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TU Berlin

Inhalt des Dokuments

Marcel Wältermann

Lupe

Research Field:

- Quality of Speech and Audio

Research Topics:


- Multidimensional Analysis of End-to-end Speech Transmission
- Modeling of Speech Quality

Biography


2005 – Diploma in Electrical Engineering from Ruhr-University Bochum

2005-2007 – Scientific Researcher at Institute of Communication Acoustics (IKA), Ruhr-University Bochum

2007-2012 – Scientific Researcher at Quality and Usability Lab, Deutsche Telekom Laboratories, TU Berlin

2009-2012 - Acting Co-Rapporteur of Question 8/12, International Telecommunication Union (ITU-T)

Teaching

Übungen zur Vorlesung “Qualität kommunikationstechnischer Systeme” (3 SWS), SS 2005 – SS 2007 (Ruhr-Universität Bochum und Technische Universität Berlin)

Address

Quality and Usability Lab
Deutsche Telekom Laboratories
TU Berlin
Ernst-Reuter-Platz 7
D-10587 Berlin, Germany

Tel: +49 30 8353 58471
Fax: +49 30 8353 58409

Lupe

Publications


2010

  • Wältermann, M., Raake, A., Möller, S. (2010). "Quality Dimensions of Narrowband and Wideband Speech Transmission". In: Acta Acustica united with Acustica, Vol. 96(6), 2010.
  • Wüstenhagen, U., Feiten, B., Kroll, J., Raake, A., Wältermann, M. (2010). "Evaluation of Superwideband Speech and Audio Codecs". In: Proc. 129th AES Convention, 4-7 November, US-San Francisco CA, Paper No. 8205.
  • Wältermann, M., Raake, A., Möller, S. (2010). "Analytical Assessment and Distance Modeling of Speech Transmission Quality". In: Proc. 11th Annual Conference of the International Speech Communication Association (Interspeech 2010), 26-30 September 2010, JP-Makuhari, 1313-1316.
  • Wältermann, M., Raake, A., Möller, S. (2010). "Can Latent Speech Quality Dimensions Be Quantified Directly?". In: Proc. 3rd International Workshop on Perceptual Quality of Systems (PQS 2010), 6-8 September 2010, D-Bautzen, 94-99.
  • Möller, S., Kettler, F., Gierlich, H.-W., Côté, N., Raake, A., Wältermann, M. (2010). "Extending the E-Model to Better Capture Terminal Effects". In: Proc. 3rd International Workshop on Perceptual Quality of Systems (PQS 2010), 6-8 September 2010, D-Bautzen, 70-75.
  • Côté, N., Koehl, V., Möller, S., Raake, A., Wältermann, M., Gautier-Turbin, V. (2010). "Diagnostic Instrumental Speech Quality Assessment in a Super-Wideband Context". In: Proc. 3rd International Workshop on Perceptual Quality of Systems (PQS 2010), 6-8 September 2010, D-Bautzen, 76-81.
  • Raake, A., Wältermann, M., Schiffner, F., Wüstenhagen, U., Feiten, B. (2010). "How to Talk About Speech and Audio Quality with Speech and Audio People?". In: Proc. 3rd International Workshop on Perceptual Quality of Systems (PQS 2010), 6-8 September 2010, D-Bautzen, 82-87.
  • Möller, S., Raake, A., Wältermann, M., Côté, N. (2010). "Towards a Universal Scale for Perceptual Value". In: Proc. 2nd Int. IEEE Workshop on Quality of Multimedia Experience (QoMEX '10), 21-23 June 2010, NO-Trondheim, 142-146.
  • Raake, A., Möller, S., Wältermann, M., Côté, N., Ramirez, J.-P. (2010). "Parameter-based Prediction of Speech Quality in Listening Context - Towards a WB E-Model". In: Proc. 2nd Int. IEEE Workshop on Quality of Multimedia Experience (QoMEX '10), 21-23 June 2010, NO-Trondheim, 182-187.
  • Möller, S., Kettler, F., Gierlich, H.-W., Côté, N., Raake, A., Wältermann, M. (2010). "ITU-T Contribution COM 12-124: Extending the E-Model to Better Capture Terminal Effects". Source: Deutsche Telekom AG, Head Acoustics GmbH, ITU-T SG12 Meeting, 18-27 May 2010, CH-Geneva.
  • Möller, S., Barriac, V., Côté, N., Raake, A., Wältermann, M. (2010). "ITU-T Contribution COM 12-121: Position Towards a Perceptual Dimension Analysis". Source: Deutsche Telekom AG, France Télécom, ITU-T SG12 Meeting, 18-27 May 2010, CH-Geneva.
  • Raake, A., Möller, S., Wältermann, M. (2010). "ITU-T Contribution COM 12-120: First Draft Listening WB E-Model". Source: Deutsche Telekom AG, ITU-T SG12 Meeting, 18-27 May 2010, CH-Geneva.
  • Wältermann, M., Raake, A., Möller, S. (2010). "ITU-T Contribution COM 12-119: Towards a Super-Wideband E-Model". Source: Deutsche Telekom AG, ITU-T SG12 Meeting, 18-27 May 2010, CH-Geneva.
  • Wältermann, M., Tucker, I., Raake, A., Möller, S. (2010). "Extension of the E-Model towards Super-Wideband Speech Transmission". In: Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP 2010), 14-19 March, USA-Dallas TX, 4654-4657.
  • Wältermann, M., Tucker, I., Raake, A., Möller, S. (2010). "Erweiterung des E-Modells für Super-Wideband-Sprachübertragung". In: Fortschritte der Akustik (DAGA '10), 36. Jahrestagung für Akustik, D-Berlin, 15.-18. März 2010, Deutsche Gesellschaft für Akustik e.V. (DEGA), D-Berlin, 999-1000.

