Aerarran aircrew on tarmac at Cork....

Inner ear. Illustration of the sensoryorgans of the human inner ear. The inner earcontains a maze of fluid-filled passages calledthe labyrinth, shown here in blue. At right is thecochlea, a hollow spiral containing microscopichairs that respond to sound vibrations conveyedfrom the mid- dle ear. The near end of the spiralpicks up high- frequency sound; the central (far)end detects low frequency sou...

Where did it come from?

It is a technique that has been around for centuries. It dates as far back as biblical times when hollow reeds from swamp areas where used. It has been passed down from many generations by the Egyptians, the Oriental and European cultures. Unfortunately, it is almost unknown today. The process had been basically lost to common knowledge for many years but has come into...

Reduces sound levels evenly so that music and speech are clear and natural, not muffled as with other earplugs
Reduces risk of hearing damage for many noisy occupations as well as noisy venues, such as airshows, parades, athletic events and motor sports
Enhances the music experience for audiences while protecting hearing
Lets musicians hear their own instrument and their blend with other...