How Hearing Impaired Telephones Work
Blame it on loud rock concert , workplace noise or genetic endowment , but for many hoi polloi – particularly Baby Boomers – the sound coming through atelephonereceiver has become a lot quieter . For others who are deaf or very hard of hearing , the challenge is find a telecommunication system of rules they can utilise to link up by telephone with the auditory modality earth . weigh the numbers : About 30 percent of masses over age 60 and 50 percent of those over age 85 have hearing red ....