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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]

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 [12]. Invited Talk, Colloquium on Quality of Experience in Multimedia Systems and Services


Antons, Jan-Niklas and Köster, Friedemann and Arndt, Sebastian and Möller, Sebastian and Schleicher, Robert (2013). Changes of vigilance caused by varying bit rate conditions [13]. 2013 Fifth International Workshop on Quality of Multimedia Experience (QoMEX). IEEE, 148–151.


Köster, Friedemann and Möller, Sebastian (2013). Towards a New Test Paradigm for the Subjective Quality Assessment of Conversational Speech [14]. Fortschritte der Akustik - DAGA 2013: Plenarvortr. u. Fachbeitr. d. 39. Dtsch. Jahrestg. f. Akust.. DEGA.


Köster, Friedemann and Möller, Sebastian and Skowronek, Janto and Schiffner, Falk (2013). P.TCA exemplary listening material processing and validation [15].


Köster, Friedemann and Möller, Sebastian and Skowronek, Janto and Schiffner, Falk (2013). Validation of the P.TCA Annotation Methodology and Comparison to Perceptual Dimensions from P.AMD [16].


Möller, Sebastian and Köster, Friedemann and Skowronek, Janto and Schiffner, Falk (2013). Analyzing Technical Causes and Perceptual Dimensions for Diagnosing the Quality of Transmitted Speech [17]. Proc. 4th International Workshop on Perceptual Quality of Systems (PQS 2013), 30–35.


Arndt, Sebastian and Wenzel, Markus and Antons, Jan-Niklas and Köster, Friedemann and Möller, Sebastian and Curio, Gabriel (2014). A Next Step Towards Measuring Perceived Quality of Speech Through Physiology [18]. 15th Annual Conference of the International Speech Communication Association (Interspeech 2014). ISCA, 1998–2001.


Köster, Friedemann and Barriac, Vincent and Möller, Sebastian (2014). P.AMD High Level Block Diagram for Set A [19].


Köster, Friedemann and Mittag, Gabriel and Möller, Sebastian (2014). Referenzfreie Schätzung der perzeptuellen Dimension Rauschhaftigkeit von Übertragener Sprache [20]. Fortschritte der Akustik – DAGA 2014: Plenarvortr. u. Fachbeitr. d. 40. Dtsch. Jahrestg. f. Akust.. DEGA, 501–502.


Köster, Friedemann and Möller, Sebastian (2014). Analyzing Perceptual Dimensions of Conversational Speech Quality [21]. Proc. 15th Ann. Conf. of the Int. Speech Comm. Assoc. (Interspeech 2014). ISCA Interspeech 2014 Prceedings, 2041–2045.


Köster, Friedemann and Möller, Sebastian (2014). Standards for diagnosing the quality of transmitted speech and their improvements [22]. Globecom 2014 Workshop - Telecommunications Standards - From Research to Standards. IEEE Globecom 2014 Proceedings.


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 [23]. Acoustics Australia. Australian Acoustical Society, 179–184.


Köster, Friedemann and Möller, Sebastian and Skowronek, Janto (2014). P.TCA GUI and naive annotators experiment [24].


Möller, Sebastian and Köster, Friedemann (2014). Dimensions of Speech Quality: New Methods for Intrusive and
Non-Intrusive Diagnostic Quality Prediction [25]. 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 [26]. Proc. 8th Int. Conf. on Signal Processing and Communication Systems (ICSPCS 2014)


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