2009

  • Wältermann, M., Raake, A., Möller, S. (2009). "ITU-T Contribution COM 12-82: Assessment of Speech Quality Dimensions: Methodology, Experiments, Analysis". Source: Deutsche Telekom AG, ITU-T SG12 Meeting, 3-12 November 2009, CH-Geneva.
  • Möller, S., Raake, A., Wältermann, M., Côté, N. (2009). "ITU-T Contribution COM 12-81: Towards a Universal Scale for Perceptual Value". Source: Federal Republic of Germany, ITU-T SG12 Meeting, 3-12 November 2009, CH-Geneva.
  • Lewcio, B., Möller, S., Wältermann, M., Vidales, P. (2009). "ITU-T Contribution COM 12-80: Speech Quality Prediction in Wireless Heterogeneous Networks with Aspects of Wideband-narrowband Speech Codec Switching". Source: Federal Republic of Germany, ITU-T SG12 Meeting, 3-12 November 2009, CH-Geneva.
  • Raake, A., Spors, S., Wältermann, M. (2009). "Which Wideband Speech Codec? Quality Impact Due to Room-Acoustics at Send Side and Presentation Method". In: Proc. 127th AES Convention, 9-12 Oct, US-New York NY, Paper No. 7823.
  • Möller, S., Kirschnick, N., Lewcio, B., Vidales, P., Wältermann, M. (2009). "Sprachqualität in drahtlosen Next Generation Networks: Einflüsse von Netzwechseln im Konversationsversuch". Elektronische Sprachsignalverarbeitung. Tagungsband der 20. Konferenz, 21.-24. Sept., R. Hoffmann (ed.), TUDpress, DE-Dresden, 302-309.
  • Raake, A., Wältermann, M., Côté, N. and Möller, S. (2009). "Speech Quality of Wideband VoIP Under Packet Loss".  Elektronische Sprachsignalverarbeitung. Tagungsband der 20. Konferenz, 21.-24. Sept., R. Hoffmann (ed.), TUDpress, DE-Dresden, 310-319.
  • Vidales, P., Wältermann, M., Lewcio, B., Möller, S. (2009). "User Experience in 4G Networks". In: Fourth-Generation (4G) Wireless Networks: Applications and Innovations (S. Adibi and A. Mobasher, eds.), IGI Global, US-Hershey PA.
  • Lewcio, B., Wältermann, M., Möller, S., Vidales, P. (2009). "E-model supported Switching between Narrowband and Wideband Speech Quality". In: Proc. 1st Int. IEEE Workshop on Quality of Multimedia Experience (QoMEX '09), 29-31 July, US-San Diego CA.
  • Möller, S., Wältermann, M., Lewcio, B., Kirschnick, N., Vidales, P. (2009). "Speech Quality while Roaming in Next Generation Networks". In: Proc. IEEE Int. Conf. on Communications (ICC 2009), 14-18 June 2009, DE-Dresden, 1–5.
  • Wältermann, M., Raake, A., Möller, S. (2009). "Feature Decomposition and Modeling of Speech Quality for Various Wideband Conditions". In: Proc. NAG/DAGA 2009 Int. Conf. on Acoustics, 23-26 March 2009, NL-Rotterdam, 1147–1148.
  • Lewcio, B., Wältermann, M., Vidales, P., Raake, A., Möller, S. (2009). "Performance of Instrumental Speech Quality Measures for Next Generation Wireless Networks". In: Proc. NAG/DAGA 2009 Int. Conf. on Acoustics, 23-26 March 2009, NL-Rotterdam, 1161–1163.
  • Raake, A., Wältermann, M., Moore, B. C. J., Tan, C.-T. (2009). "Comparison of Spectrum-based Models for Speech and Audio Quality and Naturalness Estimation". In: Proc. NAG/DAGA 2009 Int. Conf. on Acoustics, 23-26 March 2009, NL-Rotterdam.
  • Lewcio, B., Möller, S., Wältermann, M., Vidales, P. (2009). "ITU-T Contribution COM 12-42: User Perception of VoIP Quality in Dynamic Wireless Heterogeneous NGNs". Source: Federal Republic of Germany, ITU-T SG12 Meeting, 10-19 March 2009, CH-Geneva.
  • Wältermann, M., Raake, A., Möller, S. (2009). "ITU-T Contribution COM 12-41: Proposal for the Subjective Assessment of Single Perceptual Dimensions for Conditions Containing Multi-dimensional Degradations". Source: Federal Republic of Germany, ITU-T SG12 Meeting, 10-19 March 2009, CH-Geneva.
  • Wältermann, M., Raake, A., Möller, S. (2009). "ITU-T Contribution COM 12-39: Comparison between the Discrete ACR Scale and an Extended Continuous Scale for the Quality Assessment of Transmitted Speech". Source: Federal Republic of Germany, ITU-T SG12 Meeting, 10-19 March 2009, CH-Geneva.
  • Raake, A., Wältermann, M., Côté, N. (2009). "ITU-T Contribution COM 12-23: Wideband Equipment Impairment Factors Ie,wb for the G.729.1 and Packet Loss Robustness Factors Bpl for the G.729.1, the G.722.2 and the G.722 WB-Codecs for usage in the WB-E-Model". Source: Deutsche Telekom AG, ITU-T SG12 Meeting, 10-19 March 2009, CH-Geneva.


