On Sun, Dec 04, 2005 at 07:41:12PM -0500, Ron Kuper wrote: > IMO the host should also set VID's (or whatever you name these "IDs") to > match the composer's intent. synth will interpret based on the patch in > use, and some hosts will be dumb and treat voices like channels. But the > intent of VID's should be for hosts to specify polyphony, articulation and > post-note-on changes. I think that you and I are in agreement, then. > ----- Original Message ----- > From: <thockin@xxxxxxxxxx> > To: <gmpi@xxxxxxxxxxxxx> > Sent: Sunday, December 04, 2005 6:06 PM > Subject: [gmpi] Re: Parameters / controls / GMPI event system - refreshment > > > >On Sun, Dec 04, 2005 at 08:46:58AM +1300, Jeff McClintock wrote: > >>>>Isn't the easiest solution to re-use a VID? > >>>> > >>>>Note-On VID 0 G4 > >>>>Note-On VID 0 G4 > >>>>Note-On VID 0 G4 > >>>>Note-On VID 0 G4 > >>> > >>> Again, this solves *this* problem but breaks the truly polyphonic mode > >>> of > >>> operation. How do you reconcile that? > >> > >>I'm saying the point of VID is that they give the *sender* the choice: > > > >And I think the sender owning the decision is wrong - it's dependant on > >the patch. HOWEVER - you make an interesting use case here. > > > >>This score requires a solo trumpet... > >> > >>Note-on VID 0 G4 > >>... > >>Note-on VID 0 G4 > >>... > >>Note-on VID 0 A4 > >> > >>This score requires a trumpet trio > >> > >>Note-on VID 0 G4 > >>... > >>Note-on VID 1 G4 > >>... > >>Note-on VID 2 A4 > >> > >>Same patch, same notes, different *intention*. > > > >Right. But if the trumpet patch you use doesn't support polyphony > >(because hey - it's a trumpet), then these two are the same, regardless of > >your intentions. > > > >>Yes I agree, a piano patch, fed a non-challenging score could figure out > >>which voices to allocate. > >> A guitar however can't, each string supports an overlapping range of > >>pitches, each string is independently bendable, power-chords > >>deliberately use the same pitch on two strings. > >> > >>A guitar-synth needs explicit help allocating pitches to the correct > >>string... > > > >We've already established that guitar synths are special, and a reasonable > >answer is to do 1 string per channel. > > > >>The musician can switch-off keyboard-style VVID allocation. > >> > >>He should have a range of possible VVID assignments schemes including: > >>-keyboards score mode > >>-solo score > >>-one-voice-per-note-in-the-score-mode > > > >OK. I think already said this, but this sounds fine to me. The host can > >provide this explicit VPID re-use (as a feature). This isn't part of the > >spec, I think, but a good thing to have worked out. > > > >Tell me if this sounds right, just as an example, sticking with the above > >use case: > > > >This score requires a solo trumpet. The host sequences notes that are > >explicitly tied together, somehow. The user explicitly connected the > >notes. > > > >Note-on VPID(0) G4 > >Note-on VPID(0) G4 > >Note-on VPID(0) A4 > > > >This score requires a trumpet trio. The host sequences individual notes. > > > >Note-on VPID(0) G4 > >Note-on VPID(1) G4 > >Note-on VPID(2) A4 > > > >>ALL GMPI synths should respond the same simple way: > >>-new VVID = assign new real-voice > >>-re-used VVID = re-use real voice (internal voice limit allowing) > >> > >>That's my take anyway. > > > >This is the only thing I disagree with - re-using a VPID is a suggestion > >to the plugin about the relationship between voices. The plugin can > >choose to re-use the real voice or not, as it makes sense. The example > >trumpet synth above would choose to re-use voices with re-used VPIDs. > > > >Does that taint your model too much? > > > >I'm still working on an animation. > > > >>thockin@xxxxxxxxxx wrote: > >>>On Sat, Dec 03, 2005 at 06:56:41PM +1300, Jeff McClintock wrote: > >>> > >>>>floorf(pitch) on the 