Get number of intervals..
(line 25, for setting up your for loop)Get label of interval..
(line 30, for identifying a segment based on its number)Get starting point..
and Get end point… (lines 35-36, for determining where an interval starts and ends so you know where to make measurements)Get interval at time..
(line 43, for getting the number of an interval when you know the time, in this case for getting the word after we know the time of phone)