// this example shows how you can clip internally, but make sure
// that the output is in the desired range
// lp 
(
var amp = 1.0;

 { 
 // internal calculation goes to an amp of 2.0
  s = SinOsc.ar(440, 0,amp) + SinOsc.ar(550,0,1.0); // clip the sum
 s  * 0.5 // multiply the output signal by half
 }.scope; 

)