• since 01/2024

  HFT: Department Head IT Services

• 02/2023 - 12/2023

  HFT: Department Head IT Basic Services and Support

• 01/2023 - 01/2023

  HFT: Co-Department Head Technical Department

• 08/2018 - 12/2022

  HFT: Managing Director of the Key Research Area "Technologies for Spatial Data and Simulation"

• 08/2015 - 07/2018

  TU Ilmenau, Institute of Media Technology, Audiovisual Technology (Prof. A. Raake): scientific staff member (PostDoc)

• 12/2016

  Promotion with Distinction in Electrical Engeneering and Information Sciences

• 08/2010 - 07/2015

  TU Berlin, Telekom Innovation Laboratories, Assessment of IP-based Applications (Prof. A. Raake): scientific staff member (PhD student)

• 11/2003 - 07/2010

  Philips Research Eindhoven, The Netherlands, Digital Signal Processing Group, Cluster Auditory and Multisensory Perception (Prof. A Kohlrausch): Research Scientist, after 04/2010 Senior Scientist

• 06/2003 - 10/2003

  Rücker GmbH, Gifhorn: Test Engineer for Volkswagen in the application domain Climatronic

• 12/2002 - 05/2003

  Ruhr-University Bochum, Institute for  Communication Acoustics (Prof. Blauert): research assisstent in the area of Spoken Dialogue Systems

• 10/1996 - 12/2002

  Ruhr-University Bochum: Studies of Electrical Engineering and Information Sciences (Dipl.-Ing.)

• 2023

  ITU-T Recommendation G.1092: Taxonomy of telemeetings from a quality of experience perspective

• 2022

  J. Skowronek, C. Rehm, C. Schache, B. Sinhuber, W. Knopki, "Digitalisierung im Forschungs- und Transfermanagement als Impulsgeber der Dritten Mission", in Wissenschaftsmanagement Ausgabe 2022, Lemmens Medien GmbH, 2023.

• 2022

  J. Skowronek et al., "Quality of Experience in Telemeetings and Videoconferencing: A Comprehensive Survey," in IEEE Access, vol. 10, pp. 63885-63931, 2022, doi: 10.1109/ACCESS.2022.3176369.

• 2018

  A. Raake, J. Skowronek, M. Soloducha, “Telecommunications Applications”, in “Sensory Evaluation of Sound”, CRC Press

• 2018

  G. Berndtsson, M. Schmitt, P. Hughes, J. Skowronek, K. Schoenenberg, A. Raake, „Methods for Human-centered Evaluation of MediaSync in Real-time Communication“, in “MediaSync: Handbook on Multimedia Synchronization”, Springer

• 2018

  J. Skowronek, E. Schön, A. Raake, M. Soloducha, P. Voigt, S. Bleiholder, F. Kettler, “On the Impact of Combinations of Terminal and Network Degradations on the Conversational Quality of Wideband Telephony”, DAGA

• 2017

  J. Skowronek, L. Nagel, C. Hold, H. Wierstorf, A. Raake, “Towards the development of preference models accounting for the impact of music production techniques”, DAGA

• 2016

  U. Sloma, F. Klein, T. Helbig, J. Skowronek, M. Gadyuchko, S. Werner, A. Breitbarth, A. Neihardt, A. Chillian, K. Brandenburg, A. Raake, G. Notni, T. Sattel, H. Witte, P. Husar, “GO-LEM: Charakterisie-rung der auditorischen und auditorisch-visuellen Wahrnehmung des Menschen in Alltagsszenen”, Erfurter Tage

• 2016

  J. Skowronek, A. Raake, “Akustische Herausforderungen für interaktive Gruppenkommunikation”, DAGA

• 2016

  M. Spur, D. Guse, J. Skowronek, “Influence of Packet Loss and Double-Talk on the Perceived Quality of Multi-Party Telephone Conferencing with Binaurally Presented Spatial Audio Reproduction”, DAGA

