DISTRIBUTION AMPLIFIER
A device which distributes one video, audio, graphics or digital signal source to several acceptors for simultaneous recording, monitoring or processing. A good quality distribution amplifier amplifies the incoming signal, pre-compensates the signal for potential losses (resulting fr om the use of long cables, for example) and generates several identical buffered and amplified outputs. Video distribution amplifiers are mainly used in duplication studios wh ere many copies of a tape must be simultaneously generated from one source. Often, a video processor is inserted between the source and the distribution amplifier for correction and fine-tuning of the source signal before multiplication, so that all copies are corrected in the same way.
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