07measuring digital

THE WAVEFORM MONITOR

For HD/UHD work, on the set, at the DIT cart and in post, the waveform monitor (WFM) is a reliable reference. Used in conjunction with the vectorscope, it can give us a great deal of information about our video signal.

The waveform monitor can tell us “the truth” about our video even if our monitors (on the set or in the editing room) are not properly calibrated; or on location when viewing conditions are bad and it is difficult to get a good idea of the condition of the image even from a very good, well-calibrated monitor.

The waveform displays the amplitude (strength) of the video signal; this translates into the brightness or luminance (or more properly luma, as we’ll talk about later) of the signal. ...

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