Digital technology

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There has been an explosion in the number of digital hearing aids on the market in the last five years. Digital hearing aids first came to market in 1987 but weren’t readily sold until the late ’90s. By this time, the technology had improved so that these hearing aids could be produced in a range of popular styles, from behind-the-ear (BTE) to completely-in-the-canal (CIC). Despite their higher cost, they offer superior processing and features.

"Digital" indicates that an analog waveform is converted into a string of numbers for processing, allowing manufacturers to enhance processing and add features.

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