Hearing aids nowadays are quite different as compared to one which was invented decades ago. From holding a big ear trumpet for hearing, to the invisible in ear device, all made possible with the help of developing technology.
How Hearing Aids Work?
The way that hearing aids work is by increasing the level of sound received from outside the ear with the help of microphone inside the device, then it is converted to an electrical or digital signal and sent back to a speaker where it is turned into sound again.
Depending upon the environment and lifestyle of an individual, digital Hearing Aids are programmed so as to yield near natural hearing experience. Environment is measured by the noise level and quality of sound around a person. Needs of a person who involves in a quiet conversation environment will be different than that of a person who is constantly exposed to high pitches and frequencies. These different factors let the audiologist to adjust the settings of Hearing Aid .
Types of Hearing Aids
Basically, Hearing Aids can be categorized into two types analogue and digital hearing aids. Analogue Hearing Aids are non-programmable type which uses batteries to amplify sound to make it audible for the wearer, while on the other hand digital hearing aids are programmable and it can be programmed according to user requirements and lifestyle.
Analog Hearing Aids
Analog hearing aid works in a different way. Sound level in Analog Hearing Aid is adjusted through a switch. Analogue Hearing Aids are non-programmable type which uses batteries to amplify sound to make it audible for the wearer, while on the other hand digital hearing aids are programmable and it can be programmed according to user requirements and lifestyle.
Since different situations require different settings, the user is furnished with a remote control to control the settings.
Digital Hearing Aids
Digital Hearing Aids, work on digital signal processing technology digital hearing aids are programmable and it can be programmed according to user requirements and lifestyle.
The digital models also have the capability of detecting and eliminating feedback by identifying the frequencies which work automatically with little adjustment from the wearer.
Advancements in Technology Make Better Hearing Aids
With advancement in technology, hearing aids also developed to a much better device. Nowadays, hearing aids can be customized according to individual’s lifestyle and needs. They are also available Invisible type which can be inserted into ear canal and cannot be noticed from outside.