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. 2023 Apr 3;61(9):2227–2240. doi: 10.1007/s11517-023-02802-5

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© The Author(s) 2023

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Fig. 1 — Labelling recording example from the original clinical noise database taken from an EER. The signal goes through 3 categories highlighted in each graph (from top to bottom): low noise (T1), hard noise (T3), and moderate noise (T2). The yellow triangle indicates the segment onset and the purple circle the offset