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Can digital hearing aids can eliminate feedback?

April 26, 2017digital hearing aids Eliminate feedback

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Can digital hearing aids can eliminate feedback?

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A. Yes, in many cases digital instruments can eliminate feedback. This is accomplished by comparing the returning signal to a static filter set that is stored in the hearing aid chip. If the returning signal is different from that stored image, a phase shifting of the signal occurs which stops the whistling. Different manufacturers have different methods for reducing the feedback.