1
2declare name "organ -- a simple additive synth";
3declare author "Albert Graef";
4declare version "1.0";
5
6import("music.lib");
7
8// control variables
9
10vol	= hslider("vol", 0.3, 0, 10, 0.01);	// %
11pan	= hslider("pan", 0.5, 0, 1, 0.01);	// %
12attack	= hslider("attack", 0.01, 0, 1, 0.001);	// sec
13decay	= hslider("decay", 0.3, 0, 1, 0.001);	// sec
14sustain = hslider("sustain", 0.5, 0, 1, 0.01);	// %
15release = hslider("release", 0.2, 0, 1, 0.001);	// sec
16freq	= nentry("freq", 440, 20, 20000, 1);	// Hz
17gain	= nentry("gain", 0.3, 0, 10, 0.01);	// %
18gate	= button("gate");			// 0/1
19
20// additive synth: 3 sine oscillators with adsr envelop
21
22process	= (osc(freq)+0.5*osc(2*freq)+0.25*osc(3*freq))
23  * (gate : vgroup("1-adsr", adsr(attack, decay, sustain, release)))
24  * gain : vgroup("2-master", *(vol) : panner(pan));
25