An Overview on Digital Hearing Aids


There has been a spectacular increase in the number of hearing aids that are digital this past decade. Much of these digital hearing aids are now in their 4th generation of updates, so they are armed with tried and tested features. With over 20 manufacturers of these devices with close to 100 different models, digital hearing aids have speedily become the standard hearing aid for individuals who need things to just be a little louder. However, some individuals are wary of digital hearings aids and still use older analog models. Is a digital hearing aid the best selection for you?

Digital hearing aids arrived on the marketplace around 1987; however, these models were bulky and used large amounts of battery power, making them challenging to use. Many despised these, waiting another ten years until the next, more sophisticated line of digital hearing aids came out.

Digital hearing aids are not separated devices. They take the analog sound it picks up and turns it into binary code, which can then be processed. However, some analog devices can provide a cleaner sound than some digital devices. It all counts on the elements used in the manufacturing process. There are some aspects of digital hearing aids that make it superior to most analog devices.

· gain processing
· digital feedback reduction
· digital noise reduction
· digital speech enhancement
· directional microphones.

Digital Feedback Reduction

You do not want your hearing to be like a Jimi Hendrix show, with feedback blaring. Perhaps that is the reason for your hearing loss. Regardless of the cause, digital feedback reduction is an excellent feature of digital hearing aids. It controls any feedback that may be developing in a sonic environment before it makes the listener's ears. Feedback typically happens when the wearer gets too close to something, or sometimes when the user's jaw makes particular movements.

Digital Speech Enhancement

While digital noise reduction takes out undesirable noise from the same direction as the source of the desired sound, digital speech enhancement acts to step-up the level of the desired root of sound, whether it be a person talking to the user or a TV program on the television set across the room. This processing is a new aspect of hearing aids, because the complexity of it has just recently been mastered by sound engineers.


Brief Description of Digital Hearing Aid Models

· Behind the Ear. These hearing aids have an ear mold that rests behind the ear of the user. A plastic tube then comes down into the ear. Other behind the ear hearing aids have no ear mold, in order to give the device a much more tactful look.

· In the Ear, In the Canal, Completely in the Canal. In the ear hearing aids rest inside the outer ear, and provide choice sound for the hearer. Hearing aids classified as in the canal, rest inside the ear canal of the outer ear. They provide a more discreet appearance while maintaining high quality sound. Completely in the canal hearing aids are very challenging for outside individuals to notice. They fit completely inside the ear canal. However, they are usually not ideal for those with profound hearing loss.

· Body Worn Hearing Aids. Thankfully, these devices which comprise of a microphone and working components in a box that you put on your person, have been updated with the aforementioned digital hearing aids. These still may be appropriate for elderly users who have difficulty operating small devices such the push buttons and wheels of a hearing aid.

Modern digital hearing aids are useful devices which have evolved into tiny but powerful solutions for those whose hearing has diminished over the years.

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This article was sent to us by: jenny at 04142010

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