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📡 Acoustic Horizon Calculator
Calculate the maximum recording distance where a sound source remains usable above the ambient noise floor. Accounts for inverse square law and atmospheric absorption.
Source & Environment
dB SPL
dB SPL
Hz
°C
%
Calculations assume free-field (outdoor) conditions with no reflections. Indoor environments, wind, and terrain will affect actual results. Atmospheric absorption uses a simplified ISO 9613-1 model.
We hope this tool is helpful! Feel free to explore our sound libraries too.