Army

Method for visualizing the performance of frequency lowering hearing aids

A simple and user-friendly assessment tool for hearing care professionals

Medical & Biotechnology

Most hearing aids dispensed to individuals suffering from hearing loss in the US have frequency lowering processing features. Real ear measurement “REM” verification systems are used to verify and validate the performance of hearing aids and their various frequency lowering processing features. Current REM verification systems, however, do not provide a convenient way to visualize the effect that frequency lowering algorithms have on a signal produced by a hearing aid.  Moreover, current REM verification systems are only capable of displaying the effect of frequency lowering on a single input frequency at a time. There is a need for a simple, efficient, and intuitive method for audiologists, clinicians, and technicians to visualize changes when assessing the performance of modern hearing instruments.

At the U.S. Army’s Walter Reed Medical Center, Dr. Douglas Brungart has developed a novel method for visualizing the performance of frequency lowering hearing aids. The technique permits intuitive, arrow-based visualization and multi-dimensional graphs to display shifts/changes when assessing the performance of modern hearing instruments.

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