Prof. Dr.-Ing. Alexander Raake

Phone: +49 3677 69-1468
Fax: +49 3677 69-1255
Helmholtz building, Room H 3534

For appointments please contact the secretary, telephone: +49 3677 69-2757

Stages of academic/professional career

Since 2022: Director Ilmenau Interactive Immersive Technologies Center (I3TC)
Since 2020: Director Institute of Media Technology (IMT)
Since 2015: W3 Professorship Audiovisual Technology Group, Technische Universität Ilmenau, Germany
2013-2015: W2 Professor (S-Prof., Deutsche Telekom AG / TU Berlin), Telekom Innovation Labs (T-Labs), TU Berlin, Head Assessment of IP-based Applications (AIPA) Group
2011: Successful evaluation Assistant Professorship TU Berlin ("’habilitation equivalence"’)
2009-2013: Assistant Professor (S-Juniorprof., funded by Deutsche Telekom), Head AIPA Group, T-Labs, TU Berlin
2005-2009: Senior Scientist, Quality & Usability Lab, T-Labs, TU Berlin, Germany
2004-2005: Post-doc, LIMSI-CNRS, Comm. Homme-Machine (CHM), Orsay, France

Degree programme and Doctorate

1999-2005 - Doctorate under supervision of Prof. Dr.-Ing. J. Blauert and Prof. Dr.-Ing. S. Möller. “Speech Quality of VoIP – Assessment and Prediction”, Ruhr University Bochum, Germany
1995-1996 - Erasmus exchange student, Electrical Engineering, Ecole Nationale Supérieure de Télécommunications (ENST), Paris, France
1991-1997 - Dipl.-Ing. Electrical Engineering, B Sc. -equivalent Physics, RWTH Aachen, Germany

Activities in the Research System

  • Head study commission “Media Technology”/ “Research in Media Engineering” TU Ilmenau (since 2020)
  • Associate editor for journals: Acta Acustica (speech production and perception), Quality and User Experience (Springer). Reviewer for journals, e.g.: IEEE –J. Sel. Topics Sig. Proc., Access, TASL, TMM, TComm., TCSVT, Netw. Mag., Comm. Mag.; Comm. ACM; Sig., Image & Video Proc. (Springer); ActaAcustica, J. Acoust. Soc. Am. (JASA).
  • TPC chair and member for conf. and workshops, e.g. IEEE ICME, IEEEISCC, IEEE QoMEX (TPC Co-Chair 2011, 2012, 2014, 2020, 2022; General chair 2017), IEEE ICC, IEEE GLOBECOM, ACM MMSys, ACM MM, Packet Video Works., diff. AES Conf. (Audio Eng. Soc.); INTERSPEECH; EUSIPCO; Member Steering Comm. IEEE QoMEX Conf. series.
  • Co-organizer international Dagstuhl Seminar at Leibniz-Zentrum f. Informatik, Germany.
  • Int. standardization (ITU-T, Co-Rapp. Q14 SG 12; Video Quality Experts Group, VQEG).
  • Active member in different scientific communities, e.g., IEEE, ACM, DEGA, VDE, FKTG.
  • Reviewer DFG since 2011
  • chair / co-chair DEGA technical committee "Speech Acoustics" (since 2016)

Selection of Important Scientific Publications

Döring, N., De Moor, K., Fiedler, M., Schoenenberg, K., & Raake, A. (2022). Videoconference Fatigue: A Conceptual Analysis. Int. J. Env. Res. & Public Health, 19(4), 2061.  
(Holistic review paper on videoconferencing / zoom fatigue, relevant for mediated interaction also in PT)

Lebreton, P., & Raake, A. (2018). GBVS360, BMS360, ProSal: Extending existing saliency prediction models from 2D to omnidirectional images. Sig. Proc. - image Comm., 69, 69–78.
(Award-winning 360° image saliency model (IEEE ICME 2018 challenge), addresses visual attention in complex scenes)

Lebreton, P., Raake, A., Barkowsky, M., & Le Callet, P. (2012). Evaluating Depth Perception of 3D Stereoscopic Videos. IEEE J. Sel. Topics Sig. Proc., 6(6), 710–720.
(Analysis of monoscopic / stereoscopic information for 3D video, underlying knowledge relevant for XR-based interfaces and real-world scene perception in PT)

Möller, S., & Raake, A. (2014). Quality of Experience: Advanced Concepts, Applications and Methods. Springer.
(First holistic book on Quality of Experience; principles can be applied to assessing PT-related processes and communication)

Raake, A. et al. (2020). Multi-Model Standard for Bitstream-, Pixel-Based and Hybrid Video Quality Assessment of UHD/4K: ITU-T P.1204. IEEE Access, 8, 193020–193049.   
(First comprehensive standard for higher-resolution perceptual video quality prediction; perceptual processes relevant for visual evaluation of XR-systems in PT)

Raake, A. et al. (2011). IP-Based Mobile and Fixed Network Audiovisual Media Services. IEEE Signal Proc. Mag., 28(6), 68–79.
(1st standardized audiovisual quality model, with aspects of human vision & audition)

Schoenenberg, K., Raake, A., & Koeppe, J. (2014). Why are you so slow? – Misattribution of transmission delay to attributes of the conversation partner at the far-end. Int. J. of Human-computer Studies, 72(5), 477–487.
(Work proofs misattribution of system lag to personality traits of conversation partners, relevant also for H2M communication)

Singla, A., Fremerey, S., Robitza, W., & Raake, A. (2017). Measuring and comparing QoE and simulator sickness of omnidirectional videos in different head mounted displays. In 2017 Int. Conf. Quality of Multimedia Exp. (QoMEX), IEEE.
(1st paper holistically addressing 360° video percept. Including cybersickness)

Skowronek, J., Raake, A., et al. (2022). Quality of Experience in Telemeetings and Videoconferencing: A Comprehensive Survey. IEEE Access, 10, 63885–63931.  
(Survey of research on H2H comm. and experience with videoconference Systems)

Spors, S., Wierstorf, H., Raake, A., Melchior, F., Frank, M., & Zotter, F. (2013). Spatial Sound With Loudspeakers and Its Perception: A Review of the Current State. Proc. of the IEEE, 101(9), 1920–1938.
(Comprehensive review showing influence factors for spatial audio fidelity, relevant for PT-related XR audio systems and digital twin simulations)


Google Scholar

Complete list of publications of the group

Academic Distinctions (selection)

2020 Nominated for Innovation Award of State of Thuringia
2019 Best Paper Award IEEE QoMEX 2019, Berlin (Co-author with D. Keller et al.)
2017 Best Head-saliency model Grand Challenge Salient360!, IEEE ICME 2017 (with P. Lebreton)
2015 Best Student Paper QoMEX 2015 (Co-author & supervisor Robitza et al.)
2013 Deutsche Telekom AG, Patent Award 2013
2011 ITG/VDE Johann-Philipp-Reis Preis
2011 Best Paper Award QoMEX 2011, Mechelen, Belgium
2010 Best Paper Award ISSPA 2010, Kuala-Lumpur, Malaysia (Co-author M.-N. Garcia)
2007 ITG Literature Price for book "’Speech Quality of VoIP"’, Wiley & Sons