Digital Hearing Aids- Crunching The Numbers
The earliest hearing aids, like standard telephones, employed analog technology. Digital hearing aids are not better than analog hearing aids simply because they are digital; the many features which digital signal processing allows manufacturers to incorporate into their hearing aids are what makes the digital hearing aids so impressive. Digital hearing aids are “smart.” The digital signal processing used in digital hearing aids has been borrowed from the military best hearing aids available and music recoding industries. Unlike analog hearing aids which convert sounds into electrical impulses which can be adjusted, to a point, to meet the needs of the hearing impaired person, the digital hearing aids can actually distinguish between voices and noise.
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