Decibels: dB Sound Level Meter

Want to know what noise level is around you? in the restaurant? in the train? in the office? This app will show you with precision & style.

Features:
- Smooth analog display of dB(A)
- Take photo with sound level display
- Share, print, and store sound level photos

Extra Features (with purchase):
- Select frequency weightings A, C, and Z
- 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