Analog television

Early Monochrome Analog receiver. In addition to volume control and channel selector dials, monochrome sets of this era would have had a fine-tuning control, brightness and contrast adjustment, and horizontal and vertical hold adjustments accessible to the viewer.

Diagram showing video signal amplitude against time.

Analog television or analogue television is the original television technology that uses analog signals to transmit video and audio. In an analog television broadcast, the brightness, colors and sound are represented by rapid variations of either the amplitude, frequency or phase of the signal.

单词	Horizontal hold
释义	Horizontal hold 英语百科 Analog television Analog television or analogue television is the original television technology that uses analog signals to transmit video and audio. In an analog television broadcast, the brightness, colors and sound are represented by rapid variations of either the amplitude, frequency or phase of the signal.
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Horizontal hold

Analog television