• 2019

  D. Keller, T. Seybold, J. Skowronek, “Assessing Texture Dimensions and Video Quality in Motion Picutres using Sensory Evaluation Techniques”, QoMEX, Berlin

• 2018

  J. Skowronek, A. Raake, “On the perception of multiparty conferencing calls”, QoMEX, Sardegna

• 2018

  S. Göring, J. Skowronek, A. Raake, “DeViQ – A deep no reference video quality model”, Human Vision and Electronic Imaging, San Francisco

• 2017

  A. Raake, J. Skowronek, H. Wierstorf, C. Hold, “Update on sound quality assessment with Two!Ears”, Acoustics, Boston

• 2016

  H. Kullmann, D. Guse, J. Skowronek, A. Raake, “Future of the ITU-T Software Tool Library (G.191)” , ITU-T COM 16 - C1121 - E

• 2017

  Update of ITU-T Recommendation P.1301 - Subjective quality evaluation of audio and audiovisual telemeetings

• 2017

  ITU-T Recommendation P.1310: Spatial audio meetings quality evaluation

• 2016

  ITU-T Recommendation P.1305: Effect of delays on the telemeeting quality

• 2017

  J. Skowronek, “Quality of Experience of Multiparty Conferencing and Telemeeting Systems – Methods and Models for Assessment and Prediction”, TU Berlin

• 2015

  J. Skowronek, A. Raake, “Assessment of Cognitive Load, Speech Communication Quality and Quality of Experience for spatial and non-spatial audio conferencing calls”, Speech Communication 66, 154-175

• 2014

  J. Skowronek, K. Schoenenberg, G. Berndtsson, „Multimedia Conferencing and Telemeetings“, in “Quality of Experience - Advanced Concepts, Applications, Methods”, 217-228, Springer

• 2015

  J. Skowronek, A. Raake, “Conceptual Model of Multiparty Conferencing and Telemeeting Quality”, QoMEX

• 2014

  J. Marscheider, M. Soloducha, J. Skowronek, “Environmental noise classification in context of speech transmission quality”, Forum Acusticum

• 2014

  F. Schiffner, J. Skowronek, A. Raake, “Speech Intelligibility and Quality of Transmitted Speech under Packet Loss”, Forum Acusticum

• 2014

  F. Schiffner, J. Skowronek, A. Raake, “On the Impact of Speech Intelligibility on Speech Quality in the Context of Voice over IP Telephony”, QoMEX

• 2013

  J. Skowronek, F. Schiffner, A. Raake, “On the influence of involvement on the quality of multiparty conferencing”, Perceptual Quality of Systems

• 2013

  S. Möller, F. Köster, J. Skowronek, F. Schiffner, “Analyzing Technical Causes and Perceptual Dimensions for Diagnosing the Quality of Transmitted Speech”, Perceptual Quality of Systems

• 2013

  J. Skowronek, J. Herlinghaus, A. Raake, “Quality Assessment of Asymmetric Multiparty Telephone Conferences: A Systematic Method from Technical Degradations to Perceived Impairments”, Interspeech

• 2013

  A. Raake, K. Schoenenberg, J. Skowronek, S. Egger, „Predicting Speech Quality Based on Interactivity and Delay”, Interspeech

• 2011

  K. Schoenenberg, A. Raake, J. Skowronek, “A conversation analytic approach to the prediction of leadership in two to six-party audio conferences”, QoMEX

• 2011

  J. Skowronek, A. Raake, “Investigating the effect of number of interlocutors on the quality of experience for multi-party audio conferencing”, Interspeech

• 2011

  J. Skowronek, A. Raake, K. Hoeldtke, M. Geier, “Speech recordings for systematic assessment of multi-party conferencing”, Forum Acusticum

• 2015

  J. Skowronek, A. Weigel, A. Raake, “Quality of Multiparty Telephone Conferences from the Perspective of a Passive Listener”, DAGA

