The Distance Attenuation Calculator serves as a valuable tool for those seeking to determine the decrease in sound level measured in decibels (dB) as a function of distance from a sound source. This application excels in providing precise and timely calculations, making it a reliable resource for students, professionals, and enthusiasts in the fields of physics and acoustics.
Key Features:
- Instantaneous calculation capabilities
- Results can be easily copied for use in other applications
- Includes relevant formulas for user reference
- Accommodates precision up to 16 decimal places
- Supports multiple units for diverse input parameters
Distance attenuation is fundamentally the reduction of sound level in dB as an observer moves further away from a sound source. As sound propagates, it radiates outward, causing the energy to be distributed over an increasing area, much like ripples spreading across water. Consequently, this dispersal leads to a decrease in sound intensity as the distance from the source increases.
The formula governing sound attenuation is outlined 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
Overview
Distance Attenuation Calc is a Commercial software in the category System Utilities developed by Nitrio.
The latest version of Distance Attenuation Calc is 1.2, released on 01/08/2025. It was initially added to our database on 01/08/2025.
Distance Attenuation Calc runs on the following operating systems: iOS.
Users of Distance Attenuation Calc gave it a rating of 4 out of 5 stars.
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