2nd note to determinin which (real) voice to > >>>>steal. > >>>> > >>>>What if I'm using a micro-tonal scale with say 24 pitches per octave ( > >>>>0.5 semitones per key). > >>>> > >>>>Won't your scheme steal the wrong voice? > >>> > >>> > >>>It might, but if you are using a microtonal scale you sould have to > >>>substitute your own function for floorf() to round to the nearest pitch. > >>> > >>> > >>>>Isn't the easiest solution to re-use a VID? > >>>> > >>>>Note-On VID 0 G4 > >>>>Note-On VID 0 G4 > >>>>Note-On VID 0 G4 > >>>>Note-On VID 0 G4 > >>> > >>> > >>>Again, this solves *this* problem but breaks the truly polyphonic mode > >>>of > >>>operation. How do you reconsile that? > >>> > >>>Tomorrow I'll get a better animation of what I mean, and I think you'll > >>>all say "oh! that's what he meant." > >>> > >>>Tim > >>> > >>>---------------------------------------------------------------------- > >>>Generalized Music Plugin Interface (GMPI) public discussion list > >>>Participation in this list is contingent upon your abiding by the > >>>following rules: Please stay on topic. You are responsible for your > >>>own > >>>words. Please respect your fellow subscribers. Please do not > >>>redistribute anyone else's words without their permission. > >>> > >>>Archive: //www.freelists.org/archives/gmpi > >>>Email gmpi-request@xxxxxxxxxxxxx w/ subject "unsubscribe" to unsubscribe > >>> > >>> > >>> > >> > >> > >>---------------------------------------------------------------------- > >>Generalized Music Plugin Interface (GMPI) public discussion list > >>Participation in this list is contingent upon your abiding by the > >>following rules: Please stay on topic. You are responsible for your own > >>words. Please respect your fellow subscribers. Please do not > >>redistribute anyone else's words without their permission. > >> > >>Archive: //www.freelists.org/archives/gmpi > >>Email gmpi-request@xxxxxxxxxxxxx w/ subject "unsubscribe" to unsubscribe > >> > > > >-- > >Tim Hockin > >thockin@xxxxxxxxxx > >Soon anyone who's not on the World Wide Web will qualify for a government > >subsidy for the home-pageless. > > > >---------------------------------------------------------------------- > >Generalized Music Plugin Interface (GMPI) public discussion list > >Participation in this list is contingent upon your abiding by the > >following rules: Please stay on topic. You are responsible for your own > >words. Please respect your fellow subscribers. Please do not > >redistribute anyone else's words without their permission. > > > >Archive: //www.freelists.org/archives/gmpi > >Email gmpi-request@xxxxxxxxxxxxx w/ subject "unsubscribe" to unsubscribe > > > > > ---------------------------------------------------------------------- > Generalized Music Plugin Interface (GMPI) public discussion list > Participation in this list is contingent upon your abiding by the > following rules: Please stay on topic. You are responsible for your own > words. Please respect your fellow subscribers. Please do not > redistribute anyone else's words without their permission. > > Archive: //www.freelists.org/archives/gmpi > Email gmpi-request@xxxxxxxxxxxxx w/ subject "unsubscribe" to unsubscribe > -- Tim Hockin thockin@xxxxxxxxxx Soon anyone who's not on the World Wide Web will qualify for a government subsidy for the home-pageless. ---------------------------------------------------------------------- Generalized Music Plugin Interface (GMPI) public discussion list Participation in this list is contingent upon your abiding by the following rules: Please stay on topic. You are responsible for your own words. Please respect your fellow subscribers. Please do not redistribute anyone else's words without their permission. Archive: //www.freelists.org/archives/gmpi Email gmpi-request@xxxxxxxxxxxxx w/ subject "unsubscribe" to unsubscribe