--- /dev/null
+declare name "osci";
+declare version "1.0";
+declare author "Grame";
+declare license "BSD";
+declare copyright "(c)GRAME 2009";
+
+//-----------------------------------------------
+// Sinusoidal Oscillator
+// (with linear interpolation)
+//-----------------------------------------------
+
+import("music.lib");
+
+smooth(c) = *(1-c) : +~*(c);
+vol = hslider("volume [unit:dB]", 0, -96, 0, 0.1) : db2linear : smooth(0.999) ;
+freq = hslider("freq [unit:Hz]", 1000, 20, 24000, 1);
+
+
+process = vgroup("Oscillator", osci(freq) * vol);