Kai Siedenburg and Martin Bleichner (IMAGE)
Caption
Kai Siedenburg (in the dark sweater) wants wearers of hearing aids to be able to fully enjoy concerts again. Martin Bleichner, by contrast, is more interested in annoying everyday noises like people loudly eating snacks in the cinema.
Credit
University of Oldenburg
Usage Restrictions
Only to be used in connection with the story and with appropriate credit.
License
Original content