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 the spec. On the attached file fluidsynth_dsp.jpg you see the real implementation. The only difference is that the 'Amplifier' is connected to the Filter input. The reason is that 'volume envelope', 'lfo' and 'ampitude' are the first 'things' computed, and if the resulting amplitude level is below a 'low level', that means that the output will be near 0, so it is not necessary to compute the others dsp function (oscillator & filter). regards jjc
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