Gracey & Associates

Noise and Vibration Measurement Basics

This section is aimed at the non-specialists. We hope to add to it, as time allows and if customers find it helpful

Select one if the links below to read some basic information on the topic

Acoustics Glossary

Background Noise

dB - the decibel

Leq- equivalent continuos noise level

Measurement Microphones

Reverberation Time

Sound Level Meter Basics

Statistical Noise Levels