faust-最基础的音量LFO

import("stdfaust.lib");

volume_lfo = os.osc(hslider("lfo_rate",0,0,16,1));
process = os.osc(440) *volume_lfo;

 lfo极性修正版本

import("stdfaust.lib");
volume_lfo = os.osc(hslider("lfo_rate",0,0,16,1)):abs;
process = os.osc(440) *volume_lfo;