We use our senses (hearing, seeing, tasting, touching and smelling) to learn about what’s going on in the world around us. In ancient times, a person’s survival depended upon being able to hear and see dangers in the environment.
A revolution is in the offing for deaf and hearing-impaired people with scientists testing a new mobile device which they claim will transmit American Sign Language over cellular networks.
These other conditions can result in significant additional handicaps to a hearing handicap. Because hearing impairment varies so greatly, it is not possible to generalise about interacting with people with significant hearing impairment and it is not possible
They may not have the power of speech, but education would soon empower over 40 lakh hearing impaired adult students in the country.