Directional Microphone Hearing Aids – Do They Change?

Situation Directional microphone hearing aids are a preferred embodiment in many of today’s hearing aids, being used advantageously for listening in noise.  When used in this fashion, the directional performance is employed in either a fixed, or more commonly, in an adaptive mode, and normally commands a premium price from the consumer.  Conventional wisdom suggests…

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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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