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TU Berlin

Inhalt des Dokuments

Dr.-Ing. Friedemann Köster

Lupe

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

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. Fifth Int. Workshop on Quality of Multimedia Experience 2013 (QoMEX 2013). IEEE, 148–151.


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. Proc. 15th Ann. Conf. of the Int. Speech Comm. Assoc. (Interspeech 2014). ISCA Interspeech 2014 Prceedings, 1998–2001.


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


Köster, Friedemann and Guse, Dennis and Wältermann, Marcel and Möller, Sebastian (2015). Comparison between the discrete ACR scale and an extended continuous scale for the quality assessment of transmitted speech. Fortschritte der Akustik – DAGA 2015: Plenarvortr. u. Fachbeitr. d. 41. Dtsch. Jahrestg. f. Akust.. DEGA, 150–153.


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


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 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 (2015). Diagnosing the quality of transmitted speech with expert and naive listeners. Fortschritte der Akustik – DAGA 2015: Plenarvortr. u. Fachbeitr. d. 41. Dtsch. Jahrestg. f. Akust.. DEGA, 143–146.


Köster, Friedemann and Möller, Sebastian (2015). Perceptual Speech Quality Dimensions in a Conversational Situation. Proc. 16th Ann. Conf. of the Int. Speech Comm. Assoc. (Interspeech 2015). ISCA Interspeech 2015 Prceedings, 2544–2548.


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 Möller, Sebastian and Guse, Dennis (2015). Towards Perceptual Speech Quality Dimensions in a Conversational Situation. ITU-T SG 12 Meeting May 2015. ITU.


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


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


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.


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