Kai Morgan Kjølerbakken

Minuendo AS manufactures hearing protection devices. It offers earplugs for musician. The company was founded by Tom Alexander Trones, Olav Kvaløy, Knut Håkon Breivik, and Stian Terje Aldrin on June 18, 2018 and is headquartered in Oslo, Norway.

Squarehead Technology AS provides microphone array systems for audio capture and acoustical zoom. It develops hardware and software platform for acoustic camera and its microphone array combines a large number of individual microphones to create a highly directional audio output. Its products allow an operator to zoom in on a particular area and record sound in much the same way a camera zooms in a scene. It also offers microphone array products for surveillance and security. The company was founded by Vibeke Jahr and Morgan Kjølerbakken on August 1, 2004 and is headquartered in Oslo, Norway.