Hearing Aid Market Penetration

Is There a Real Percentage Change in Hearing Aid Market Penetration rates?   This week’s post continues a discussion of hearing aid market penetration.  This was not the intended topic, but after reading last week’s presentation, some readers challenged Figure 1 of that post, even though the overall message was not challenged – that market penetration…

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ISTS – A Practical Acoustic Feedback Test For Hearing Aids?

International Speech Test Signal and Feedback   Background The International Speech Test Signal (ISTS) was developed to determine how speech is processed by modern hearing aids {{1}}[[1]] Holube, I., Fredelake, S., Vlaming, M. & Kollmeier, B. (2010). Development and analysis of an international speech test signal (ISTS). International Journal of Audiology, 49, 891-903[[1]].  The signal…

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