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NIOSH Sound Level Meter

Stop guessing. This app arms users with serious sound data, transforming a smartphone into a genuine noise measurement powerhouse.

Utilities ›

Key Figures

Downloads

1M+

User Rating

4.7/5

Total Ratings

19.7K

Publisher

EA LAB d.o.o.

An in-depth analysis of its core functionalities and user benefits.

NIOSH Sound Level Meter: Key Features Evaluation

Professional Noise Measurement Metrics

The app provides comprehensive noise exposure metrics, including LAeq, TWA, Max/Peak Levels, and Noise Dose (NIOSH/OSHA standards) across A, C, and Z weighting networks, mirroring dedicated professional instruments.

Scientifically Validated Accuracy

This tool features tested and validated accuracy (± 2 dBA) within a specialized acoustics lab, ensuring reliable and trustworthy measurements for critical health and safety assessments.

IEC Standard Compliance

When utilized with an external microphone, the app meets Type 2 requirements of the IEC 61672:3 SLM standard, making it suitable for applications demanding regulatory adherence.

Completely Free and Unrestricted

It offers full functionality without any cost, advertisements, or in-app purchases, democratizing access to professional-grade noise measurement for a broad audience.

Microphone Calibration Support

The app allows users to calibrate both internal and external microphones, providing flexibility and ensuring the highest possible measurement accuracy for varied setups and specific project requirements.

Expert-Developed and Trusted

Developed by experienced acoustics engineers and hearing loss experts from NIOSH, it provides users with a tool backed by world-class research and a highly reputable organization.

Data Reporting and Sharing

This tool enables easy reporting and sharing of measurement data, which is indispensable for documentation, compliance records, and collaboration among teams and stakeholders.

Integrated Hearing Health Education

It provides accessible information on hazardous noise levels, proper measurement techniques, hearing protector selection, and prevention guidelines, empowering users to make informed decisions.

FAQ

Frequently Asked Questions

Everything you need to know about NIOSH Sound Level Meter

What is the NIOSH Sound Level Meter app?

The NIOSH Sound Level Meter app combines professional sound level meter and noise dosimeter features into an easy-to-use package. It was developed by experienced acoustics engineers and hearing loss experts.

Is the NIOSH Sound Level Meter app free to use?

Yes, the NIOSH Sound Level Meter app is completely free. It includes no ads, no limited features, and no in-app purchases, providing full functionality without cost.

How accurate is the NIOSH Sound Level Meter app?

The NIOSH Sound Level Meter app has a validated accuracy of ± 2 dBA. This validation was performed according to standards in a reverberant chamber at the NIOSH acoustics lab.

What professional standards does the NIOSH Sound Level Meter app meet?

The NIOSH Sound Level Meter app meets Type 2 requirements of the IEC 61672:3 SLM standard when used with an external microphone. It also provides metrics according to NIOSH and OSHA standards.

Can the NIOSH Sound Level Meter app calibrate microphones?

Yes, the NIOSH Sound Level Meter app has the capability to calibrate both internal and external microphones. This feature ensures accurate sound measurements.

Does the NIOSH Sound Level Meter app integrate with Apple Health?

Yes, the NIOSH Sound Level Meter app supports Apple's Health (Hearing) app. Users can integrate their sound level data with their Apple Health profile.

How can users save and share data from the NIOSH Sound Level Meter app?

The NIOSH Sound Level Meter app allows for reporting and sharing measurement data. Users can also save measurements, which are accessible from the "Saved" tab.

What information does the NIOSH Sound Level Meter app provide about hazardous noise?

The NIOSH Sound Level Meter app offers informational screens detailing what noises are hazardous, how to conduct measurements, select hearing protectors, and guidelines for preventing hearing loss.

What metrics does the NIOSH Sound Level Meter app measure?

The NIOSH Sound Level Meter app provides metrics like LAeq, TWA, Max and Peak Levels, Noise Dose, and Projected Dose. It also includes A, C, and Z weighting networks.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

Description

This award-winning app combines the best features of professional sound level meters and noise dosimeters into a simple, easy-to-use package. - Developed by experienced acoustics engineers and hearing loss experts. - Completely FREE – No ads, no limited features, and no in-app purchases. - Tested and validated (accuracy ± 2 dBA) according to standards in a reverberant chamber at NIOSH acoustics lab – the only proper method to validate accuracy. - Trusted source and world-class expertise in noise and hearing research. - Meets Type 2 requirements of IEC 61672:3 SLM standard when used w/ external microphone.* - Provides the most relevant metrics found in professional sound instruments today. 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). - Capability to calibrate either internal or external microphone. Reporting and Sharing data. - 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. - Excellent and timely support from NIOSH hearing experts. - Support for Apple's Health (Hearing) app. * Celestina M, Hrovat J, Kardous CA [2018]. Smartphone-based sound level measurement apps: Evaluation of compliance with international sound level meter standards. Applied Acoustics, 139:119-128. https://doi.org/10.1016/j.apacoust.2018.04.011 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 https://www.cdc.gov/niosh/topics/noise/app.html