How do you test a dB sound?

How do you test a dB sound?

With a free app and your Android phone, you can turn your phone into a noise meter and find out. Download Sound Meter from the Android Market and launch the app. It starts right up to the sound meter and measures the minimum, mean, and maximum ambient sound levels in decibels (dB).

Can you measure decibels with phone?

Decibel X. This highly-rated, free app turns your smartphone into a pre-calibrated, accurate and easily portable sound level meter. It has a standard measurement range from 30 to 130 dB. It boasts many features for measuring the intensity of sound around you built into a nicely-designed, intuitive user interface.

How many dB is car horn?

110 decibels
Car horn: 110 decibels.

What decibel level is considered hazardous noise?

Hazardous noise levels It is difficult to specify what level of noise is absolutely safe, as individuals are affected by noise differently. However, noise levels above 7580 dB (A) are known to cause hearing damage. The louder the noise is, the less time it takes to cause damage.

What decibel level is dangerous?

Typically, any sound louder than 85 decibels (dB) is considered dangerous to your hearing. Sounds levels above 120dB may cause pain. When using earbuds, the audio is transmitted directly to your ear canal. This close proximity reduces the amount of sound that escapes, thus increasing the loudness.

What dB level is safe?

Noise levels above 140 dB are not considered safe for any period of time, however brief. For children, the World Health Organization (WHO) recommends no exposure above 120 dB.

What decibel level is acceptable?

Normal conversation is about 60 dB, a lawn mower is about 90 dB, and a loud rock concert is about 120 dB. In general, sounds above 85 are harmful, depending on how long and how often you are exposed to them and whether you wear hearing protection, such as earplugs or earmuffs.