frac32.bipolar pitch
frac32 timbre
frac32 color
frac32buffer.bipolar sine wave
frac32.u.map timbre
frac32.u.map color
frac32.s.map.pitch pitch
braids_digital_deriv::Fm osc;
osc.Init();
osc.set_parameters(__USAT((inlet_timbre + param_timbre) >> 12, 15),
__USAT((inlet_color + param_color) >> 12, 15));
osc.set_pitch((64 << 7) + ((param_pitch + inlet_pitch) >> 14));
osc.Render(0, &outlet_wave[0], BUFSIZE);