Let us try the following things before proceeding to the next chapter:

• Increase the value of the _gapBetween2Sounds variable to a larger value and see how your prototype behaves
• Decrease the value of the _gapBetween2Sounds variable to a larger value and see how your prototype behaves
• Set the value of the _gapBetween2Sounds variable to zero (0) and see how your prototype behaves