(1) The difference between, or ratio, of the highest and lowest signal in an electronic circuit. It measures the highest voltage, current or power compared to the lowest signal.|
When the music CD first came out in the mid-1980s, its dynamic range was widely touted. The CD could more accurately record the range of volume of a large orchestra from the quietest passages to the loudest drums than a vinyl phonograph record.
(2) The difference between, or ratio, of the lightest and darkest elements on a printed or displayed image.