Sound pressure meter (SPL) is meant for noise measurement. It calculates in Decibel or dB. It collects the noise from environment.
Levels of Noise In decibels (dB) according to American Academy of Audiology (www.audiology.org):
140 dB - Gun shots fireworks
130 dB - Jackhammers Ambulance
120 dB - Jet planes taking off
110 dB - Concerts Car horns
100 dB - Snowmobiles
90 dB - Power tools
80 dB - Alarm clocks
70 dB - Traffic vacuums
60 dB - Normal conversation
50 dB - Moderate rainfall
40 dB - Quiet library
30 dB - Whisper
20 dB - Leaves rusting
10 dB – Breathing

This app has banners and interstitials.
Follow us:
*FaceBook : https://www.facebook.com/Health-Cut-799869150060342/
* Google Plus https://plus.google.com/u/0/+IbizzilandADDI
Dont forget to rate us as your good rating keep us going