Ah, so it seems others have bumped into this limitation. Please, Faust devs, implement this! :D
Aaron Krister Johnson Music, etc.: https://soundcloud.com/aaron-krister-johnson https://soundcloud.com/filtercreed https://www.youtube.com/channel/UC_utjGYbSizWE0dNyr0Vdmg https://aaronkristerjohnson.bandcamp.com/ http://www.untwelve.org Code: https://github.com/akjmicro <http://www.untwelve.org> On Thu, Sep 11, 2025 at 2:17 AM <l...@grame.fr> wrote: > Additional reading here: > https://github.com/grame-cncm/faust/discussions/696 > > All of this must be carefully considered... > > Stéphane > > > Le 10 sept. 2025 à 19:26, Aaron Krister Johnson <akjmi...@gmail.com> a > écrit : > > > > P.S. -- and if this is implemented, covering key/vel/velocity, too :D > > > > Aaron Krister Johnson > > Music, etc.: > > https://soundcloud.com/aaron-krister-johnson > > https://soundcloud.com/filtercreed > > https://www.youtube.com/channel/UC_utjGYbSizWE0dNyr0Vdmg > > https://aaronkristerjohnson.bandcamp.com/ > > http://www.untwelve.org > > Code: > > https://github.com/akjmicro > > > > > > On Wed, Sep 10, 2025 at 10:23 AM Aaron Krister Johnson < > akjmi...@gmail.com> wrote: > > Thanks, Stephane, yes, it would be most useful to have a Faust synth > only respond on a declared channel, and `0` (or no specification) being > "listen on all channels". > > > > Would this be in the "options" header, then? > > > > Aaron Krister Johnson > > Music, etc.: > > https://soundcloud.com/aaron-krister-johnson > > https://soundcloud.com/filtercreed > > https://www.youtube.com/channel/UC_utjGYbSizWE0dNyr0Vdmg > > https://aaronkristerjohnson.bandcamp.com/ > > http://www.untwelve.org > > Code: > > https://github.com/akjmicro > > > > > > On Wed, Sep 10, 2025 at 9:00 AM Stéphane Letz <l...@grame.fr> wrote: > > Hi Aaron, > > > > MIDI metadata for standard MIDI control can use MIDI channel: > https://faustdoc.grame.fr/manual/midi/#configuring-midi-in-faust > > > > But it is currently not possible to set a given channel for polyphony, > you can see that the channel info is not used in the polyphonic code for > now: > > > > > https://github.com/grame-cncm/faust/blob/f5c23da4fe6e09fa55667ae588f4b6ef9c226cae/architecture/faust/dsp/poly-dsp.h#L900 > > > > Should we extend/revisit the syntax of freq/gate/gain convention for > something like [freq: chan], [gate: chan], [gain: chan], with the > convention chan = 0 would mean « receive on all channels», like for other > MIDI messages ? > > > > Stéphane > > > > > Le 10 sept. 2025 à 17:35, Aaron Krister Johnson <akjmi...@gmail.com> > a écrit : > > > > > > I notice in the manual, certain MIDI slider metadata operations can be > filtered by a certain MIDI channel, like `keyon` uses the velocity of a > given key on a given channel. > > > > > > But IMO, these kinds of operations seem geared towards a non-standard > way of using a MIDI signal. Most useful mono- or poly- synths would want to > use the general > > > keywords with special meaning: `freq/key`, `gain/vel`, and `gate` to > drive the usually needed MIDI parameters in, for instance, a synthesizer > signal chain. > > > > > > The problem I am having is: I'd like to pair a custom Faust synth with > an outboard analog monosynth. Ideally, I could assign Faust to listen only > on a certain MIDI channel. > > > As it is, it seems like I have to do the opposite: Faust will respond > to _all_ channels (not ideal) and I make the hardware synth respond to MIDI > channel 2. They are isolated only > > > by the fact that they are listening on different MIDI ports > (otherwise, the Faust synth would be "hearing" both channels and trying to > respond to both). What I have works for now, > > > but let's say I want 2 Faust synths -- they'd both be responding to > all channels that particular virtual port is listening on. > > > > > > So, in short: is there an easy way to make a running Faust synth > instance listen only to a particular MIDI channel when it's designed to use > the keywords `freq`, `gain`, and `gate`, > > > per the docs? How easy would it be to hack Faust or add a feature for > users for this if not? > > > > > > Aaron Krister Johnson > > > Music, etc.: > > > https://soundcloud.com/aaron-krister-johnson > > > https://soundcloud.com/filtercreed > > > https://www.youtube.com/channel/UC_utjGYbSizWE0dNyr0Vdmg > > > https://aaronkristerjohnson.bandcamp.com/ > > > http://www.untwelve.org > > > Code: > > > https://github.com/akjmicro > > > _______________________________________________ > > > Faudiostream-users mailing list > > > Faudiostream-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/faudiostream-users > > > >
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