SafeNoise for Pc

1. SafeNoise is calibrated on an iPhone 4 and iPhone 5 running on iOS6 compared to a class 1 sound level meter (B&K 2250).

2. SafeNoise only needs access to the microphone in order to do a sound measurement.

3. The accuracy of the measured sound level depends on the position and quality of the microphone.

4. The averaged sound level is displayed in the middle just under the residence time.

5. The app measures the sound level and shows how much time you can safely stay in this sound level.

6. In laboratory circumstances, the difference is smaller than 1 dB(A) if the sound level is between 50 and 105 dB(A).

7. SafeNoise isn’t a replacement of a professional sound meter.

8. SafeNoise does not record the audio but transforms the microphone output voltage to a dB value.

9. If the Residence Time in the app is down to 0 and the face of the worker icon turns red, it is recommended to start wearing hearing protection or to take distance from the noise source.

10. You have to check the calibration to get an accurate sound level.

11. Sometimes you wonder if the sound level you are in, is bad for your ears.

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