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Individualized sound pressure equalization in hearing devices exploiting an electro-acoustic model

2021-10-04 12:56:42
Henning Schepker, Reinhild Rohden, Florian Denk, Birger Kollmeier, Matthias Blau, Simon Doclo
arXiv_SD
   
Abstract

To improve sound quality in hearing devices, the hearing device output should be appropriately equalized. To achieve optimal individualized equalization typically requires knowledge of all transfer functions between the source, the hearing device, and the individual eardrum. However, in practice the measurement of all of these transfer functions is not feasible. This study investigates sound pressure equalization using different transfer function estimates. Specifically, an electro-acoustic model is used to predict the sound pressure at the individual eardrum, and average estimates are used to predict the remaining transfer functions. Experimental results show that using these assumptions a practically feasible and close-to-optimal individualized sound pressure equalization can be achieved.

Abstract (translated)

URL

https://arxiv.org/abs/2110.01422

PDF

https://arxiv.org/pdf/2110.01422.pdf

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