Of all hearing difficulties, the has the greatest impact on life satisfaction. inability to hear at high frequencies inability to detect soft sounds age-related decline in speech perception responsiveness to startling noises

The high-frequency hearing loss is the high frequency hearing loss when a person loses their ability to hear sounds at the upper end of the alphabet frequencies. For people with HFHL, it can be as if someone has removed certain letters from you in speech. This makes it difficult for them to hear someone with a hearing loss on that frequency.