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

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.


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.


Möller, Sebastian and Köster, Friedemann (2017). Review of recent standardization activities in speech quality of experience. Quality and User Experience. Springer, 1–18.


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 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.


Köster, Friedemann and Cercos-Llombart, Victor and Mittag, Gabriel and Möller, Sebastian (2016). Non-Intrusive Estimation Model for the Speech-Quality Dimension Loudness. 12. ITG-Fachtagung Sprachkommunikation (Speech Communication). VDE, 175-179.


Köster, Friedemann and Guse, Dennis and Miethaner, C. and Möller, Sebastian (2016). Towards Training Naive Participants for a Perceptual Annotation Task Designed for Experts. 8th Int. Conference on Quality of Multimedia Experience 2016 (QoMEX 2016). IEEE.


Köster, Friedemann and Mittag, Gabriel and Polzehl, Tim and Möller, Sebastian (2016). Non-intrusive Estimation of Noisiness as a Perceptual Quality Dimension of Transmitted Speech. 5th ISCA/DEGA Workshop on Perceptual Quality of Systems (PQS 2016). ISCA/DEGA, 74-78.


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.


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.


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