How this works
f = 343/2 × √((nx/L)²+(ny/W)²+(nz/H)²)
Use the result carefully
All-zero indices describe no resonance. Assumes a rectangular room and sound speed of 343 m/s.
Calculations run on your device. No audio uploads, account, or email required. Numerical outputs are rounded for display; these tools do not analyze a recording unless explicitly stated.