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). Introducing a new Test-Method for Diagnostic Speech Quality Assessment in a Conversational Situation. Fortschritte der Akustik, DAGA 2016: Plenarvortr. u. Fachbeitr. d. 42. Dtsch. Jahrestg. f. Akust.. DEGA, 1409–1412.


Köster, Friedemann and Möller, Sebastian (2016). Potential need for diagnostic single-ended quality indicators. ITU-T SG 12 Meeting January 2016. ITU.


Köster, Friedemann and Möller, Sebastian (2016). Proposal for a new work item on diagnostic single-ended quality indicators. ITU-T SG 12 Meeting June 2016. ITU.



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.


Köster, Friedemann and Barriac, Vincent and Möller, Sebastian (2014). P.AMD High Level Block Diagram for Set A.


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 (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 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.


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