Special Features of Hearing Aids. The first feature is directional microphones. features find on hearing aids that are used mostly in noisy places like bar, restaurant or in a public meeting are known as directional earphones. Their operation is in such a way that they reduce sound from behind so that it does not interfere with noise in front. These directional microphones are available some of the styles of hearing aids i.e. BTE, OE, ITE, Half Shell, and ITC styles. These directional microphones are automatic meaning they automatically turn themselves on when the sound level in the room gets too high. Another feature they have is that they can follow moving sounds or reduce several different sounds at the same time. You can also check the ones that reduce noise. It enables the hearing aid to reduce the amplification in the spectrum. Let us take for example a fan running in the background it will speak it as much as it will amplify it. As a result you hear the fan running. This feature is also possible to relay both speech and noise at the same time. Some hearing aids are able to manage noise by breaking the frequencies up into smaller pieces. It does not reduce noise but balances between speech and noise.
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There are also memories. Different settings for various conditions such as quiet places, noisy places, and music or telephone are known as memory. We have two ways of memory thus manual and electronic memory. We use the push button to activate memories since it allows you to have different settings. The standard memory is put on by the use of a push button while the automatic memory is turned on by the hearing aid itself. When the memory is on ,the hearing aids beeps to alert on the memory you are using. Some hearing aids have combination of both manual and automatic memories.
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Feedback cancellation is also another feature found in hearing aid. This is the whistling sound that comes back to your ear when you put your hand over it is known as feedback . It is designed in such a way that it prevents that whistling sound from coming back to your ear. Band is also one of the features found in the hearing aids. These are the elements that are used to adjust the volume in hearing aid. When your hearing aid is programmed to your ear it means more bands will have more volume control.The more the bands the more the volume control when the hearing aid is programmed to your ear. We also have channels. The loud sound is controlled by an element in the hearing aid known as the channel. It is solely responsible for noise reduction. When you want to minimize the noise fully then you should use more channels.

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