What are the features that are available in hearing aids?
With the advancements in hearing aid research, and the need to help individuals with varying degrees of hearing loss, there are several features to consider, such as whether to include a telephone coil; whether to use omni directional, directional or multiple microphones; and whether the individual needs couplers that enable the use of assistive listening devices. Microphones vary in their function. Omni directional microphones are those which pick up sounds that originate in almost any direction around the individual. Directional microphones are those that are specifically designed to amplify signals that are in front of the individual and are often enabled by a user push-button. This can improve listening in noisy settings. Some more sophisticated hearing aids use more than one microphone that can better help differentiate speech from surrounding noise. While one sees advertisements of hearing aids that block background noise, these are misleading and have become the target of the Fo
