Are Directional Mic Hearing Aids Really Directional (Part IV)

This blog started by looking at three assumptions about directional microphone hearing aids. Do hearing aid manufacturers routinely measure the directional properties of DM hearing aids prior to shipment? Are directional features programmed into the hearing aid seen on the computer programming screen actually what is programmed into the hearing aid? Once the hearing aid…

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Reality of Directional Mic Hearing Aids (Part III)

There are at least three assumptions about directional microphone hearing aids that require discussion. 1.     Hearing aid manufacturers routinely measure the directional properties of DM hearing aids prior to shipment. 2.     Directional features programmed into the hearing aid seen on the computer programming screen are actually what is programmed into the hearing aid. 3.     Once…

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