• 2014

  J. Skowronek, A. Raake, A. De Silva, D. Roegiers, “Quality Assessment of Spatial Audio Conferencing Systems from an End User Perspective”, DAGA

• 2013

  J. Skowronek, K. Schoenenberg, A. Raake, “Experience with and insights about the new ITU-T standard on quality assessment of conferencing systems”, DAGA

• 2013

  M. Soloducha, J. Skowronek, A. Raake, “Evaluation of objective full reference model scores under realistic application constraints”, DAGA

• 2012

  J. Skowronek, “Internetumfrage zur Wahrnehmung heutiger Telefonkonferenzen im geschäftlichen Umfeld“, DAGA

• 2011

  J. Skowronek, A. Raake, “Einfluss von Bandbreite und räumlicher Sprachwiedergabe auf die kognitive Anstrengung bei Telefonkonferenzen in Abhängigkeit von der Teilnehmeranzahl“, DAGA

• 2011

  invited presentation: J. Skowronek, “Quality assessment of multiparty conferencing: Influence of number of interlocutors and audio reproduction method”, Seminar der Arbeitsgruppe Akustik, Universität Oldenburg

• 2014

  presentation: J. Skowronek, “Update on ITU-T SG12 Question 10 Activities”, Qualinet Spring Meeting, Berlin

• 2015

  J. Skowronek, D. Guse, “Results of a P.800/P.1301-type listening-only test for packet loss impairments in a spatial audio conferencing system”, ITU-T Contribution COM12 – C294 – E

• 2014

  F. Köster, S. Möller, J. Skowronek, F. Schiffner, “P.TCA exemplary listening material processing and validation”, ITU-T COM 12 – C 105 – E

• 2013

  F. Köster, S. Möller, J. Skowronek, F. Schiffner, “Validation of the P.TCA Annotation Methodology and Comparison to Perceptual Dimensions from P.AMD”, ITU-T COM 12 – C 40 – E

• 2013

  A. Raake, J. Skowronek, K. Schoenenberg, “Dependence of speech quality on delay and interactivity, and implications for the E model (Rec. ITU-T G.107)”, ITU-T COM 12 – C 79 – E

• 2013

  J. Skowronek, A. Raake, “Update on Number of interlocutors and QoE in multiparty telephone conferences”, ITU-T COM 12 – C 35 – E

• 2013

  J. Skowronek, H. Wierstorf, G. Berndtsson, E. Karlsson, „Initial Insights for P.SAM (Spatial Audio Meetings quality evaluation)“, ITU-T COM 12 – C 43 – E

• 2013

  E. Karlsson, G. Berndtsson, J. Skowronek, “Proposal for evaluation criterions for Spatial audio meetings quality evaluation (P.SAM)”, ITU-T COM 12 – C 50 – E

• 2012

  J. Skowronek, G. Berndtsson, L. Gros, K. Schoenenberg, M. Folkesson, V. Kulyk, A. Raake, “Proposed main body and normative annex for draft recommendation P.AMT”, ITU-T COM 12 – C 318 – E

• 2012

  J. Skowronek, G. Berndtsson, L. Gros, K. Schoenenberg, M. Folkesson, V. Kulyk, A. Raake, “Proposed non-normative appendices for draft recommendation P.AMT”, ITU-T COM 12 – C 319 – E

• 2012

  M. Soloducha, J. Skowronek, A. Raake, S. Möller, “Recent activities on speech quality assessment”, ETSI

• 2011

  A. Raake, B. Belmudez, J. Skowronek, K. Schoenenberg, “Translations of 3-party Conversation Test scenarios for conferencing assessment”, ITU-T COM 12 – C 272 – E

• 2011

  K. Schoenenberg, A. Raake, J. Skowronek, “Quality perception in three-party conversation tests with synchronous and asynchronous delay”,  ITU-T COM 12 – C 273 – E

