class:: NumRunningSynths summary:: Number of currently running synths. related:: Classes/NumAudioBuses, Classes/NumControlBuses, Classes/NumBuffers, Classes/NumInputBuses, Classes/NumOutputBuses categories:: UGens>Info Description:: Number of currently running synths. classmethods:: method::ir Examples:: code:: // example: frequency is derived from the number of synths running ( SynthDef("numRunning", { arg out; Out.ar(out, SinOsc.ar(NumRunningSynths.ir * 200 + 400, 0, 0.1)); }).add; ) s.sendMsg("/s_new", "numRunning", -1, 0, 0); s.sendMsg("/s_new", "numRunning", -1, 0, 0); s.sendMsg("/s_new", "numRunning", -1, 0, 0); s.sendMsg("/s_new", "numRunning", -1, 0, 0); ::