By Jenny Groth The old story about FFT etc compared to Warp somehow got all muddled in the telling. FFT, IIR and FIR are digital filters. We use all of these types filters in our compressor, in our feedback cancellation, in our directionality and all over the place and so do all the other manufacturers. […]
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What happens when the receiver doesn’t match what the software thinks? If you have a NP receiver on a hearing instrument configured as HP, you get LESS gain than you see on the fitting screen. You are under-fitting. If you have a HP receiver on a device configured as NP, you get MORE gain than
Many markets are moving to mercury-free zinc air batteries for hearing aids. Although more environmentally friendly, the new battery technology is not a great friend to hearing aid performance. In a test of Rayovac brand batteries, the first generation of mercury-free were found to perform significantly worse than batteries with mercury. However, the newest mercury-free
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