how to isolate the audio output?

Other Hardware Audio
1

In my device the Tone() function is working well but sometimes i get some noise from the system (weird electric noises). Its something i can do to minimize this in order to have a clean audio?

thanks

2

You can 'gate' the tone output pin:

GateTone.jpg
GateTone.jpg960×720 19.1 KB

3

thanks a lot !! this is the solution i was looking for!