Outdoor Noise Barrier Calculator
Calculate sound barrier insertion loss using the Maekawa method with Fresnel number analysis for outdoor noise barriers.
Inputs
Results
Insertion loss (dB)
14.74
Fresnel number (N)1.34
Path difference (m)0.46
Wavelength (m)0.69
Effective barrier height (m)2.5
How to Use This Calculator
- Enter Barrier height (m), Source to barrier (m), and Barrier to receiver (m).
- Set Source height (m), Receiver height (m), and Frequency (Hz).
- Review the Insertion loss (dB) result.
- Use Fresnel number (N) and Path difference (m) to inform your decision.
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