THD Calculator

Calculation of the Total Harmonic Distortion & Psychoacoustic Audio Analysis

Set the fundamental frequency of the signal and the harmonic levels in decibels:

Fundamental Frequency (f₁, Hz):

Fundamental (1st Harm., dB):

1000 Hz

2nd Harmonic (dB, Even):

2000 Hz

3rd Harmonic (dB, Odd):

3000 Hz

4th Harmonic (dB, Even):

4000 Hz

THD: -- % (-- dB)

Even Harmonics: --% | Odd Harmonics: --%

—

Sound Character: —

Enter your data and click the calculate button.

FFT Power Spectrum (dB)