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About Decibels

Know the noise level of your surroundings with Decibels for the iPhone.

Decibels is a free app for the iPhone by David Bannach which lets you find out the noise levels of your area.

Decibels features a nice analog display and uses the internal microphone to estimate the dB SPL ( decimal sound pressure).

Example of sound levels: in a quiet bedroom at night: 30dB, Average home: 50dB, Vacuum cleaner, 1m away: 70dB and a Jet aircraft 50m away: 140dB.

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