When it comes to sound level measurements, there are three types of time weighting that you see: Slow, Fast, and Impulse. In this article, we’ll talk about the difference between these ways of weighting and where they came from.
The terms slow and fast weighting go back to the days of analog sound level meters. Analog meters had a needle that would point to numbers on a scale. With differences in manufacturing and design, some of these needles reacted faster than ...Continue Reading →