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. 2023 Jul 20;23(14):6565. doi: 10.3390/s23146565

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Bland-Altman plots displaying the stride time estimation of ground truth (optical motion capture—OMC) and hearing aid (HA) IMUs on stride-to-stride and straight-walking-bout level for the three implemented algorithms: (a) Jarchi, (b) Diao Original, (c) Diao Improved. On stride-to-stride level, each data point presents a single stride. On straight-walking-bout level, each data point presents the stride time average over the walking sequence. The colors represent the different self-selected walking speeds.