Test and Measurement: “I Can Hear It. Why Can’t I Measure It?”

Dan Foley discusses how audible distortion can be difficult to measure and explores the instrumentation noise floor’s impact on what can be measured. As he explains, this is an overlooked contributor for the reason we are not able to measure a particular audible “distortion,” especially with low sound pressure level (SPL) signals. This article was originally published in audioXpress, March 2016 - Focus on Test & Measurement Special issue.