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Open AccessArticle

A Smart Binaural Hearing Aid Architecture Based on a Mobile Computing Platform

1
Tianjin Key Laboratory of Imaging and Sensing Microelectronic Technology, School of Microelectronics, Tianjin University, Tianjin 300072, China
2
Institute of Microelectronics, Tsinghua University, Beijing 100084, China
3
Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(7), 811; https://doi.org/10.3390/electronics8070811
Received: 21 May 2019 / Revised: 17 July 2019 / Accepted: 17 July 2019 / Published: 20 July 2019
(This article belongs to the Section Bioelectronics)
This paper presents a new structure for hearing aids. Normally, the power consumption and user experience are contradictory. The proposed hearing aid structure mainly consists of three parts: the earpieces, the mobile computing platform, and the real-time speech-enhancement application. It can run complex algorithms without carrying out heavy calculations on the processors in the hearing aid. Thus, the binaural algorithm is utilized without being limited by complexity and power consumption to improve the user experience. Moreover, the speech-enhancement algorithm can be updated much more easily than in traditional built-in digital signal process hearing aids. A good level of user experience is achieved by combining the hearing aid and mobile computing platform with a 400-MHz transceiver; furthermore, the 400-MHz transceiver can reduce path loss around the body. The concept verification process showed that the overall usage of the central processing unit in the smartphone is around 16%, the signal-to-noise ratios show at least a 30% improvement in some environments, and the whole system delay is 8.8 ms. The presented objective and subjective results show significant improvements regarding user experience and usability brought about by the proposed structure. View Full-Text
Keywords: hearing loss; hearing aid; mobile computing platform; binaural platform hearing loss; hearing aid; mobile computing platform; binaural platform
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MDPI and ACS Style

Li, Y.; Chen, F.; Sun, Z.; Weng, Z.; Tang, X.; Jiang, H.; Wang, Z. A Smart Binaural Hearing Aid Architecture Based on a Mobile Computing Platform. Electronics 2019, 8, 811.

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