Decibel Meter X

Thanks for using the app, the app turns your iOS devices into a sound level meter, it helps you to recognize the environment noise level, protects you from noise harm. It takes advantage of the microphone of your devices, convert environment sound to sound pressure level(SPL) in unit of dB. It supports pure audio mode, also supports video/photo mode. You can capture video with live sound level as watermark, as well as take a phot with decibel level watermark. It also supports to generate measurement report with detail information.