What noise level is dangerous?

A decibel (abbreviated dB) measures the intensity of sound. Zero decibels (0 dB) is the quietest sound audible to a healthy human ear. A logarithmic scale is used, thus every increase of 3 dB represents a doubling of sound intensity.

There are four sound level categories

(1) Quiet = 70 dBA or lower      (safe for hearing health + conducive to conversation)

(2) Moderate = 71 – 75 dBA       (safe for hearing health and conducive to general conversation, but a little bit louder)

(3) Loud = 76 – 80 dBA              (likely safe for hearing health, but difficult for conversation)

(4) Very Loud = 81+ dBA             (unsafe for hearing health + not conducive to conversation) 

 

Disclaimer: SoundPrint measures the approximate decibel level and is not a replacement for a professional sound level measuring device. The dBA numbers displayed on the iPhone app and the website are averages of all the historical SoundChecks measured and submitted to the database. These SoundCheck dBA numbers are historical and thus are a reasonable guess as to what the specific venue’s sound level are and will be in the future. There is no guarantee that the average dBA displayed is or will be the actual noise level in the future.

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