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We selected and acquired a representative sample of the popular smartphones and tablets on the market as of June 2013. Smartphone apps were selected based on their ability to measure occupationally relevant sound level values. A total of 130 iOS apps were examined and downloaded from the iTunes store*, of those, 10 apps met our selection criteria. A total of 62 Android apps were examined and downloaded, however, only 4 apps partially met our criteria and were selected for additional testing. As a result, a comprehensive experimental design and analysis similar to the iOS devices and apps study above was not possible.
I am an ear specialist. I believe that everyone should download a sound meter on their smart phone, and urge others to do the same. This would help to avoid the hearing loss patients I see daily.Can you help? I need a sound meter app for my web site and I am trying to find one that is available.drgrossan@yahoo.com
For purposes such as teaching a course, I would focus on precision of measurements instead of accuracy. One of the major issues with Android devices is that a very small percentage run the latest version of the OS. I suggest you have the students download a certain app (see table 9 in our expanded report -12a.pdf), ensure that they all have the same version (latest) of the Android OS, and see if you can use a single sound source to calibrate those phones, collectively, to a known sound level. 2b1af7f3a8