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 Möller, Sebastian (2016). Analyzing the Relation Between Overall Quality and the Quality of Individual Phases in a Telephone Conversation. Proc. 17th Ann. Conf. of the Int. Speech Comm. Assoc. (Interspeech 2016). ISCA, 2493-2497.


Köster, Friedemann and Möller, Sebastian and Guse, Dennis (2016). Introducing a new subjective test methodology to analyse conversational quality. ITU-T SG 12 Meeting January 2016. ITU.


Mittag, Gabriel and Köster, Friedemann and Möller, Sebastian (2016). Non-intrusive Estimation of the Perceptual Dimension Coloration. Fortschritte der Akustik, DAGA 2016: Plenarvortr. u. Fachbeitr. d. 42. Dtsch. Jahrestg. f. Akust.. DEGA, 976-979.


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


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 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.


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.


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