
Mediator between
people and technology
Research - Development - ConsultingMediator between people and technology
Research - Development - Consulting
User-centred research and development
We understand and design socio-technical systems
When technology fulfils socially relevant or safety-critical functions, it must be perfectly usable. We have been ensuring this in all areas of life for 20 years. Through pioneering research, interdisciplinary development and customised consulting, with a team of psychologists, engineers and computer scientists.
About our services251 projects in all sectors
are the basis of our expertise.
129 publications in scientific journals
form our academic backbone.
Countless people surveyed
are the main asset of our work.
News
Road traffic noise - just annoying?

Jun 4, 2025
We are surrounded by the background sound of road traffic every day. It affects our well-being and our health. Most noise impact studies use the perceived annoyance caused by road traffic as an indicator of its effects and compare this with the day-evening-night noise indicator or the energy-equivalent continuous sound level. This basically tells us whether road traffic sound is perceived as too loud (i.e. annoying) or not.
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