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

Köster, Friedemann and Mittag, Gabriel and Möller, Sebastian (2014). Referenzfreie Schätzung der perzeptuellen Dimension Rauschhaftigkeit von Übertragener Sprache. Fortschritte der Akustik – DAGA 2014: Plenarvortr. u. Fachbeitr. d. 40. Dtsch. Jahrestg. f. Akust.. DEGA, 501–502.


Köster, Friedemann and Mittag, Gabriel and Möller, Sebastian (2017). Modeling the Overall Quality of Experience on the Basis of Underlying Quality Dimensions. Ninth International Conference on Quality of Multimedia Experience (QoMEX). IEEE, 1–6.


Köster, Friedemann and Möller, Sebastian (2014). Analyzing Perceptual Dimensions of Conversational Speech Quality. Proc. 15th Ann. Conf. of the Int. Speech Comm. Assoc. (Interspeech 2014). ISCA Interspeech 2014 Prceedings, 2041–2045.


Köster, Friedemann and Mittag, Gabriel and Möller, Sebastian (2017). First possible P.SAMD indicators for the estimation of Noisiness. , 1–7.


Köster, Friedemann and Möller, Sebastian (2014). Standards for diagnosing the quality of transmitted speech and their improvements. Globecom 2014 Workshop - Telecommunications Standards - From Research to Standards. IEEE Globecom 2014 Proceedings.


Köster, Friedemann and Möller, Sebastian (2017). First Test Results and Interrater Agreement for P.CQS. , 1–8.


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.


Mittag, Gabriel and Köster, Friedemann and Möller, Sebastian (2017). First possible P.SAMD indicators for the estimation of Coloration. , 1–5.


Mittag, Gabriel and Köster, Friedemann, Möller, Sebastian (2017). Noise Robust Voice Activity Detection Based on an Iterative Approach. Fortschritte der Akustik, DAGA 2017: Plenarvortr. u. Fachbeitr. d. 43. Dtsch. Jahrestg. f. Akust.. DEGA, 876–879.


Möller, Sebastian and Guse, Dennis and Köster, Friedemann and Weiss, Benjamin (2017). Sprachqualitäts-Modellierung: Von Konversations-Phasen über Gespräche bis zur Dienstqualität. Fortschritte der Akustik – DAGA 2017: Plenarvortr. u. Fachbeitr. d. 43. Dtsch. Jahrestg. f. Akust.. DEGA, 880–883.



Möller, Sebastian and Köster, Friedemann (2017). Modeling the Overall Conversational Quality Based on the Identified Underlying Perceptual Quality Dimensions. Fortschritte der Akustik – DAGA 2017: Plenarvortr. u. Fachbeitr. d. 43. Dtsch. Jahrestg. f. Akust.. DEGA, 1–4.


Möller, Sebastian and Köster, Friedemann and Weiss, Benjamin (2017). Modelling Speech Service Quality: From Conversational Phases to Communication Quality and Service Quality. Proc. 9th Int. Conf. on Quality of Multimedia Experience (QoMEX). IEEE, 1–3.


Möller, Sebastian and Köster, Friedemann (2014). Dimensions of Speech Quality: New Methods for Intrusive and
Non-Intrusive Diagnostic Quality Prediction. Invited Talk, Audiocodes Ltd.


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