Corry Manufacturing Co . in Corry won a $ 30, 383 contract from the Defense Supply Center in Columbus, Ohio, for air probe tube assemblies.
2.
Real ear measurements ( or probe microphone measurements ) are an assessment of the characteristics of hearing aid amplification near the ear drum using a silicone probe tube microphone.
3.
First a measurement is made with the probe tube in the open ear ( Real Ear Unaided Response, or REUR ), then a second one is made using the same test signal with the hearing aid in place and turned on ( Real Ear Aided Response, or REAR ).
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