• 2011

  J. Skowronek, “Topics for Question 18/12 in view of insights from a field survey”, ITU-T COM 12 – C 285 – E

• 2011

  J. Skowronek, A. Raake, “Development of scalable conversation test scenarios for multi-party telephone conferences”, ITU-T COM 12 – C 187 – E

• 2011

  J. Skowronek, A. Raake, “Listening test stimuli using scalable multiparty conversation test scenarios”, ITU-T COM 12 – C 286 – E

• 2011

  J. Skowronek, A. Raake, “Number of interlocutors and QoE in multiparty telephone conferences”, ITU-T COM 12 – C 287 – E

• 2011

  J. Skowronek, K. Schoenenberg, G. Berndtsson, M. Folkesson, A. Raake, “Initial insights for P.AMT based on reviewing existing recommendations”, ITU-T COM 12 – C 284 – E

• 2012

  ITU-T Recommendation P.1301 - Subjective quality evaluation of audio and audiovisual telemeetings

• 2014

  J. Skowronek, A. Raake, M. Vaalgamaa, M. Nilson, A. Dumitras, B. Feiten, “Method and Apparatus for Computing the Perceived Quality of a Multiparty Audio or Audiovisual Telecommunication Service or System”, Patent application

• 2012

  A.C. den Brinker, R. van Dinther, J. Skowronek, „Expressed music mood classification compared with valence and arousal ratings”, EURASIP Journal on Audio, Speech, and Music Processing

• 2005

  J. Skowronek, M.F. McKinney, “Features for Audio Classification: Percussiveness of Sounds”, in “Intelligent Algorithms in Ambient and Biomedical Computing”, Springer

• 2011

  A.C. den Brinker, R. van Dinther, J. Skowronek, "Mood Experiment for Music Recommendation", WIC Symposium on Information Theory in the Benelux

• 2011

  A.C. den Brinker, R. van Dinther, J. Skowronek, "Prediction of valence and arousal from music features”, AES Convention

• 2009

  T. Tsoneva, P. Fonseca, J. Skowronek, “Towards a Ground Truth for Affective Classification in Movies”, IEEE International Symposium on Multimedia

• 2007

  J. Skowronek, M.F. McKinney, S. van de Par, “A Demonstrator for Automatic Music Mood Estimation“, International Conference on Music Information Retrieval

• 2006

  J. Skowronek, M.F. McKinney, S. van de Par, “Ground truth for automatic music mood classification”, International Conference on Music Information Retrieval

• 2006

  J. Skowronek, M.F. McKinney, “Quality of Music Classification Systems: How to build the Reference?”, Perceptual Quality of Systems

• 2005

  Aki Härmä, M.F. McKinney, J. Skowronek, “Automatic surveillance of the acoustic activity in our living environment”, IEEE International Conference on Multimedia and Expo

• 2010

  J. Skowronek, D.V. Aliakseyeu, “Der Einfluss von farbigem Licht auf das Hörerleben von Musik im Heimbereich”, DAGA

• 2008

  J. Skowronek, M.F. McKinney, S. van de Par, J. Breebaart, “Anwendungsbeispiele für Musikanalyse-Algorithmen”, DAGA

• 2007

  J. Skowronek, M.F. McKinney, S. van de Par, “Erstellen einer Trainings- und Test-Datenbasis für die Klassifikation der Stimmung in Musik“, DAGA

• 2006

  B. Heim, J. Skowronek, R. Doornbos, “Feasibility of automatic sound recognition in elderly care monitoring”, DAGA

• 2006

  J. Skowronek, M.F. McKinney, "Perkussivität von Klängen als neues Merkmal zur Klassifikation von Musik-Genres“, DAGA

• 2005

  A. Kohlrausch, J. Breebaart, M.F. McKinney, S. van de Par, J. Skowronek, “Psychoacoustic contributions to new techniques for the representation of and interaction with multi-media content”, DAGA

