iSoundMeter!

iSoundMeter measures ambient noise and sound in decibel using the built in microphone of the iPhone. The iPhones built in microphone is sensitive from 20 - 30 dB (nearly silence) to approximately 110 decibels. Features:- Start or stop iSoundMeter any time - A, B, C, D frequency weightings with graphic prompt- Large digital readouts- Average and Max level displays - Reset the Max level readout- The last measurements (270 s) are saved and displayed- Send stored measurements via e-mail for further analysis- Easy interface (all in one screen) with amazing graphics optimized for the new Retina display- Sound effects with buttons