Is SPL Meter app accurate?

An evaluation of 25 sound level meter apps on the Google Play Store showed that only 6 labelled the metric being displayed correctly. Where this wasn’t the case, the majority were using SPL, often with no indication of the frequency or time weighting being used.

What is the best SPL Meter app?

5 Best Noise Level Apps for Android

  • Sound Meter PRO.
  • Decibel X.
  • Sound Meter.
  • Sound Meter & Noise Detector.
  • Sound meter: decibel meter – db spl meter.

Can I measure sound decibels from my phone?

Decibel. This sound level meter application for the Android market is a simple tool that uses the smart phone’s microphone to measure Sound Pressure Level (SPL).

Can I use my phone as a sound meter?

With a free app and your Android phone, you can turn your phone into a noise meter and find out. Download Sound Meter from the Android Market and launch the app. It starts right up to the sound meter and measures the minimum, mean, and maximum ambient sound levels in decibels (dB).

How accurate are iPhone dB meters?

The most effective app was found to be the NIOSH (National Institute for Occupational Safety and Health) Sound Level Meter (EA LAB, Slovenia) with an R2 of 0.97. The least effective app was the Decibel Meter With Recorder (Jianhua Ming, China) with an R2 of 0.62.

Is there a free decibel meter app?

There’s an app for that! The National Institute for Occupational Safety and Health (NIOSH), part of the Centers for Disease Control and Prevention (CDC), developed the NIOSH Sound Level Meter (SLM) app for iOS devices to help promote better hearing health and prevention efforts. You can download the free app on iTunes.

Is there a free app for measuring decibels?

dB Meter is free app which provides professional-quality measurement results, calibrated using an actual Nor140 high-precision decibel meter. With dB Meter, you can measure ambient noise levels, save your measurements and their locations, and share your measurements with others.