[fluid-dev] Re: fluidsynth on mac OS X

[Ebrahim Mayat]

Josh

> > Ideally, I would like to use fluidsynth in a live or quasi-live 
> > setting using a laptop.
>
> I've used it in this manner before. I have a USB MIDI controller 
> keyboard that I connect to my laptop (it has lots of knobs for
> connecting to FluidSynth via modulators, which I use Swami to create, 
> I hacked a "global modulators" feature that works nicely so you don't 
> have
> to create modulators for every instrument). I enjoy playing this way,

That sounds great!!!!

> but I think there is still some work that needs to be done with the 
> synthesis. Its really good at the moment, but there are likely some
> areas of improvement. I think FluidSynth could use some validation and 
> waveform verification. This could be done by looking at the actual
> waveform using very specific sample data (square wave, sine wave, saw, 
> etc) and then modulating the various effects to make sure its 
> responding
> within SF2 specs.


You're thinking of adding an oscilloscope window?


> > I am also looking into how I could use fluidsynth as a pure sound
> > source as opposed to a source of MIDI data. Perhaps, you could save me
> > some time and give me a few pointers on this.
> >
> > This is what I get:
> > > ebrahimm% fluidsynth
> > > /Users/ebrahimm/Desktop/sf2demos/VintageDreamsWaves-v2.sf2
> > > fluidsynth: warning: Ignoring sample SineWave: can't use ROM samples
> > > fluidsynth: debug: Using 'coreaudio' audio driver
>
>
> Notice: Its using the coreaudio driver, not Jack. You probably need to
> run FluidSynth with "-a jack", note that the jack audio server needs to
> be running. It would be interesting though to get your input about what
> it sounds like with the coreaudio driver. Last I tried it, it sounded
> very bad (lots of static, even after turning the FluidSynth gain way
> down).
I'll get back to you on that.

> > Alternatively, if I try
> >
> > > % fluidsynth
> > > (snip)
> > > > load /path/to/VintageDreamsWaves-v2.sf2
> > > fluidsynth: warning: Ignoring sample SineWave: can't use ROM samples
> > > loaded SoundFont has ID 0
> > > >
> >
> > This seems to work. Now, what commands can I use to produce some 
> > sound?
>
> noteon 0 60 127
> noteoff 0 60

Thanks for the feedback.
Ebrahim