
TBC:
See Time Base Corrector.
Tele:
(Prefix) Producing images or other results from a distance.
Telecast:
Material broadcast by television.
Telecine:
The process (or equipment used in the process) of transferring film to video and/or television.
More Info: Transferring Film to Video
Telephoto:
Telephotographic.
Teleprompter:
Device which scrolls text on a screen, to provide cues for a television/video presenter.
Televise:
To transmit by television.
Television:
Literally means vision at a distance. The transmission, reception, and reproduction of moving pictures and audio.
Refers to both the process in general, and the receiving appliance.
Tele-zoom:
Longer zoom, producing greater magnification.
Test Pattern:
Pattern of colours, lines and/or shapes designed to assist equipment calibration.
More info: Video & television test patterns
Tilt:
Vertical camera movement, i.e. adjusting the framing up and down.
Time Base Error:
An error in the technical data of a video signal which causes picture distortion.
More info: Time Base Errors
Time Base Corrector:
A device which adjusts, improves and corrects defects in a video signal. Can be used to synchronise different vision sources
before being mixed together, to avoid picture disturbances when cutting from one source to another.
More info: Time Base Correctors, Timing video sources
Timecode:
An indexing system that assigns a time value to individual frames of a film or video, or sections of an audio file.
More info: Timecode
Tone (1):
An audio test signal. Used to set signal levels, test signal quality, identify signal pathways, etc.
More info: Audio Tone
Tone (2):
In music, an interval of two semitones.
Tone (3):
Quality of a person's voice, e.g. "The newsreader spoke in an authoritative tone".
Tone (4):
Description of an attitude, mood, setting, etc. For example, "The tone of the movie was grim", or "The tone of the article was upbeat".
Transcoding:
The process of converting one digital format to another, or re-encoding a digital file in order to change one or more parameters.
More info: Transcoding
Transducer:
A device which coverts energy from one form into another. For example, a microphone is a transducer which converts
acoustical energy into electrical energy.
Related info: Microphones
Transistor:
A device used for switching or amplifying.
Transition:
The way in which two video shots or audio clips are linked together; for example, instant cut, crossfade, wipe, etc.
Related info: Video transitions
Transmitter:
A device which converts video, audio and/or data signals into modulated radio frequency signals, and transmits them as radio waves.
Tripod:
A three-legged stand for mounting equipment such as a camera, etc.
More info: Video camera tripods