2008


  • Rath, M., Wältermann, M. (2008). "Exploring the Perceptual Relevance of Inherent Variability of Drum Sounds". In: Computer Music Modeling and Retrieval. Sense of Sounds, Lecture Notes in Computer Science, Springer, D-Berlin, 4969/2008, 303-312.
  • Huo, L., Wältermann, M., Heute, U., Möller, S. (2008). "Estimation Model for the Speech-Quality Dimension 'Continuity'". In: 8. ITG-Fachtagung Sprachkommunikation, 8.-10. Oktober 2008, D-Aachen, ITG-Fachbericht Band 211, VDE Verlag, D-Berlin.
  • Möller, S., Wältermann, M., Lewcio, B., Kirschnick, N., Vidales, P. (2008). "Handovers between Narrowband and Wideband Speech Transmission". In: 8. ITG-Fachtagung Sprachkommunikation, 8.-10. Oktober 2008, D-Aachen, ITG-Fachbericht Band 211, VDE Verlag, D-Berlin.
  • Wältermann, M., Raake, A., Möller, S. (2008). "Modeling of Integral Quality Based on Perceptual Dimensions - A Framework for a New Instrumental Speech-Quality Measure". In: 8. ITG-Fachtagung Sprachkommunikation, 8.-10. Oktober 2008, D-Aachen, ITG-Fachbericht Band 211, VDE Verlag, D-Berlin.
  • Scholz, K., Kühnel, C., Wältermann, M., Möller, S., Heute, U. (2008). "Assessment of the Speech-Quality Dimension 'Noisiness' for the Instrumental Estimation and Analysis of Telephone-Band Speech Quality". In: Proc. 9th Annual Conference of the International Speech Communication Association (Interspeech 2008), 22-26 September 2008, AU-Brisbane, 703-706.
  • Wältermann, M., Scholz, K., Möller, S., Huo, L., Raake, A., Heute, U. (2008). "An Instrumental Measure for End-to-end Speech Transmission Quality Based on Perceptual Dimensions: Framework and Realization". In: Proc. 9th Annual Conference of the International Speech Communication Association (Interspeech 2008), 22-26 September 2008, AU-Brisbane, 61-64.
  • Ramirez, J.-P., Raake, A., Wältermann, M., Möller, S. (2008). "Predicting Speech Quality under Noise in Wideband Speech Transmission". In: Proc. 155th Meeting of the Acoust. Soc. of America / 5th Forum Acusticum / 9e Congrès Français d’Acoustique / 2nd ASA-EAA Joint Conference (Acoustics'08), 29 June – 4 July, F-Paris.
  • Wältermann, M., Côté, N., Raake, A., Möller, S. (2008). "A Comparison Between Two Methods for Speech Transmission Quality Assessment with Noise Simulation at Receiver’s Side". In: Proc. 155th Meeting of the Acoust. Soc. of America / 5th Forum Acusticum / 9e Congrès Français d’Acoustique / 2nd ASA-EAA Joint Conference (Acoustics'08), 29 June – 4 July, F-Paris.
  • Huo, L., Wältermann, M., Heute, U., Möller, S. (2008). "Estimation Model for the Speech-Quality Dimension ’Noisiness’". In: Proc. 155th Meeting of the Acoust. Soc. of America / 5th Forum Acusticum / 9e Congrès Français d’Acoustique / 2nd ASA-EAA Joint Conference (Acoustics'08), 29 June – 4 July, F-Paris, 5921-5926.
