An Introduction to Video and Audio Measurement, 3rd Edition

CHAPTER 12USING THE PICTURE

 

 

 

Setting up the picture

There is no greater confusion in video operations than that caused by incorrect monitor set-up. Different monitors will show different pictures and where monitors are working side by side it is particularly irritating when they do not match each other. Avoid mixing products by different manufacturers wherever possible. Monitor set-up is a critical operation requiring a known signal source, and should ideally be carried out by one person following exactly the same procedure.

PLUGE

The most common picture display set-up is PLUGE (picture line-up and generating equipment), which has a step waveform with additional 5% steps above and below video black level: see Figure 12.1. The four-step contrast ...