Hi! The aim is to make measurement laboratory, in particular, to measure distortions of audio amplifier. Using JACK, I can route line ins/outs, find clean sine signal and get amplified one, and then route last to... Well, the questions are: - are there some graphical FFT frontend to see signal harmonics? - has anybody success experience here? - are there some caveats and traps in such measurement? I have 24/96 card (Terrateck Aureon 7.1) with (as I think :-) good DAC/ADC. So, measurements accuracy may be rather high. Is it so? Thanks! Andrew
