Hearing aid technology has changed dramatically with the miniaturisation of computer processors. Tiny digital processors are now used as the brains of digital hearing aids - responsible for sorting, processing and even prioritising sounds from the environment to your ear. Micro-technology has given manufacturers the ability to make hearing aids smaller, more powerful, and more effective than ever. Digital hearing technology has made analogue technology more or less obsolete, and most manufacturers are phasing out analogue technology.
Modern digital hearing aids are sophisticated, state-of-the-art instruments with many different benefits and features. Processors used in digital hearing technology use complex mathematical equations to recognize types of sound inputs, process sounds (by increasing or decreasing the volume), and deliver modified sounds adjusted to match the hearing loss of the wearer. This is called digital signal processing. Digital hearing aids are so precise, they can be individually programmed to amplify certain pitch ranges according to your audiogram - or to recognise differences in consonants in speech, such as “sh” in “rash” instead of “t” as in “sat.”
Digital hearing aids have the ability to automatically detect and adjust according to the environment you are in, such as a library or a noisy restaurant, and automatically adjust to the appropriate setting for that environment. Overall, digital hearing aids deliver higher performance than ever before.
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