NIOSH Sound Level Meter App

NIOSH has released an iOS based sound level meter app that measures sound levels in the workplace to help workers learn about their noise exposure and reduce the chances of hearing loss. The NIOSH Sound Level Meter (NIOSH SLM) app for iOS devices is now available on iTunes freely to the occupational safety and health community as well as the general public.

NIOSH estimates that 22 million workers are exposed to hazardous noise levels every year. In addition to damaging workers’ quality of life, occupational hearing loss carries a high economic burden. An estimated $242 million is spent annually on workers’ compensation for hearing loss disability.

About the NIOSH Sound Level Meter App
The new app is designed to assist industrial hygienists, occupational safety and health managers, and workers who may not have access to professional sound measurement instruments to measure noise levels on the spot. The app is also designed to help raise awareness among workers about their work environment, especially those in the construction and the service industries (including musicians, teachers, and restaurant workers).

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The app is easy to use. It can serve as a practical tool that collects noise exposure data. The app provides a readout of the sound level in the workplace using either the built-in microphone or an external microphone and reports the instantaneous sound level in weighted decibels.

When the user presses the PLAY button to collect sound levels, excluding conversations, the app stores the data collected on the user’s device for downloading and sharing with managers or occupational safety and health staff. The app also provides important information about noise and hearing loss prevention.

The NIOSH SLM app has many important features, it provides a readout of the sound level using the built-in microphone (or external microphone if used) and reports the instantaneous sound level in A, C, or Z-weighted decibels. View the video below for a demonstration of the app’s features.

Read more on the NIOSH Science Blog – New NIOSH Sound Level Meter App