For more than 40 years, noise exposure in the workplace has been regulated in the United States.

Personal listening devices (PLDs) have become ubiquitous.

The human ear is the envy of even the most sophisticated acoustic engineer.

Working locations for military personnel differ dramatically from those experienced by industrial workers, but the noise problems they face are remarkably similar.

Research has shown that worker self-efficacy is an important factor in the use of hearing protection.

As soldiers return from active combat in Iraq and Afghanistan, both the U.S. Department of Defense (DoD) and Veterans Administration (VA) have seen a significant increase in hearing damage, tinnitus and hearing loss compensation claims of active-duty soldiers and veterans — to the tune of $1.1 billion.