Richard Duvall

Latest articles by Richard Duvall

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Quality control

By Richard Duvall published

Consumer picture quality expectations are higher than ever, creating intense pressure on video equipment manufacturers, broadcasters, network operators

Opinions
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Confidence monitors

By Richard Duvall published

Analog television signals represented video and audio as a continuous range of values that assumed an infinite number of states. Minor imperfections in

Opinions
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Color grading

By Richard Duvall published

Being a brilliant editor and colorist doesn’t mean much if no one will air your product. Waveforms and vectorscopes can help produce a legal, color-balanced product, without any unwanted color cast.

Products
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Tektronix’s Cerify helps broadcasters avoid playout errors

By Richard Duvall published

Opinions