What strikes me is distorted in _which_ sense? Without a training example (i.e. one distorted and one non-distorted tune). In particular each waveform is a non-

What strikes me is distorted in _which_ sense? Without a training example (i.e. one distorted and one non-distorted tune). In particular each waveform is a non-distorted version of itself. I am not in musics (or not an American), so I am missing all cultural "obvious truths". But perceptually, there are _differences_ than can be spotted, and tastes, but not "ground truths".