Audio sensors Hardware

Forehead accelerometer

Accelerometer image 1 Accelerometer image 1

Reference

To offer a wide variety of body-conduction microphones, we incorporated a Knowles BU23173-000 accelerometer positioned on the forehead and secured in place with a custom 3D-printed headband.

Accelerometer image Accelerometer image

Pre-amplification

A dedicated preamplifier was developed for this particular sensor.

Hold in position

The designed headband is inspired by a headlamp design. A custom 3D-printed piece was necessary to accommodate the sensor to the headband.

GIF of the helmet GIF of the helmet