39 Terms
Contributors in Video
Video
Entry point
Entertainment; Video
The point in a coded bit stream after which the decoder can be initialized and begin decoding correctly. The picture that follows the entry point will be an I-picture or a P-picture. If the first ...
Envelope delay
Entertainment; Video
The term “Envelope Delay” is often used interchangeably with Group Delay in television applications. Strictly speaking, envelope delay is measured by passing an amplitude-modulated signal through the ...
Envelope detection
Entertainment; Video
A demodulation process in which the shape of the RF envelope is sensed. This is the process performed by a diode detector.
Envelope detector
Entertainment; Video
A form of device in a television set that begins the process of converting a broadcast or CATV television signal into a video signal that can be displayed. Envelope detectors are sensitive to some of ...
Equalisation (EQ)
Entertainment; Video
A) Process of altering the frequency response of a video amplifier to compensate for high-frequency losses in coaxial cable. b) The selective amplification or attenuation of certain frequencies.
Equaliser
Entertainment; Video
The pulses which occur before and after the broad pulses in the vertical interval. These pulses help the horizontal oscillator to maintain synchronization. See equalising Pulses.
Erasure
Entertainment; Video
A process by which a signal recorded on a tape is removed and the tape made ready for rerecording.
