TU Berlin

Quality and Usability LabFriedemann Köster

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Dr.-Ing. Friedemann Köster

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

Research Topics
- Multidimensional Diagnostic Analysis of Conversational Speech Quality

Biography
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.

Projects

Teaching

Speech Communication

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

Telefon:

+49 30 8353 58255
+49 151 14745202

Publications

Möller, Sebastian and Mittag, Gabriel and Köster, Friedemann and Barriac, Vincent and Côte, Nicolas (2018). Erweiterung der Netzwerkplanung auf super-breitbandige Sprachübertragung. 44. Deutsche Jahrestagung für Akustik (DAGA). Deutsche Gesellschaft für Akustik DEGA e.V., 537–540.


Naderi, Babak and Polzehl, Tim and Wechsung, Ina and Köster, Friedemann and Möller, Sebastian (2015). Effect of Trapping Questions on the Reliability of Speech Quality Judgments in a Crowdsourcing Paradigm. 16th Ann. Conf. of the Int. Speech Comm. Assoc. (Interspeech 2015). ISCA, 2799–2803.


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.


Polzehl, Tim and Naderi, Babak and Köster, Friedemann and Möller, Sebastian (2015). Robustness in Speech Quality Assessment and Temporal Training Expiry in Mobile Crowdsourcing Environments. 16th Ann. Conf. of the Int. Speech Comm. Assoc. (Interspeech 2015). ISCA, 2794–2798.


Schiffner, Falk and Möller, Sebastian and Köster, Friedemann (2017). Perceptual dimensions of video quality in the context of video-telephony: Methodology, Experiments, Analysis. , C0095.


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