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About Sound Meter
Sound pressure level meter app uses your microphone to measure noise volume.
SPL(sound pressure level) meter app uses your built-in microphone to measure noise volume. We had calibrated many android devices with the actual sound level meter with dB(A).
REMEMBER!! The smart phone microphones were aligned to human voice (300-3400Hz, 40-60dB).
Therefore the maximum values are LIMITED by the hardware limitation, and very loud sound(100+ db) cannot be recognized. Moto Droid (max.100), Galaxy S3 (81dB), Galaxy Note (91dB), Galaxy S2 (98dB), HTC Desire(82dB)...
Vibrometer app uses the phone sensors to measure vibration or the earthquake, and it shows a reference as a seism detector.
The measured values are the Modified Mercalli Intensity scale(MMI), and just for reference.
What's new in the latest 13.3
Last updated on May 30, 2017
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Videos and Screenshots
Old Versions of Sound Meter
Sound Meter 13.3
5.0 MBMay 30, 2017
Sound Meter 1.3
5.8 MBApr 13, 2016
Sound Meter 1.2
4.0 MBNov 1, 2015
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