About Home Noise Measurement
You can measure an environmental noise.
Also you can contact with Korean Noise Info Center (http://www.noiseinfo.or.kr) in Korea.
You can see a call button (1661-2642) if screen shows above 57dB avg. noise during 20 minutes.
Download and install
Home Noise Measurement version 1.10 on your
Android device!
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Android package:
com.thinkmaking.chkdb, download Home Noise Measurement.apk
by B####:
Cool App