THD Meter is a free metering VST, VST3, Audio Unit plugin developed by MathAudio. Compatible OS(s): Windows 64b, macOS.
MathAudio THD Meter plug-in:
- Measures Total Harmonic Distortion (THD) in sound cards, speakers and headphones.
- Applies matched filters for maximizing the signal-to-noise ratio (SNR) in the presence of additive stochastic noise.
- Supports microphone calibration files.
- Supports full range of sample rates from 44.056 kHz up to 384 kHz. All sample rates are supported without resampling to avoid any possible loss in accuracy.
https://mathaudio.com/