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Evolution of hearing aid devices

With the advancement of technology, hearing aids have made unprecedented developments in the history of evolution of listening devices. Researchers are continuously exploring ingenious ways to improve hearing aid devices and are amazing us each moment with new astounding technological innovations. With the introduction of digital technology, listening devices are also making modifications in the digital field, making them all the more flexible and user-friendly.

Today, hearing aid devices have undergone a revolutionary change and in the past few decades they have shown never-before modifications in every way possible, especially digital. Our next generation would see listening devices in a completely new scenario, absolutely different from those used by our predecessors. The modern digital hearing aid devices are making innovations in the fields of wireless technology, digital chip technology, hearing science and cognitive science or artificial intelligence. Studies show that the development of hearing aid devices go parallel with that of the various generations of computers.

Evolution of Hearing Aids

Early Ages of Hearing Aids

From animal horns or ear trumpets to the digital technology, listening devices have undergone a sea change. The primitive hearing aid devices of ear trumpets made from  animal horns of cows or rams, used to simply collect the sounds and deliver them through a narrow passage, which would help one to hear slightly clearer sounds.

Carbon Transmitter Era

After this various technologies were introduced in listening devices, like the use of carbon transmitter - a technology used in telephones, was introduced after the invention of the telephone, which could amplify electronic sounds and increase their decibel levels.

Era of Vacuum Tubes

In this era, a much advanced technology of vacuum tubes was introduced in hearing aid devices, which increased their flexibility and paved a way not only for them to become more efficient but also to reduce in size. Hence from this time onwards, a gradual reduction in the sizes of listening devices can be seen if we look at the history of the development of hearing aid devices.

First Wearable Hearing Aids and Transistors

Numerous analysts continued to probe deep into the sea of possibilities to open up a new window for improving hearing aids, until the invention of transistor technology in the mid-20th century. It increased the efficiency and performance of hearing aid devices tremendously and also reduced their sizes drastically. It is at this stage of the development of listening devices that they could be worn completely in the ear canal, thus making them completely invisible.

Evolution of Hearing Aids

Modern Day Digital Era and Beyond

An epoch-making event in the history of evolution of hearing aid devices is the introduction of digital technology. The previous analog devices did not have the capability to distinguish between different sounds, and amplified every sound all the same. While on the other hand, digital hearing aid devices can distinguish between different sounds, and can amplify the speech and other important sounds by reducing background noise. This technology touched millions of hearts and is the leading one today. It not only allows hearing impaired people to efficiently regulate their hearing aid devices themselves, but also allows them to connect these devices with smartphones via various advanced connectivity technologies like Bluetooth, Wi-Fi, FM, GPS and many more.

With such a drastic and lightning-fast speed of advancements in various technologies, that day is not far when the artificial intelligence technology used in hearing aid devices would have the capability to perform certain tasks independently.