Making Use of the Directional Microphone Standard in Many Newer Hearing Aids

Hearing aids are a valuable tool when addressing hearing loss and are constantly getting better. Every year they become more advanced and offer additional features and functions that were not previously available. One such innovation is the directional microphone. 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. When this style of microphone is in use, sound is amplified from all directions in equal measure. While this method works well in a quiet setting such as a living room, it is not conducive to noisier environments (such as a restaurant). 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.

Both omnidirectional and directional microphones have advantages, so many hearing aid manufacturers include both types in their products. Directional microphone usage varies from hearing aid to hearing aid. In some cases users can manually switch back and forth between microphones, usually through a small switch. Other hearing aids can automatically determine which method is most effective and switch itself to the optimum microphone.

A third type of hearing aid microphone is the adaptive directional microphone. Instead of focusing in the front or all around, this type of microphone can pick up on the direction that speech signals are coming from and focus its amplification accordingly. 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.

Directional microphones are included in hearing aids for all ages, but caution must be applied when this feature is used by kids. 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 make sure that their child’s hearing aid has an on/off switch for the directional microphone and make sure it is only turned on when appropriate.

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

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