Decibels
Added July 13, 2018
Description
Want to know what noise level is around you? in the restaurant? in the train? in the office? This app will show you. +++++ Thank you for the nice comments +++++
Features: - Nice analog display - Take photo with decibels display - Share, print, and store decibel photos
Extra Features (with purchase): - Record decibels on beautiful strip charts - Annotate the strip charts - Share, print, and store the strip charts
This app uses the internal microphone to estimate the sound pressure level in decibels (dB SPL).
Examples: - quiet bedroom at night: 30 dB - average home: 50 dB - vacuum cleaner, 1m away: 70 dB - jet aircraft, 50 m away: 140 dB