Re: [fluid-dev] SoundFont exclusiveClass

2016-09-13 Thread Dan Eble
On Sep 13, 2016, at 13:45 , Ceresa Jean-Jacques wrote: > This is not the expected result in substractive synthesis practice. In many > case certains frequencies need to be resonant (woods, and horns instrument) > but not necessary to to the detriment of others frequencies. I'am pretty sure >

Re: [fluid-dev] SoundFont exclusiveClass

2016-09-13 Thread Dan Eble
On Sep 13, 2016, at 13:45 , Ceresa Jean-Jacques wrote: > > It seem that we are out of the scope of initial question ?! > Not very. The effect of the filter contributes to the impression that exclusiveClass does not work as expected. — Dan ___ fl

Re: [fluid-dev] SoundFont exclusiveClass

2016-09-13 Thread Ceresa Jean-Jacques
I Dan, >Isn’t this the inverse of what the SoundFont spec says should happen? As the >resonance value is increased, the DC gain should decrease, and the peak should >not move:   Well, and in  this case we obtain a low pass filter, keeping the signal at cuttoff frequency (Fc) with constant lev

Re: [fluid-dev] SoundFont exclusiveClass

2016-09-13 Thread Ceresa Jean-Jacques
Hello Dan   > Is that consistent with the diagram in the spec (version 2.04, section 9.1.8)?   Yes, fluidsynth dsp is consistent with the diagram in the spec. The implementation is slightly adapted, but the result is the same. On the attached file soundfont_dsp.jpg you see the diagram from th