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Dr.-Ing. Friedemann Köster

Lupe [1]

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

  • Subjektive Messung und instrumentelle Schätzung von Sprachqualität in einer Konversationssituation auf Basis von perzeptiven Dimensionen [2]
  • User-Friendly Estimation of Speech Quality for Telecommunications and
    Network Carriers (UFESQ) [3]

Teaching

Speech Communication [4]

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

vor >> [8]

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 [12]. The Journal of the Acoustical Society of America. ASA, 3909–3910.


Möller, Sebastian and Köster, Friedemann (2017). Review of recent standardization activities in speech quality of experience [13]. Quality and User Experience. Springer, 1–18.


Köster, Friedemann and Schiffner, Falk and Möller, Sebastian and Malfait, Ludovic (2017). Towards degradation decomposition for voice communication system assessment [14]. Quality and User Experience. Springer International Publishing, 4.


Köster, Friedemann and Guse, Dennis and Möller, Sebastian (2017). Identifying Speech Quality Dimensions in a Telephone Conversation [15]. 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 [16]. Acoustics Australia. Australian Acoustical Society, 179–184.


Mittag, Gabriel and Köster, Friedemann and Möller, Sebastian (2017). First possible P.SAMD indicators for the estimation of Coloration [17]. , 1–5.


Mittag, Gabriel and Köster, Friedemann, Möller, Sebastian (2017). Noise Robust Voice Activity Detection Based on an Iterative Approach [18]. 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 [19]. Fortschritte der Akustik – DAGA 2017: Plenarvortr. u. Fachbeitr. d. 43. Dtsch. Jahrestg. f. Akust.. DEGA, 880–883.


Möller, Sebastian and Köster, Friedemann (2017). Modelling Speech Service Quality: From Conversational Phases to Communication Quality and Service Quality [20]. , 1–4.


Möller, Sebastian and Köster, Friedemann (2017). Modeling the Overall Conversational Quality Based on the Identified Underlying Perceptual Quality Dimensions [21]. 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 [22]. 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 [23]. Invited Talk, Audiocodes Ltd.


Möller, Sebastian and Köster, Friedemann and Fernández Gallardo, L. and Wagner, Michael (2014). Comparison of Transmission Quality Dimensions of Narrowband, Wideband, and Super-Wideband Speech Channels [24]. Proc. 8th Int. Conf. on Signal Processing and Communication Systems (ICSPCS 2014)


Möller, Sebastian and Köster, Friedemann and Fernández Gallardo, L. and Wagner, Michael (2014). Operational Quality Estimator: Comparison of Transmission Quality Dimensions of Narrowband, Wideband, and Super-Wideband Channels [25].


Möller, Sebastian and Hillmann, Stefan and Engelbrecht, Klaus-Peter and Hinterleitner, Florian and Köster, Friedemann and Kretzschmar, Florian and Schulz, Matthias and Schaffer, Stefan (2012). Quality Prediction for Speech-based Telecommunication Services [26]. Invited Talk, Colloquium on Quality of Experience in Multimedia Systems and Services


vor >> [30]
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