dB

E2S Publishes an Information Guide to Measuring Sound Levels in dB

E2S Warning Signals, one of the world’s leading independent manufacturers of high-performance audible and...

The Scale of Shaky Things

We examine the size of things that move and shake, from the whisper of a lover to the crunch of tectonics. Barely audible, a whisper at the threshold of human hearing produces a “zero dB” sound pressure level (SPL), according to convention.

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