I don't know much about hearing aids but here is some helpful info:
* Conventional analog hearing aids are designed with a particular frequency response based on your audiogram. The audiologist tells the manufacturer what settings to install. Although there are some adjustments, the aid essentially amplifies all sounds (speech and noise) in the same way. This technology is the least expensive and it can be appropriate for many different types of hearing loss.
* Analog programmable hearing aids have a microchip which allows the aid to have settings programmed for different listening environments such as quiet conversation in your home, noisy situations like a restaurant, or large areas like a theater. The audiologist uses a computer to program the hearing aid for different listening situations depending on your individual hearing loss profile, speech understanding, and range of tolerance for louder sounds.
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