With the advent of my country’s aging society, there are 60 million people over 1.3 years old, and 30% of them suffer from hearing impairment.Senile hearing loss and ear disease have become important factors affecting the quality of life of the elderly in their later years.
(6) In a noisy environment, the elderly have a worse understanding of language.Even if the elderly have little loss of hearing acuity, in a noisy reverberant environment, their difficulty in understanding speech is much greater than that of young people with normal hearing.For the elderly with hearing loss, it is more difficult for them to understand speech.