• 2005

  J. Skowronek, M. Kappelmann, M.F. McKinney, “Automatic Classification of Environmental Sounds”, DAGA

• 2004

  J. Skowronek, S. van de Par, “Automatic noise substitution in natural audio signals”, DAGA

• 2005

  invited presentation: J. Skowronek, M.F. McKinney, “Klassifikation von Musik-Genres mittels Perkussivität”, Symposium Musikinformatik, Satellite Workshop der GI-Jahrestagung

• 2009

  presentation: J. Skowronek, I. Vogels, P. Seuntjens, “Multimodal Atmosphere Perception”, Multi-Sensory Symposium, Amsterdam

• 2009

  presentation: J. Skowronek, M. McKinney, A. Kohlrausch, “Music Mood and Color Experiment”, Dag van perceptie, Soesterberg, The Netherlands

• 2014

  M.F. McKinney, J. Skowronek, D. Sekulovski, B. Kater, “Control of light in response to an audio signal”, US Patent 8461443

• 2012

  D. V. Aliakseyeu, T. Tsoneva, J. Skowronek, P. Fonseca, “Method for Controlling a Second Modality based on a First Modality”, Patentan application

• 2012

  S. van de Par, M.F. McKinney, J. Skowronek, “Method of organising content items”, US Patent 8140542

• 2011

  D. V. Aliakseyeu, T. Tsoneva, J. Skowronek, P. Fonseca, “Method for generating a playlist”, Patentan application

• 2011

  J. Skowronek, “Method and Apparatus for Selecting a Multimedia Item”, Patent application

• 2010

  J. Skowronek, M.F. McKinney, “Method and Electronic Device for Determining a Characteristic of a Content Item”, US Patent 7718881

• 2010

  J. Skowronek, “System and Method for Associating a Category Label of One User With a Category Label Defined by Another User”, Patent application

• 2008

  S. van de Par, J. Skowronek, “Method and apparatus for classifying a spectro-temporal interval of an input audio signal, and a coder including such an apparatus”, US Patent 7373296

• 2004

  S. Möller, J. Skowronek, “An Analysis of Quality Prediction Models for Telephone-Based Spoken Dialogue Systems”, Acta Acustica united with Acustica 90, 1112-1130

• 2003

  S. Möller, J. Skowronek, "Quantifying the Impact of System Characteristics on Perceived Quality Dimensions of a Spoken Dialogue Service”, Eurospeech

• 2003

  S. Möller, J. Skowronek, “Einfluss von Spracherkennung und Sprachsynthese auf die Qualität natürlichsprachlicher Dialogsysteme“, DAGA

• 2019

  Best paper award, QoMEX 2019, Co-Autor of the papers: D. Keller, T. Seybold, J. Skowronek, “Assessing Texture Dimensions and Video Quality in Motion Picutres using Sensory Evaluation Techniques”, QoMEX, Berlin

• 2009

  Philips Research Award "Youngest employee with 1st US patent", for US Patent 7373296

• 2005

  DAGA Poster Award, for the paper: J. Skowronek, M. Kappelmann, M.F. McKinney,"Automatic classification of environmental sounds"

• 2003

  "Rotary-Universitätspreis 2002 für herausragende Studienleistungen" (Rotary university award 2002 for exceptional acdemic performance), for Diploma Thesis

Engagement in international standardization
- Co-Rapporteur ITU-T Study Group12 Question 10 (seit 2012)

Scientific engagement
Since 2018
- Chairman of the DEGA Fachausschusses Sprachakustik, before that Deputy Chairman since 2015
- Co-organisation of a Strukturierte Sitzung (special session) at DAGA 2019 „Speech and Audio Quality“
2017
- Co-organisation of a Strukturierte Sitzung (special session) at DAGA 2017 „Speech and Audio Quality“
- Member of the local organisation teams of QoMEX 2017 in Erfurt
2015
- Initiation of the Github group „Telecommunications and Telemedia Assessment“
Since 2004
- Reviewer of publications, especially ISMIR & QoMEX conferences, QoE Journal & Acta Acustica Journal