>>>>> "Graham" == Graham Percival <gra...@percival-music.ca> writes:
Graham> On Fri, Apr 15, 2011 at 12:54:53PM +1000, Peter Chubb wrote: David> A fixed ratio seems a mistake to me: like optical scaling of David> fonts, the ratio should depend on the length of the note as David> well as the speed of the piece. And one does not want to have David> chords end early in one voice merely because the voice had a David> longer note starting the chord. >> >> I agree, but that's really hard to implement. Maybe if Grahame's >> virtual violinist can turn into a virtual orchestra, and interpret >> music properly (instead of just playing whatever Lilypond produces >> like a robotic MIDI player).... but I think that's a long way off. Graham> Yes, it's a long way off. I'm not intending to touch Graham> expressive music performance at all in my PhD; rather, I'll Graham> make tools which all humans to direct the computer's Graham> performance as easily as possible. (which may still not be Graham> very easy!) Indeed. Graham> The catch-phrase for this is "let machines do what machines Graham> are good at; let humans do what humans are good at". :) Graham> Humans aren't good at manually specifying physical parameters Graham> every 0.006 seconds, but they _are_ good at correcting the way Graham> that notes are played (generally every 0.2 - 2.0 seconds, at Graham> least for monophonic violin music). Graham> As for other instruments: I'm hoping to get physical Graham> measurements of a viola and cello during the summer. It would Graham> be a blast to work on other instruments (clarinet, oboe, Graham> horn), but that would require physical modelling code for Graham> them. At the moment, the only open source code that I'm aware Graham> of for clarinet is STK... but as I type this, I recall that Graham> although the STK string model uses an algorithm from 1986, the Graham> clarinet one is 1998 or 2002. So maybe that's a feasible Graham> thing to investigate. A clarinet would be way cool. Recorders and portative organs shouldn't be too hard either. But there's always tendency to get distracted while doing a PhD. Try not to be! Peter C _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org http://lists.gnu.org/mailman/listinfo/lilypond-user
