[linux-audio-dev] [ANN] QLoud v.0.17 - harmonics (distortions) plotting is added

Andrew Gaydenko a at gaydenko.com
Fri Sep 22 22:56:24 UTC 2006

QLoud is a tool to measure loudspeaker frequency response and (yes!) distortions.
Find it here: 



- harmonics (distortions) plotting is added,
- as a result, noticeable part of common code was refactored/rewritten.

Direct screenshot link to harmonics plot:


If you have a sound card with good DAC and ADC, you can plot harmonic
distortions for another audio equipment, say, for your power amplifier -
cited screenshot has also harmonics plot for loopbacked sound card.


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