Depends on the sensitivity of someone's ears. Usually around 120 decibels.
Longtime listening to sound levels more than 85 dBSPL hurts. 120 dBSPL is considered painful by most people.
Most humans find sound intensity levels above 120 dB to be painful. Prolonged exposure to sounds at this level can cause hearing damage and discomfort.
An example of a sound level measurement that is considered to be 55 dB is a normal conversation at a close distance.
A name for a painful sound could be a screech or a yelp.
A sound level of 55 decibels is similar to a quiet conversation or the hum of a refrigerator. It is considered a moderate level of noise that is not too loud.
Sound intensities above 120 decibels are usually considered painful to human ears. Prolonged exposure to sounds at this intensity can cause hearing damage. Common sources of sound at this intensity include concerts, explosions, and gunfire.
The sound level of the noise measured at 42 dB is considered moderate and is similar to the noise level of a quiet library.
The decibel level of a 7.62mm mini gun can reach around 160 to 170 dB when fired. This level of sound is extremely loud and can cause immediate hearing damage without proper ear protection. For comparison, sounds over 140 dB are considered painful to the human ear.
A sound level of 42 dB is considered to be relatively quiet, similar to a quiet library or a soft conversation. It is a low level of noise that is not very loud.
The volume level of a sound that measures 55 decibels is considered moderate, similar to a normal conversation or background noise in a quiet office.
2 degree burns may not be painful
At 55 decibels, the noise level is considered moderate and similar to a quiet conversation or background music.