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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 (2017). First test results and interrater agreement for P.CQO. , 1–7.

Köster, Friedemann and Möller, Sebastian and Skowronek, Janto (2014). P.TCA GUI and naive annotators experiment.

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.

Arndt, Sebastian and Wenzel, Markus and Antons, Jan-Niklas and Köster, Friedemann and Möller, Sebastian and Curio, Gabriel (2014). A Next Step Towards Measuring Perceived Quality of Speech Through Physiology. 15th Annual Conference of the International Speech Communication Association (Interspeech 2014). ISCA, 1998–2001.

Antons, Jan-Niklas and Köster, Friedemann and Arndt, Sebastian and Möller, Sebastian and Schleicher, Robert (2013). Changes of vigilance caused by varying bit rate conditions. 2013 Fifth International Workshop on Quality of Multimedia Experience (QoMEX). IEEE, 148–151.

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