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Z-weighted is the flat frequency response of 8Hz to 20kHz (+/- 1.5dB), this is the actual noise that is made with no weighting at all for the human ear (Z for zero). Or for example as LCeq, LCPeak, LCE where the C shows the C-weighting. The National Institute on Deafness and Other Communication Disorders has an interactive infographic on decibel levels. Measurements are typically displayed as dB (C) or dBC. When using Bluetooth-enabled earbuds, limit the volume using the phone’s settings.įor venues and events where amplified music is being played, the World Health Organization issued recommendations to monitor the sound levels, optimize acoustics to ensure safe listening, and provide ear protection as well as access to quiet zones so attendees can rest their ears. This helps protect our hearing and allows us to listen to our favorite music for longer. The scale for measuring intensity is the decibel scale. Headphones and earbuds can reach as loud as 100 dB or more, so a safe level is 50 to 60 percent of the maximum volume. We recommend following the Centers for Disease Control and Prevention guidelines averaging no more than 70 dB. This workplace limit is also not safe for children, whose auditory system is still developing, and their ears have to last a lifetime. Ein Ton, der 1.000 Mal stärker ist als nahezu völlige Stille, ist 30 dB, 40 dB und so weiter. Ein Klang, der 100-mal stärker ist als nahezu völlige Stille, beträgt 20 dB. The issue is that it’s not just the workplace that we experience loud sounds-it’s also during our commute or while out to dinner or the movies-as well as our use of personal listening devices. Auf der Dezibelskala beträgt der leiseste hörbare Ton (nahezu völliger Stille wahrgenommen) 0 dB. If we need to shout at a friend who is an arm’s length away, or we can hear music coming out of another person’s headphones, the volume is at least 85 dB, which is the maximum “safe level” for workplace noise exposure over the course of an eight-hour day.