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Distance Attenuation Calculator
Calculate sound level drop over distance using the inverse-square law
Instructions: Enter the initial sound level or intensity at reference distance $d_1$, and the new distance $d_2$ to calculate the attenuation in decibels ($\Delta L$).
Distance & Level Parameters
Calculation Results
⚠️ For acoustics education and sound propagation reference only. Assumes spherical spreading in a free field (inverse-square law).