Hearing Aid Delay

Hearing Aid Delay Between Direct and Processed Sound    Last week’s post provided information about the delay between the direct and processed sound in digital hearing aids – hearing aid delay. All hearing aids, but especially digital, have processing delays and it has been speculated that these delays may potentially interfere with amplified sound quality of speech.…

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Intelligibility vs. Bandwidth

A Case for Mid-frequency Amplification (Continued) Should mid-frequencies be given more than a cursory consideration when it comes to fitting hearing aids? Last week’s post reviewed some acoustic characteristics of speech and their significance in speech perception. These included long-known information related to speech spectra; the relationship between speech power, frequency, and intelligibility; critical bands;…

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