user13703: What is the use of noTone() function as the duration for which the note must be played can be specified using the third argument of note() function.

user368: So that you can terminate the output prematurely, e.g. during an interrupt.

13703: <p>What is the use of noTone() function as the duration for which the note must be played can be specified using the third argument of note() function.</p>
 368: <p>So that you can terminate the output prematurely, e.g. during an interrupt.</p>
