Where some people hear noise, other people hear cash registers ringing, but as complaints pile up about excessive sounds this summer — especially in beleaguered Montauk — we can’t help but wonder if the pervasive din will begin to have a downward effect on real estate. In keeping with the theme of a community overrun and getting out of control, which we have heard in casual conversations just about everywhere in recent weeks, the general volume seems turned up to 11 (to give a tip of the cap to “This is Spinal Tap.”)