Guide to Hearing Aids and Their Functions The number one problem in amplifying sound to alleviate an impaired hearing rest on the ability of the device to separate those troublesome background noise while simultaneously enhancing critical speech signals necessary for understanding. This means that when choosing a hearing aid for a patient, your audiologist should not only conduct a comparative selection on what would best fit the patient. The audiologist should primarily choose the best type of technology used to amplify speech signals and block out unnecessary background noise that hinders a person from hearing well. Some analogue hearing aids can detect whether sounds are loud or quiet. What this means is the device is able to recognize loud sounds like traffic sounds that it does not amplify further. This is the automatic gain feature of the device. The digital hearing aid on the other hand comprise a much more sophisticated means of processing incoming sounds and convert them into clearer and more audible sounds and then releases these at the appropriate sound level into the earso that one can take them comfortably. Because of this smart technology, a more precise prescription is possible in reference to your degree of hearing loss, personal lifestyle and the cosmetic or appearance needs. With this, your audiologist can make your hearing more normal and look normal than when you use the traditional analog hearing aids.
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These digital hearing aids are great simply because they are digital. With this, even when your hearing problems becomes worse, you don’t need to replace it. Reprogramming that same hearing aid by simply interfacing your device to the computer in the office of your hearing aid professional can easily be done and spare you from buying a new unit.
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If we look at this subject deeper, we would remember that the brain houses the most powerful signal processor which is at the center of human hearing. The sound processor in our brains are simply left to guess that sound it hears if the sound input from both ears are not clear. When the central processor receives electric energy converted from sound coming from both ears, it is able to interpret the sound, but when this information is marred then the interpretation also becomes incorrect. In the same manner, to simply amplify sound without discriminately filtering what our remarkable sound processor found in our brain has been busy from the beginning localizing certain sounds in the environment, discriminating particular sounds or signals, auditorily cuing sounds that has been stored as memory is suddenly distorted, your common and rational perception is totally undermined, and therefore the way to bring them all back to its normal behavior is to immediately correct it through this human made technology that we have today.