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How does the sound decrease with distance? sound …
http://www.sengpielaudio.com/calculator-SoundAndDistance.htm
In a direct field or free field, the sound level (SPL) of a spherical wave decreases with doubling of the distance by (−)6 dB. The sound pressure decreases in inverse proportion to the distance, that is, with 1/r from the measuring point to the …
Sound level distance damping decibel dB damping ...
http://www.sengpielaudio.com/calculator-distance.htm
Often we talk only of sound level.However, sound pressure as a sound field quantity is not the same as sound intensity as a sound energy quantity. Levels of sound pressure and levels of sound intensity decrease equally with the distance …
Anyone Knowledgeable on Sound Decibels and How They …
https://www.tinnitustalk.com/threads/anyone-knowledgeable-on-sound-decibels-and-how-they-drop-over-distance.10663/
Doubling the distance between sound and your ear will reduce the decibel level by just over 6 dB and 10x the distance drops sound intensity by 20db. Other factors come into play such as obstacles which can dampen sound and reflective surfaces which can add more sound. A 100db noise at about roughly 7-10ft would reduce to 80db at around 65-70 feet.
Why Does (Sound) Volume Decrease with Distance? Does Light ...
https://www.reddit.com/r/askscience/comments/1lnepc/why_does_sound_volume_decrease_with_distance_does/
Since the area of a sphere is given by 4πr 2, this means that the intensity (see below) of the wave will decrease as a function of 1/r 2; as a you get further from the source of sound, loudness will drop off as the square of that distance. Second, because, as I mentioned, your ear only measures the power at one point along the wave, it's more ...
Sound levels – decibels, intensity and distance
https://www.schoolphysics.co.uk/age16-19/Sound/text/Sound_levels_and_distance/index.html
A decrease in distance would lead to an increase in the decibel level giving a plus sign for the decibel change. The graphs below show the variation of both the sound level intensity and the decibel level with distance from the source of sound taking a decibel level of 80 dB at 20 m.
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