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Understanding Hearing Aids Devices that are made to amplify sound to alleviate impaired hearing need to be able to separate background noise from speech signals that are necessary for understanding. What this means is that it is not enough for audiologists simply to choose from among the many hearing aids what would best fit his patient. The important thing to identify is the type of technology used to amplify speech signals and control unnecessary loud sounds that would hinder the person from hearing properly. There are analog hearing aids that can detect loud or soft sounds. What this means is the device is able to recognize loud sounds like traffic sounds that it does not amplify further. This feature is known as “automatic gain control”. On the other hand, the digital hearing aid has a more sophisticated means of processing incoming sounds and converts them into clearer and more audible sounds and these sounds are released at the right sound level into the ears of the patient so that he can receive 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 digital hearing aids, you can hear normal and look normal, unlike when you wear the traditional analog hearing aids.
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And since they are digital, then that alone makes it a great hearing aid. This means that you no longer need to throw out a scrap hearing aid when your worsening hearing loss becomes prominent. 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. In other words, when an endless stream of sound waves from both ears is then converted into electrical energy to be fed to the central processor is marred then it follows that its interpretation will also be 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.