  • Lewcio, B., Möller, S., Vidales, P., Wältermann, M., Kirschnick, N. (2008). "Methods for Multimedia Service Adaptation in Next Generation Networks". In: Proc. ETSI Workshop on the Effects of Transmission Performance on Multimedia QoS, CZ-Prague, 17-19 June 2008, European Telecommunications Standards Institute, F-Sophia Antipolis.
  • Raake, A., Wältermann, M., Möller, S. (2008). "ITU-T Contribution COM 12-178: Towards a New E-Model Impairment Factor for Linear Distortion of Narrowband and Wideband Speech Transmission". Source: Federal Republic of Germany, ITU-T SG 12 Meeting, 22-30 May 2008, CH-Geneva.
  • Wältermann, M., Lewcio, B., Vidales, P., Möller, S. (2008). "A Technique for Seamless VoIP-Codec Switching in Next Generation Networks". In: Proc. IEEE Int. Conf. on Communications (ICC 2008), Communication Software and Services Symposium, 19-23 May, CN-Beijing.
  • Wältermann, M., Raake, A., Möller, S. (2008). "The Sound Character Space of Spectrally Distorted Telephone Speech and its Impact on Quality". In: Proc. 124th AES Convention, 17-20 May, NL-Amsterdam, Paper No. 7464.
  • Wältermann, M., Raake, A. (2008). "Towards a new E-Model Impairment Factor for Linear Distortion of Narrowband and Wideband Speech Transmission". In: Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP 2008), 30 March - 4 April, USA-Las Vegas NV, 4817-4820.
  • Vidales, P., Kirschnick, N., Lewcio, B., Steuer, F., Wältermann, M., Möller, S. (2008). "Mobisense Testbed: Merging User Perception and Network Performance". In: Proc. 4th Int. Conf. on Testbeds and Research Infrastructures for the Development of Networks & Communities (TRIDENTCOM 2008), 18-20 March, A-Innsbruck.
  • Wältermann, M., Raake, A. (2008). "Ein neuer Qualitätsfaktor für die Modellierung linearer Verzerrungen bei der Übertragung von Sprache". In: Fortschritte der Akustik (DAGA '08), 34. Jahrestagung für Akustik, D-Dresden, 10.-13. März 2008, Deutsche Gesellschaft für Akustik e.V. (DEGA), D-Berlin, 631-632.
  • Ramirez, J.-P., Raake, A., Wältermann, M., Möller, S. (2008). "Predicting Speech Quality under Noise for a Wideband E-model". In: Fortschritte der Akustik (DAGA '08), 34. Jahrestagung für Akustik, D-Dresden, 10.-13. März 2008, Deutsche Gesellschaft für Akustik e.V. (DEGA), D-Berlin, 627-628.
  • Möller, S., Côté, N., Wältermann, M., Raake, A. (2008). "Wie gut ist breitbandige Sprachübertragung wirklich? Ein Lagebericht zur Erweiterung des E-Modells". In: Fortschritte der Akustik (DAGA '08), 34. Jahrestagung für Akustik, D-Dresden, 10.-13. März 2008, Deutsche Gesellschaft für Akustik e.V. (DEGA), D-Berlin, 625-626.


