Sound Level Meter App | Hearing Protection Devices for Musicians: A Pilot Study
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Best & Most Accurate Decibel Meter Apps For Android / iPhone
NIOSH Sound Level Meter on the App Store
Bubble Level - Apps on Google Play
NIOSH on Twitter: "Do you have to yell to be heard at work? Maybe your workplace is too loud. Download the free @NIOSHNoise Sound Level Meter app and test the noise level
NIOSH updates Sound Level Meter app -
5 Best Noise Level Apps for Android
Decibel meter apps for your phone
NIOSH Releases Sound Level Meter App for Smartphone — Construction Junkie