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Distance Attenuation Calc

Distance Attenuation Calculator are physic/math calculator to find sound level in dB decreases with distance from the sound source fast and easy

Distance Attenuation Calculator are physic/math calculator to find sound level in dB decreases with distance from the sound source fast and easy

Distance Attenuation Calc

by Nitrio
Distance Attenuation Calc
Distance Attenuation Calc
Distance Attenuation Calc

What is it about?

Distance Attenuation Calculator are physic/math calculator to find sound level in dB decreases with distance from the sound source fast and easy.

Distance Attenuation Calc

App Details

Version
1.0
Rating
NA
Size
15Mb
Genre
Utilities Productivity
Last updated
July 30, 2018
Release date
July 21, 2018
More info

App Screenshots

Distance Attenuation Calc screenshot-0
Distance Attenuation Calc screenshot-1
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Distance Attenuation Calc screenshot-4

App Store Description

Distance Attenuation Calculator are physic/math calculator to find sound level in dB decreases with distance from the sound source fast and easy.

Features:
- Instant calculation
- Result are copy able to other app
- Formula are include as reference
- Support up to 16 decimal place
- Support various unit for each input

Distance attenuation is defined as the way in which a sound level [dB] reduces as a listener moves away from a sound source. As sound travels from the source, the area over which the sound is spread increases like ripples on a pond. This means that the same amount of acoustic energy is dispersed over a greater area, and as a result the sound level at any position on this area reduces as the distance from the source is increased.

Sound attenuation describes how the SPL [dB] changes with increasing distance from the sound source.

The sound attenuation formula is as follows:

SPL₂ = SPL₁ - 20 * log (D₂ / D₁)

where:
SPL₁ - Sound Pressure Level [dB] at point 1
SPL₂ - Sound Pressure Level [dB] at point 2
D₁ - Distance from the sound source to point 1
D₂ - Distance from the sound source to point 2

*This is a universal app that work for both iPhone and iPad.

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