![]() A sound source such as a microphone, public address system, or home TV or telephone transmits amplified sound through the loop. This technology involves a thin loop of wire that circles a room. Types of assistive listening devices include: Many listening devices now work through a wireless link and can connect directly to your hearing aid or cochlear implant. This can improve your hearing in one-on-one conversations or in classrooms or theaters. These devices bring certain sounds directly to your ears. Assistive technology helps people with hearing loss understand what is being said and communicate more easily. When many sounds are all mixed together in a room, it is harder to pick up the sounds you want to hear. ![]() Completely-in-canal (CIC) devices are mostly hidden in the ear canal.Īn audiologist will help you choose the proper device for your hearing needs and lifestyle. These hearing aids are made to fit the size and shape of the person's ear. This makes hearing over the telephone easier. ITE hearing aids may use an electronic coil called a telecoil to receive sound rather than a microphone. With this type of hearing aid, the hard plastic case holding the electronics fits completely inside the outer ear. ![]() Instead it is connected to a narrow tube that fits into the ear canal. In the newer style open-fit hearing aids, the behind-the-ear unit doesn't use an ear mold. The ear mold projects sound from the hearing aid into the ear. It is connected to an ear mold that fits into the outer ear. The electronic components of the hearing aid are contained in a hard plastic case that is worn behind the ear. The amplifier increases the strength of the signals and transmits them into the ear through a speaker. The sounds are received through a microphone which converts the sound waves into electric signals that are sent to an amplifier. It amplifies sounds so that you are better able to communicate and participate in everyday activities. ![]() A hearing aid is a small electronic device that fits in your ear or behind it. ![]()
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