Early detection of slight hearing loss in industrial workers can be very rewarding as suitable preventive and corrective steps can be taken to stop further deterioration. Audiometry remains the gold standard, but it can possibly be replaced by 'whispered voice test with masking' as the initial tool. This test specially developed for this dissertation, finds just a single trained person can perform this simple test, by standing facing the individual being tested and whispering through a half face... Mehr