A Practical Tablet-Based Hearing Aid Configuration as an Exemplar Project for Students of Instrumentation

Audiology Research
Ricardo Simeoni

Abstract

This paper presents the configuration and digital signal processing details of a tablet-based hearing aid transmitting wirelessly to standard earphones, whereby the tablet performs full sound processing rather than solely providing a means of setting adjustment by streaming to conventional digital hearing aids. The presented device confirms the recognized advantages of this tablet-based approach (e.g., in relation to cost, frequency domain processing, amplification range, versatility of functionality, component battery rechargeability), and flags the future wider-spread availability of such hearing solutions within mainstream healthcare. The use of a relatively high sampling frequency was found to be beneficial for device performance, while the use of optional off-the-shelf add-on components (e.g., data acquisition device, high fidelity microphone, compact wireless transmitter/receiver, wired headphones) are also discussed in relation to performance optimization. The easy-to-follow configuration utilized is well suited to student learning/research instrumentation projects within the health and biomedical sciences. In this latter regard, the presented device was pedagogically integrated into a flipped classroom approach for the ...Continue Reading

References

Aug 25, 2006·Journal of the American Academy of Audiology·Peter J BlameyBrenton R Steele
Feb 16, 2007·Trends in Amplification·Brent Edwards
May 19, 2009·Trends in Amplification·Andrea Simpson
Sep 21, 2011·International Journal of Audiology·William M WhitmerMichael A Akeroyd
Nov 26, 2013·Academic Medicine : Journal of the Association of American Medical Colleges·Jacqueline E McLaughlinRussell J Mumper
Jun 1, 1996·Trends in Amplification·J Agnew
Dec 1, 2001·Trends in Amplification·T A Ricketts

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myDAQ
Bioinstrumentation
Labview

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