One possible advantage is if you hear the characters' voices, they can put much more emotion into the script and give it feeling.
Pickett's charge
This was an infantry assault ordered by confederate general Lee against union General Maj. Gen. George G. Meade's Union positions on July 3, 1863, which was the last day of the Battle of Gettysburg.The battle resulted to a major victory for the union soldiers and after the battle,the confederate had lost both politically and militarily.
<u><em>She is nagging and controlling,</em></u>
because in the excerpt you portrayed, Mitty's wife is demanding to Mitty is is really pushy.
-Hunter