iPhone app Decibels

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

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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,

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