Hello Bernat, Sorry it took me so long to answer your question. Unfortunately I'm not sure currently what exactly causes this issue and I haven't yet really put any time into figuring it out yet either. As you mentioned though, it does indeed seem like its a distortion that occurs even though the sound card output is not maxed, which would indicate internal distortion of some sort. I suspect it might have to do with reverb or chorus (try turning them off) or perhaps with the volume attenuation of samples and how they are mixed.
I've added a ticket for this issue here: http://fluidsynth.resonance.org/trac/ticket/13 I'm currently working on getting Swami 2.0 released after which I'll be putting some more time into FluidSynth. Thanks for reporting this issue and your other findings. Josh On Mon, 2008-03-17 at 02:03 +0100, Bernat Arlandis i Mañó wrote: > I've done some more investigation. Connecting Fluidsynth output to > Rezound I've saved the waveforms with lower gain (no distortion) and > higher gain (with distortion). I've always avoided clipping that occurs > at very high gain levels. I've used piano soundfonts, mainly the > "Microfont piano collection (6MB)" soundfont. > > I've compared the same sound with distortion and without distortion and > I've discovered that the distortion is caused by the gain changes alone, > but I don't know why some samples don't get distorted. For example, the > "triangle simple" preset in Vintage Dreams soundfont can be maxed with > gain 140 without any distortion before it starts clipping. > > I'm not an audio expert and I certainly missing something. I've tried to > ensure soundcard and speakers are not the problem. I can supply the wave > files tested. Please, could someone throw some light? > > Thank you. > _______________________________________________ fluid-dev mailing list fluid-dev@nongnu.org http://lists.nongnu.org/mailman/listinfo/fluid-dev