From Real Ear to Real Hear!

  by Christopher Schweitzer, Ph.D.             Background – From Real Ear to Real Hear! In two prior posts,1,2 the argument was put forth that, despite good intentions, real ear measures (REMs) have important short comings. Essentially, it was proposed that there is a nontrivial disconnect between the quite acceptable precision…

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Hearing Aid Verification Using Functional Gain – Part II

Note:  This is a continuation of a previous blog: Hearing Aid Verification Using Functional Gain – Part I, which was last week’s blog.   Functional Gain in Hearing Aids   Functional Gain (FG) = Aided Threshold minus the Unaided Threshold (FG = A-U). Unaided thresholds are measured to tones presented through the loudspeaker(s). Various frequencies…

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