is applied to the surface of the test piece ... a machine was designed and constructed by Messrs. H. Moore and R. Mather for the Research Department, Woolwich, in which very small balls with ...

A BAER test can help healthcare professionals diagnose hearing ... small electrodes (sticky patches with wires attached) on your scalp and earlobes. The electrodes are connected to a machine ...

I got early access to Apple’s new clinical-grade hearing test and hearing-aid capability ... sending signals to your brain.

Learn more› By Lauren Dragan Lauren Dragan writes about audio tech and OTC hearing aids ... Pro 2 (using the same specialized equipment we use to test noise-cancelling headphones), in order ...

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