2007

  • Huo, L., Wältermann, M., Scholz, K., Raake, A., Heute, U., Möller, S. (2007). "Estimation Model for the Speech-Quality Dimension 'Directness/Frequency Content'". In: Proc. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA 2007), 21-24 October 2007, USA-New Paltz, NY, 78-81.
  • Wältermann, M., Côté, N., Möller, S. (2007). "ITU-T Contribution COM 12-105: Effect of Noise Simulation at the Listener's Side on Overall Speech Quality Judgments." Source: Federal Republic of Germany, France Télécom, ITU-T SG 12 Meeting, 2-11 October 2007, CH-Geneva.
  • Wältermann, M., Möller, S., Raake, A., Beerends, J. (2007). "ITU-T Contribution COM 12-74: Proposal for Benchmarking of the P.OLQA Degradation Decomposition." Source: Deutsche Telekom AG, TNO Information and Communication Technology, ITU-T SG 12 Meeting, 2-11 October 2007, CH-Geneva.
  • Rath, M., Wältermann, M. (2007). "An Exploration into Potential Relevance of Differences of Individual Sounds in Drum Patterns." In: Proc. International Computer Music Conference (ICMC'07), 27-31 August 2007, DK-Copenhagen, 385-388.
  • Wältermann, M., Raake, A., Möller, S. (2007). "Dimension Analysis of Wideband-transmitted Speech." 3rd ETSI Workshop on Speech and Noise in Wideband Communication, 22-23 May 2007, European Telecommunications Standards Institute, F-Sophia Antipolis.
  • Wältermann, M., Raake, A., Möller, S. (2007). "Auswirkungen spektraler Eigenschaften auf die Klangfarbe und Qualität übertragener Sprache." In: Fortschritte der Akustik (DAGA '07), 33. Jahrestagung für Akustik, D-Stuttgart, 19.-22. März 2007, Deutsche Gesellschaft für Akustik e.V. (DEGA), D-Berlin, 77-78.
  • Wältermann, M., Möller, S. (2007). "ITU-T Contribution COM 12-53: P.OLQA Degradation Decomposition: Perceptual Basis for Degradation Indicators." Source: Deutsche Telekom AG, ITU-T SG 12 Meeting, 16-25 January 2007, CH-Geneva.


