Ear canal and jaw joint.
Different mouth positions for the instant molding of the Sonomax custom earplug used to acquire ear canal geometry.
Earplug model and border planes.
Center axis method.
Projected points in the cross section plane at s = 3.7 mm from the entrance plane.
Earplug geometries in “open mouth” and “closed mouth” positions.
Schematic representation of the setup used to evaluate the power capability of ear canal dynamic deformation.
Ear canal dynamic experimental results.
Histogram of the volume changes at the first and second bend regions.
Ear canal volume changes between open-mouth and closed-moth positions ("*" indicates the experimental measurement).
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