2011/2/27 Giuseppe Zompatori <silicon...@gmail.com>: > 2011/2/27 Stefano D'Angelo <zanga.m...@gmail.com>: >> >> >> Ciao Giuseppe, > > Ciao Stefano, > >> >> In the FAQ they say it's actually some sort of preamp... but well, I >> can't provide hardware anyway. > > I was merely pointing it out as I don't think there is currently any > other way to do it. > Connecting the guitar directly to the phone with a simple plug adapter > would probably sound meh. > Unless Google wants to add support for external USB sound cards to Android? ;)
Oh well. :-) >> I don't even know if I would charge for such plug-ins and/or release >> them as closed source. Ideally, I would release them under GPL and >> accept donations, but have no idea really. Actually there are a couple >> of plug-ins I could really charge for since they are really beyond >> state of the art and suitable for scientific publications (indeed, >> that's why I'm developing them). They are physics-based simulators: a >> fully parametric tube amp + eq + output transformer + loudspeaker + >> air impedance, and a couple of diode clippers (one is >> tubescreamer-like) - still some pieces are missing at the moment (new >> triode model in the making, oversampling not yet in place, opamp model >> not yet serious). >> > > Sounds cool, I recently bought one of those beasts ( > http://www.fractalaudio.com/products-fa-axefx.html ), and I think it's > amazing, hands down the best amp modeling I've ever heard (and amazing > effects too!) demos are here > http://www.fractalaudio.com/experience.html > > It also does model the power stage section (power tubes->output > transformer<->cabinet interaction) and exposes many parameters to the > user, like tubes bias, negative feedback amount (if any), sag, B+ > filtering/capacitance, even speaker distortion etc. > I'd be happy to compare your plug-ins to the Axe-FX ;) Well... they seem to have a lot of stuff there. :-) However, I wonder how they do it... I think they are probably using some black box modeling, since multiple nonlinearities+feedback in a single system is very hard to model. The kind of stuff I'm trying to do is accurately model a class A amp with a single triode using white box techniques... to give you an idea of what it sounds like see this: http://www.youtube.com/watch?v=cdNtmaIdLdo - it is part of my MSc thesis presentation (100.000 lire guitar, dated and slow laptop, cheap speaker and cheap camera... only the sound card is good). I guess you speak Italian (at least your name suggests that), so enjoy my weird southern accent. :-P > I would personally prefer desktop LV2 versions of your plug-ins, they > could always be ported later to Android if it's going to be worth the > effort. Sure, that would be the path to follow. > And I would prefer GPL'ed plug-ins and be willing to donate, I don't > think there are many options right now on Linux, I dislike rakarrack > and guitar_ix, and find CAPS* so so. Well, they say guitarix has improved, yet the last time I was all but satisfied with it. You may want to take a look at invada plugins, if you haven't already. >> However, correct me if I am wrong, I don't think most Android >> platforms would be suitable for live processing (latency), but only >> for recording (what about quality?). > > Can't help you there, sorry. I have a cheap entry level HTC Tattoo and > it's slow as molasses. Haven't even attempted to install any audio > related apps. It might be feasible on higher end droid phones though > provided the audio API allows it, I just don't know. I think there has > been a recent discussion about realtime audio apps on Android on LAU > if I am not mistaken, you might want to search for it. Ok, thanks. Stammi bene, Stefano _______________________________________________ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev