Linear time warping

The simplest way to deal with variable duration is to stretch the unknown word to have the same duration as the template.
11 minutes 50 seconds
Excellent 3
Very helpful 2
Quite helpful 5
Slightly helpful 1
Confusing 2
No rating 0
My brain hurts 0
Really quite difficult 0
Getting harder 2
Just right 4
Pretty simple 7
No rating 0