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Hearing aid based on frequency transposing

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3 Author(s)
G. Mota-Gonzalez ; Departamento de Ingenieria Electrica, Centro de Investigacion y de Estudios Avanzados, IPN, Mexico City, Mexico ; E. Cardiel ; H. Pablo-Ro

In this work a hearing aid based on frequency transposing is presented. It aims to take advantage from the residual low frequency sensitivity in age-related hearing loss cases. Moreover, it has been reported that the use of excessive amplification could induce a degenerative process in the auditory system. Frequency transposing is carried out using a frequency dividing method. The aid is intended for voice applications. Thus, audio signal is amplified under a compression process and filtered in 300-3400 Hz range. The audio signal processing was preliminarily performed using Matlab for adjusting and evaluating and the digital part of the aid was finally implemented using a Digital Signal Processor.

Published in:

Engineering in Medicine and Biology, 2002. 24th Annual Conference and the Annual Fall Meeting of the Biomedical Engineering Society EMBS/BMES Conference, 2002. Proceedings of the Second Joint  (Volume:3 )

Date of Conference:

23-26 Oct. 2002