Re: [iiwusynth-devel] iiwusynth

[Peter Hanappe]

Tim Goetze wrote:
> M. Nentwig wrote:
>
>
> > > yeah, the limiter is a good idea to help out here. however in my
> > > project the synth output signal will feed a DSP chain, and it's far
> > > more flexible to apply the limiter somewhere in that chain than to
> > > have it at a fixed place within the synth.
> > Yes, that's right. Clipping float output data doesn't make sense. I
> > tried to be consistent, when I changed the 16-bit output clipping code
> > (...that prevents the worst damage to ears and equipment), and so floats
> > got clipped, too. I'll fix that.

I removed the limiter for floats. In CVS now.



> i'm not sure how this change will affect the jack audio driver (it
> uses floats too), but afaict it's still better than clipping. and
> iirc jack applies a limiter before sending the signal to the audio
> interface.
>
> [..]

Yes, JACK does add a limiter. I think it's acceptable to say that the a
driver/client calling write_float() should check the ranges (as does
JACK). However, the limiter in write_s16() makes sense.


> > This feature (exclusive groups) is not yet implemented, good that you
> > mention it. I'll have to find a good GM soundfont to try that.

I just checked with the creative labs soundfont and didn't
immediately find an exclusive class preset.
I'll get back to that. It should be hard
to implement. The iiwu_synth_noteon() function should add a
special case for exclusive class presets.


> did i mention the synth hasn't crashed yet? most remarkable. i'm all
> enthused.

Thanks.

Peter



> tim
>
>
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