Free Acoustic Calculators — SoundPLAN Asia
Free online tools for quick acoustic calculations.
Available Calculators
- Decibel addition — Add multiple noise sources (logarithmic addition)
- Noise dose — Calculate daily noise exposure (Lex,8h)
- Distance attenuation — Point and line source propagation
- Hearing protection — Required HPD attenuation (SNR, HML, octave methods)
Explore SoundPLAN software for full noise mapping projects.