Distance Attenuation Calc

Sound Level dB in Distance

Published by: Nitrio
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Description

The Distance Attenuation Calculator is a physics/math calculator designed to find the sound level in dB decreases with distance from the sound source quickly and easily.
Features:
- Instant calculation
- Results are copyable to other apps
- Formulas are included as reference
- Supports up to 16 decimal places
- Supports various units 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
Thanks for your support, and do visit nitrio.com for more apps for your iOS devices.
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Distance Attenuation Calc FAQ

  • Is Distance Attenuation Calc free?

    Yes, Distance Attenuation Calc is completely free and it doesn't have any in-app purchases or subscriptions.

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  • How much does Distance Attenuation Calc cost?

    Distance Attenuation Calc is free.

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Distance Attenuation Calc Reviews

Loved it - now not so much

NotMyPad on

United States

Might be IO updates but can’t change values anymore

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