A Look at Today's Directional Microphone-Enabled Hearing Aids

Hearing aids are wonders of modern technology, and they keep improving. As hearing aid technology improves, new capabilities provide better hearing. The directional microphone is one of these new features. This device allows its users to have a more natural listening experience, making it a popular addition to many modern hearing aids.

The traditional standard for hearing aids was the omnidirectional microphone. This type of microphone picks up on sounds from all directions equally. When used in a quiet setting (such as in the home), an omnidirectional microphone works quite well, but it is not as effective in noisy environments. In order to compensate for this, directional microphones focus closely on sounds emanating from the front. This allows you to hear what is being said in front of you while blocking out unimportant noise from the rest of the room.

Because both types of microphones have their own advantages, many hearing aid designers will incorporate both into their devices. How you use these microphones varies from device to device. Some devices utilize a small switch that allows the user to manually flip between microphones. Other devices can pick up on which microphone is most useful in a given situation and will automatically switch back and forth.

Adaptive directional microphones are a third type of microphone. This device offers variation in the direction of amplification, automatically picking up on speech signals and focusing in on the direction they are coming from. Adaptive microphones can be troublesome in crowded environments where many speakers are present, but the user can usually switch to a forward only mode in these situations.

Hearing aids designed for kids sometimes utilize directional microphones, but caution is needed when using these devices. Kids learn language by hearing the people around them speaking, but a directional microphone can limit a child’s exposure to this incidental speech. It may also reduce a child’s ability to hear traffic while playing. Parents should be sure that their child’s directional microphone is only turned on in appropriate situations.

The advantages of the directional microphone outweigh its flaws, allowing it to dramatically increase its wearer’s ability to hear.

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