A comprehensive method applying a nonlinear frequency compression(FC) as complementary to multiband loudness compensation is proposed, which is able to improve loudness compensation and simultaneously increase high-frequency speech intelligibility for digital hearing aids. First, to avoid the spectral distortions in the sounds, speech intelligibility-based frequency spectrum splitting is introduced. Then a nonlinear FC(NLFC) is also proposed to compress the high-frequency sounds to the lower bands where the...
Hearing aid(HA)devices are currently the mostmethods[8]in the aspect that the frequencypopular methods for improving the communicationcompression ratio is adjusted based on the speechability of hearing-impaired(HI)individuals[1].Peopleintelligibility perc
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