What Special Features do Digital Hearing Aids have?
Digital hearing aids are certainly considered as one of the advancements in hearing aid technology. Digital hearing aids offer manufactures an opportunity to design hearing aids with advanced sound processing and other features. In digital processing, the analog waveform is changed into a sequence of numbers. With these numbers the sound is digitally modified to meet the individual’s hearing needs. Digital hearing aids provide special features which have considerable advantages compared to analog hearing instruments. These special features have proven to be positive for patients and audiologists.
Gain processing is a positive benefit offered in digital hearing aids. Through gain processing schemes, sounds have the potential for amplified audibility without having to worry about high intensity sounds causing an individual to be uncomfortable. Gain-processing in digital hearing aids also reduces the level of low intensity sounds and noisy microphones which can also be very disturbing for an individual.
Another special feature of digital hearing aids is digital feedback reduction. There are advanced feedback reduction schemes which are equipped to check for feedback. This can be accomplished even while an individual is wearing a digital hearing aid. Through a filtering system, moderate feedback can be reduced or eliminated.
A third special feature of digital hearing aids is digital speech enhancement. This system is intended to increase relative concentration of speech segments. The digital speech enhancement system is intended to recognize and improve speech according to temporal or spectral content.
Directional Microphones are also special features of digital hearing aids. These hearing instruments are designed to enhance the effectiveness of an individual’s signal-to-noise ratio. Some digital hearing aids combine this feature with DSP which seems to further improve this benefit.
Digital hearing aids are also used as signal generators. Because these hearing devices are primarily built around digital sound processing, they are equipped to generate sound as well as process it. This special feature is used often to evaluate and individual for a hearing aid fitting. Using this feature, an individual’s hearing needs can be met through their hearing aid.
Digital noise reduction is also a great feature offered in digital hearing aids. This special feature is intended to reduce gain when steady-state sounds are detected. This can also work to reduce discomfort and maybe even speech recognition in situations where there are steady-state sounds.
Digital hearing aids are certainly a good example of positive advancements in hearing aid technology. As research continues, new discoveries will continue to be made regarding digital hearing aids and their capabilities. To learn more about the special features of digital hearing aids, an individual should consult their audiologist or they might also consider browsing the Internet for detailed information about this hearing instrument.
