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

Figure 2.

Figure 2

The sensor setup included (a) two hearing aids with integrated IMU and (b) optical motion capture (OMC) markers and NilsPod IMU sensors. The axes of the coordinate system are defined by the main anatomical axes, namely medial to lateral (accML), posterior to anterior (accPA), and superior to inferior (accSI).