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TU Berlin

Inhalt des Dokuments

Dr.-Ing. Friedemann Köster


Research Field
- Quality of Speech and Audio
- Speech- and Signal Processing 

Research Topics
- Multidimensional Diagnostic Analysis of Conversational Speech Quality

Friedemann Köster studied Industrial Engineering at the Christian-Albrechts-University of Kiel. In 2012 he finished his studies and received his Dipl.-Wirtsch.-Ing. degree. Currently he is working as a research assistant at the Quality and Usability Lab of Deutsche Telekom Laboratories, TU-Berlin, where he also works towards a Phd degree in the field of quality.



Speech Communication

Quality and Usability Lab
Deutsche Telekom Laboratories
TU Berlin
Ernst-Reuter-Platz 7
D-10587 Berlin, Germany


+49 30 8353 58255
+49 151 14745202


Köster, Friedemann and Möller, Sebastian and Antons, Jan-Niklas and Arndt, Sebastian and Guse, Dennis and Weiss, Benjamin (2014). Methods for Assessing the Quality of Transmitted Speech and of Speech Communication Services. Acoustics Australia. Australian Acoustical Society, 179–184.

Köster, Friedemann and Guse, Dennis and Möller, Sebastian (2017). Identifying Speech Quality Dimensions in a Telephone Conversation. Acta Acustica united with Acustica. S. Hirzel Verlag, 506–522.

Köster, Friedemann and Schiffner, Falk and Möller, Sebastian and Malfait, Ludovic (2017). Towards degradation decomposition for voice communication system assessment. Quality and User Experience. Springer International Publishing, 4.

Möller, Sebastian and Köster, Friedemann (2017). Review of recent standardization activities in speech quality of experience. Quality and User Experience. Springer, 1–18.

Naderi, Babak and Möller, Sebastian and Neubert, Frank and Höller, Victor and Köster, Friedemann and Fernández Gallardo, Laura (2017). Influence of environmental background noise on speech quality assessments task in crowdsourcing microtask platform. The Journal of the Acoustical Society of America. ASA, 3909–3910.

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