Noise-Induced Hearing Loss

Examples of Common Sounds and Their Decibel Levels

Hearing Damage Thresholds Based on Decibel Level and Exposure Time

An audio engineer at a concert increases the sound level from 70 dB to 90 dB. Which statement best analyzes the change in the sound's physical intensity and how it is perceived by the audience?

A sound increases in intensity from 30 dB to 50 dB. A second, much louder sound increases from 90 dB to 110 dB. How does the perceived change in loudness for the first sound compare to the perceived change for the second sound?

In a professional workplace safety environment, understanding sound levels is critical for protecting employee hearing. Match the following sound intensity terms and values to their correct descriptions.

A safety officer at a manufacturing plant is monitoring noise levels to ensure worker safety. He records the sound intensity in decibels (dB), a unit that is based on a(n) ____ scale to account for the massive range of sounds human ears can perceive.

Occupational Noise Safety Thresholds