At present days many people are facing the problem of hearing due to external and internal ear problems. A hearing aid is a perfect solution to the problem to improve the hearing capacity. Earlier days ear trumpets or ear horns are used instead of hearing aids that will deliver the entire sound in the environment to the ear directly but now hearing aids transform the entire environmental sound to make the sound immensely clear. These are designed based on the fit and the style and also visibility of the individual, which are the best solution to the hearing loss. It amplifies the sound in the environment and delivers the sound to the ears.
There are different types of hearing aids based on the fit, visibility and the design that are suitable to the skin tone also. These hearing aids will provide the best comfort in hearing with minimizing the outside sound.
There are two different hearing aids based on the difference in the technology used such as the analogue hearing aids which increases the levels of all types of sound reducing the noise and also adjust the sound in different environments. The second is the Digital hearing aids which deliver the sound which convert the sound waves into the digital signals. The first electrical hearing aid was introduced in the year 1896 which used the carbon microphone of the telephone. But they deliver all the sound including the noise around the environment. But the modern hearing aids will reduce this noise and delivers the necessary sound which can also be adjustable.
A directional microphone is one of the salient features of the hearing aids. In many omnidirectional microphone the sound is amplified equally from all the directions and does not filter the noise delivers the sound with noise directly. But the directional microphones will deliver only the sound filtering the noise.
In today’s time one should never hesitate wearing a hearing-aid as it is the need of the hour and one cannot afford to miss any update in order to keep pace with the world.
