90 dB is about the level of a loud, but not quite shouted, conversation from a few feet away. Across a lake I would expect that to travel several miles, over a flat open field a couple of miles, through light woods a few hundred yards, through heavy woods after a heavy snow fall maybe 50 yards.
17 июн. 2022 г.
2 июн. 2019 г. · In an open outdoor environment, a 100-decibel noise can be audible from several hundred meters away. How far away can you hear 100 dB music? - Quora How many decibels of noise can be heard about 1 km far for ... How loud does a sound have to be heard 1000 km away? Другие результаты с сайта www.quora.com |
6 нояб. 2024 г. · For example, a 90 dB sound will be more damaging from a foot away than a 100 dB sound would be from 50 feet away. However, unless you're ... |
Therefore, you will generally be able to hear a 100 dB sound at a maximum of 16 meters. |
Any exposure to sounds over 140 dB is considered unsafe for humans, and continued exposure to noises over 85 dB also will put your hearing in danger. |
24 июл. 2024 г. · The distance attenuation calculator finds how the sound level in dB decreases with distance from the sound source. |
Therefore, under normal conditions, you will probably be able to hear an 80 dB up to 100 feet or 30 meters. What Is 80 Decibels? · dB Noise Compared to Other... |
7 мая 2024 г. · A decibel chart shows the intensity levels of common environmental sounds, which range from 0 dB to 140 dB (the threshold of pain). |
Problem 1.- You are 2.5m away from the speakers of a TV set (a vintage one in the figure) and you hear the sound at a level of 90 dB. How far away do you ... |
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