Best decibel meter app how to#

Best decibel meter app how to#

More resources (including instructional videos and a user manual), a science blog, FAQ, and information about how to interpret results can be found on the NIOSH SLM website Smartphone-based sound level measurement apps: Evaluation of compliance with international sound level meter standards. Support for Apple's Health (Hearing) app. Excellent and timely support from NIOSH hearing experts. Up-to-date informational screens on what noises are considered hazardous, how to conduct a noise measurement, how to properly select a hearing protector, and guidelines for preventing hearing loss, all at the palm of your hand. Capability to calibrate either internal or external microphone. Averages such as LAeq and TWA, Max and Peak Levels, Noise Dose and Projected Dose according to NIOSH and OSHA standards, and all three major weighting networks (A, C, and Z). Provides the most relevant metrics found in professional sound instruments today. Meets Type 2 requirements of IEC 61672:3 SLM standard when used w/ external microphone.* Trusted source and world-class expertise in noise and hearing research. Tested and validated (accuracy ± 2 dBA) according to standards in a reverberant chamber at NIOSH acoustics lab – the only proper method to validate accuracy. Completely FREE – No ads, no limited features, and no in-app purchases. Developed by experienced acoustics engineers and hearing loss experts. This award-winning app combines the best features of professional sound level meters and noise dosimeters into a simple, easy-to-use package.