Fig. 1: Infrasonic hemodynography earbud system. | npj Digital Medicine

Fig. 1: Infrasonic hemodynography earbud system.

From: In-ear infrasonic hemodynography with a digital health device for cardiovascular monitoring using the human audiome

Fig. 1

a Exploded schematic illustration of the IH earbuds, interconnect schemes, and enclosure architectures. b Person wearing the IH earbuds; the earbuds have passive sensors/microphones installed on the left and right side. c Illustrative example of IH signal collected alongside and synchronized with ECG. The person in the photograph wearing the earbuds consented to the taking and publication of the photograph.

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