2006

  • Wältermann, M., Scholz, K., Raake, A., Heute, U., Möller, S. (2006). "Underlying Quality Dimensions of Modern Telephone Connections." In: Proc. 7th Annual Conference of the International Speech Communication Association (Interspeech 2006), 17-21 September 2006, USA-Pittsburgh, PA, 2170-2173.
  • Scholz, K., Wältermann, M., Huo, L., Raake, A., Möller, S., Heute, U. (2006). "Estimation of the Quality Dimension 'Directness/Frequency Content' for the Instrumental Assessment of Speech Quality." In: Proc. 7th Annual Conference of the International Speech Communication Association (Interspeech 2006), 17-21 September 2006, USA-Pittsburgh, PA, 1523-1526.
  • Wältermann, M., Raake, A., Möller, S. (2006). "Perceptual Dimensions of Wideband-transmitted Speech." In: Proc. 2nd ISCA/DEGA Tutorial and Research Workshop on Perceptual Quality of Systems, 4-6 September 2006, D-Berlin, 103-108.
  • Möller, S., Raake, A., Kitawaki, N., Takahashi, A., Wältermann, M. (2006). "ITU-T Delayed Contribution D.151: Towards a Wideband E-Model: R-Scale Extension and Impairment Factors for Wideband Speech Codecs." Source: Federal Republic of Germany and Japan, ITU-T SG 12 Meeting, 5-13 June 2006, CH-Geneva.
  • Scholz, K., Wältermann, M., Huo, L., Raake, A., Möller, S., Heute, U. (2006). "Vergleich der instrumentellen Erfassung der Qualitätsdimension 'Direktheit/Frequenzgehalt' bei Schmalband- und Breitbandsprache." In: 7. ITG-Fachtagung Sprachkommunikation, D-Kiel, 26.-28. April 2006,  ITG-Fachbericht Band 192, VDE Verlag, D-Berlin.
  • Möller, S., Raake, A., Kitawaki, N., Takahashi, A., Wältermann, M. (2006). "Impairment Factor Framework for Wideband Speech Codecs." IEEE Trans. on Audio, Speech, and Language Proc., 14(6), 1969-1976.
  • Scholz, K., Wältermann, M., Huo, L., Raake, A., Möller, S., Heute, U. (2006). "Messtechnische Erfassung der Qualitätsdimension 'Direktheit/Frequenzgehalt' zur instrumentellen Analyse und Beurteilung von Sprachqualität." In: Fortschritte der Akustik (DAGA '06), 32. Jahrestagung für Akustik, D-Braunschweig, 20.-23. März 2006, Deutsche Gesellschaft für Akustik e.V. (DEGA), D-Berlin, 459-460.
  • Wältermann, M., Scholz, K., Raake, A., Heute, U., Möller, S. (2006). "Qualitätsdimensionen bei der Sprachübertragung in modernen Telekommunikationsnetzen." In: Fortschritte der Akustik (DAGA '06), 32. Jahrestagung für Akustik, D-Braunschweig, 20.-23. März 2006, Deutsche Gesellschaft für Akustik e.V. (DEGA), D-Berlin, 457-458.


2005

  • Wältermann, M., Möller, S. (2005). "ITU-T Delayed Contribution D.071: Perceptual Correlates of the E-Model's Impairment Factors." Source: Federal Republic of Germany, ITU-T SG 12 Meeting, 17-21 October 2005, CH-Geneva.
  • Heute, U., Möller, S., Raake, A., Scholz, K., Wältermann, M. (2005). "Integral and Diagnostic Speech-Quality Measurement: State of the Art, Problems, and New Approaches." In: Proc. 4th European Congress on Acoustics (Forum Acusticum Budapest 2005), H-Budapest, 1695-1700.
  • Wältermann, M., Raake, A., Möller, S. (2005). "Quality Dimensions of Narrow-Band and Wideband Telephone Connections." 2nd ETSI Workshop on Wideband Speech Quality in Terminals and Networks: Assessment and Prediction, D-Mainz, 22-23 June 2005, European Telecommunications Standards Institute, F-Sophia Antipolis.

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