Some people's ears are more sensitive to loud sounds, especially at certain levels of noise over many years, not by a few cases of very loud noise. Noise is characterised as 'unwanted sound'. This sound is measured in units called Decibels (dB) which tell you how loud something is and if the. LEVELS OF NOISE In decibels (dB). PAINFUL & DANGEROUS Over 85 dB for extended periods can cause permanent hearing loss. LOUD All rights reserved. 16 times as loud as 70 dB. Jet take-off (at meters), use of outboard motor, power lawn mower, motorcycle, farm tractor, jackhammer, garbage truck. Most people do not have prolonged exposure to the sound of a subway train, but many face occupational noises that are equally as loud all day. Understanding noise levels in your environment can help you prevent hearing loss. Sound is measured in decibels (dB), and if it sounds too. Note: dBA = Decibels, A weighted. Decibel Level Comparison Chart. Environmental Noise. dBA. Jet engine at '. Pain Begins. Exposure to noise from various sources is most commonly expressed as the average loud noise sources, such as music played back in headphones and impulse. A decibel dB(A) is a unit of measurement that indicates how loud a sound is. Humans can hear sounds between 0 and decibels. Popular tracks. See all · LOUD live @ Origin Festival [Full Set]. LOUD. K. 4y · LOUD - BOOM FESTIVAL LOUD. K.