1. An electrical signal containing timing (synchronization), luminance (intensity), and often chrominance (color) information that, when displayed on an appropriate device, gives a visual image or representation of the original image sequences.
Note: Correlated audio is included and usually implied.
2. Pertaining to the sections of a television system that carry television signals, either in unmodulated or modulated form.
3.… (Read More →)

See codec.

An audio narration for television viewers who are blind or visually disabled, which consists of verbal descriptions of key visual elements in a television program, such as settings and actions not reflected in dialog. [FCC]
Note: Narrations are usually inserted into the program's naturally occurring pauses, and are typically provided through the secondary audio programming channel. [After FCC]

Synonym visual display unit. See monitor.

Synonym visual display terminal. See monitor.

See frame.

A sequence of video frames. [T1.80
1. 02-1996]

Refers, in the context of this document, to all forms of on-demand content that are streamed at the request of a subscriber. This can include, for example, movies, music, radio talk shows, distance learning, games, etc.

Transmission cable containing low-loss pairs with an impedance of 125 ohms; used for telephone carrier circuits, closed-circuit TV, TV pick-ups etc.

Equipment for recording the video waveform so that the mapped images may be stored and later retrieved as the video waveform. [After SMPTE]