Hearing Aids and Further Hearing Loss? Part V

Predicted PTS (Permanent Threshold Shift) From Hearing Aid Use Various researchers have utilized data from TTS (Temporary Threshold Shift) and ITTS (Integrated Temporary Threshold Shift) in formulae that have included the length of time worn during the day, number of years worn, age at which the aid was first worn, the gain level used, and…

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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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