Sound level meter(or SPL) app is shows a decibel values by measure the environmental noise, displays measured dB values in various forms.

Features:
- Display the current noise reference
- Display min/max decibel values

**Notes
Microphones in most android devices are aligned to human voice. The maximum values are limited by the device. Very loud sounds(over ~90 dB) may not be recognized in most device. So please use it as just an auxiliary tools.

If you need more accurate dB values, we recommend a actual sound level meter for that.