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Results for a continuously breathing subject (case Figure 6a,b), channel 1 (left), and channel 2 (right). For the channel 1: (a) Breathing signal, (b) recorded signal from a microphone, (c) movement index (solid line) and breathing index (dashed line), (d) periodogram obtained from channel 1. For the channel 2: (e) Breathing signal, (f) recorded signal from a microphone, (g) movement index (solid line) and breathing index (dashed line), (h) periodogram obtained from channel 2.
