So about 90 times as much. And that is equivalent to about 20 decibels. So now let's move on to our inner portion of the ear. So the staples is connected to another membrane that is part of the inner ear known as our oval window. So this membrane, connected to the staples bone, is known as the oval window. So as the pressure, the pressure wave hits the eardrum, it causes each one of these bones to basically vibrate.