I'm not too sure what your asking but here are two answers that may help. The ear drum amplifies the vibrations. The cochlea changes vibrations into electric signals.
This is a conversion problem. 760 Torr is equal to 1 atmosphere. so we can can solve now. 5,550torr*(1atmosphere/760torr)=7.3atmospheres. since the two torrs cancel out with cross multiplication we are left in atmosphere units.
