Among the major turning points in the development of hearing aids at Rion was the release of a Body-type digital hearing aid in 1991. This article looks back on the 70 years of history of hearing aid development at Rion, with a fo-cus on this transition to digital models.A Spotlight on the Tumultuous Transition from Analog to DigitalHISTORY OF TECHNOLOGYHearing AidsPart 5Rion’s Technologies Over the YearsInterview and article by Noriaki Okamoto6
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