20 Terms
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Television
Any device used to transmit and recieve moving images, usually accompanied by sound.
Industry: Consumer electronics
Add a new termContributors in Television
Television
Automatic frequency control (AFC)
Consumer electronics; Television
A circuit used to keep a superheterodyne receiver tuned accurately to a given frequency by controlling its local oscillator, as in an FM receiver.
Antenna
Consumer electronics; Television
A device designed to collect or emit electromagnetic energy.
Average picture level (APL)
Consumer electronics; Television
The average signal level (with respect to blanking) during active picture time, expressed as a percentage of the difference between the blanking and reference white levels.
Analogue
Consumer electronics; Television
A descriptor for quantities varying continuously rather than in discrete steps.
Amplifier
Consumer electronics; Television
A device used to increase the strength of the signal supplied to it.
Aspect ratio
Consumer electronics; Television
Picture width to height (4:3 for NTSC and 16:9 for ATSC)
Attenuation
Consumer electronics; Television
The loss of signal through transmission often expressed in decibels.
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