Martin Krawczyk-Becker studied electrical and information engineering at the Ruhr-Universität Bochum, Germany. His major was communciation technology with a focus on audio processing and he received his Dipl.-Ing. degree in August 2011. From January 2010 to July 2010 he was with Siemens Corporate Research in Princeton, NJ, USA. Since November 2011 he is pursuing a Ph.D in the field of speech enhancement and noise reduction.

• Reduction of additive noise
• Deterministic/stochastic modelling of speech
  
• Spatial Hearing

• Tutor for "Statistical Signal Processing"
• Tutor for "Advanced Topics Speech and Audio Processing"
• Tutor for "Einführung in die digitale Sprachverarbeitung"
• Tutor for "Fortgeschrittenenpraktikum Physik (DSP Blockpraktikum)"

1. Martin Krawczyk-Becker, Timo Gerkmann, "Fundamental frequency informed speech enhancement in a flexible statistical framework," IEEE/ACM Trans. Audio, Speech, Language Process., vol. 24, no. 5, pp. 940–951, May 2016.
2. Regina M. Baumgärtel, Martin Krawczyk-Becker, Daniel Marquardt, Christoph Völker, Hongmei Hu, Tobias Herzke, Graham Coleman, Kamil Adiloglu, Stephan M. A. Ernst, Timo Gerkmann, Simon Doclo, Birger Kollmeier, Volker Hohmann, Mathias Dietz, "Comparing binaural pre-processing strategies I: Instrumental evaluation," Trends in Hearing, vol. 19, 2015.
3. Regina M. Baumgärtel,Hongmei Hu, Martin Krawczyk-Becker, Daniel Marquardt, Tobias Herzke, Graham Coleman, Kamil Adiloglu, Katrin Bomke, Karsten Plotz, Timo Gerkmann, Simon Doclo, Birger Kollmeier, Volker Hohmann, Mathias Dietz, "Comparing binaural pre-processing strategies II: Speech intelligibility of bilateral cochlear implant users," Trends in Hearing, vol. 19,2015.
4. Timo Gerkmann, Martin Krawczyk-Becker, Jonathan Le Roux, "Phase Processing for Single Channel Speech Enhancement: History and Recent Advances", IEEE Signal Processing Magazine, Mar. 2015.
5. Martin Krawczyk, Timo Gerkmann, "STFT Phase Reconstruction in Voiced Speech for an Improved Single-Channel Speech Enhancement", IEEE/ACM Trans. Audio, Speech, Language Proc., 2014, Vol. 22, No. 12, pp. 1931-1940, Dec. 2014. [Audio + Code]
6. Timo Gerkmann, Martin Krawczyk, "MMSE-Optimal Spectral Amplitude Estimation Given the STFT-Phase", IEEE Signal Processing Letters, Vol. 20, No. 2, pp. 129-132, Feb. 2013. [Audio]

1. Martin Krawczyk-Becker, Timo Gerkmann, "MMSE-optimal combination of Wiener filtering and harmonic model based speech enhancement in a general framework," in IEEE Workshop Appl. Signal Process. Audio, Acoust. (WASPAA), New Paltz, NY, USA, Oct. 2015
2. Sidsel. M. Nørholm, Martin Krawczyk-Becker, Timo Gerkmann, Steven van de Par, Jesper R. Jensen, Mads G. Christensen, "Least squares estimate of the initial phases in STFT based speech enhancement," in ISCA Interspeech, Dresden, Germany, Sep. 2015
3. Martin Krawczyk-Becker, Dörte Fischer, Timo Gerkmann, "Utilizing Spectro-Temporal Correlations for an Improved Speech Presence Probability Based Noise Power Estimation", in IEEE Int. Conf. Acoust., Speech, Signal Process. (ICASSP), Brisbane, Australia, April 2015.
4. Robert Rehr, Martin Krawczyk, and Timo Gerkmann, "A posteriori voiced / unvoiced probability estimation based on a sinusoidal model," in IEEE Int. Conf. Acoust., Speech, Signal Process. (ICASSP), Florence, Italy, May 2014.
5. Martin Krawczyk, Robert Rehr, Timo Gerkmann, "Phase-Sensitive Real-Time Capable Speech Enhancement Under Voiced-Unvoiced Uncertainty", European Signal Processing Conference (EUSIPCO), Marrakech, Morocco, Sep 2013, invited paper.
6. Timo Gerkmann, Martin Krawczyk, Robert Rehr, "Phase estimation in speech enhancement - unimportant, important, or impossible?", IEEE Convention of Electrical and Electronics Engineers in Israel, Eilat, Israel, Nov. 2012.
7. Martin Krawczyk, Timo Gerkmann, "STFT Phase Improvement for Single Channel Speech Enhancement", Int. Workshop Acoust. Signal Enhancement (IWAENC), Aachen, Germany, Sep. 2012.
8. Gerald Enzner, Martin Krawczyk, Falk-Martin Hoffmann, Michael Weinert, "3D reconstruction of HRTF-fields from 1D continuous measurements", IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, New Paltz, NY, USA, Oct. 2011.
9. Timo Gerkmann, Martin Krawczyk, Rainer Martin, "Speech presence probability estimation based on temporal cepstrum smoothing", IEEE Int. Conf. Acoustics, Speech, Signal Processing, Dallas, TX, USA, Mar. 2010.
10. Colin Breithaupt, Martin Krawczyk, Rainer Martin, "Parameterized MMSE spectral magnitude estimation for the enhancement of noisy speech", IEEE Int. Conf. Acoustics, Speech, Signal Processing, Las Vegas, NV, USA, Apr. 2008.

1. R. Baumgärtel, D. Marquardt, M. Krawczyk, Hongmei Hu, Tobias Herzke, Graham Coleman, Kamil Adiloglu, Katrin Bomke, Karsten Plotz, Rainer Huber, Timo Gerkmann, Simon Doclo, Birger Kollmeier, Volker Hohmann, Mathias Dietz, “Speech understanding in realistic noise environments using binaural signal pre-processing strategies in bilateral CI users,” in International Conference on Cochlear Implants and Other Implantable Auditory Technologies, Munich, Germany, Mar. 2014.
2. R. Baumgärtel, D. Marquardt, M. Krawczyk, Hongmei Hu, Tobias Herzke, Graham Coleman, Kamil Adiloglu, Katrin Bomke, Karsten Plotz, Rainer Huber, Timo Gerkmann, Simon Doclo, Birger Kollmeier, Volker Hohmann, Mathias Dietz, "Sprachverstehen bilateral implantierter Cochlea-Implantat-Träger in realistischen Störgeräuschen bei Benutzung binauraler Signalverarbeitungsstrategien," in DAGA – Deutsche Arbeitsgemeinschaft für Akustik, Oldenburg, Germany, Mar. 2014.
3. R. Rehr, M. Krawczyk, and T. Gerkmann, "A comparison of state-of-the-art speech fundamental frequency estimators in noisy and reverberant environments," in DAGA – Deutsche Arbeitsgemeinschaft für Akustik, Oldenburg, Germany, Mar. 2014
4. T. Gerkmann, M. Krawczyk, and R. Rehr, "Phase estimation for single channel speech enhancement: Meaningless, important, or impossible?" In AUDIS Workshop, Aachen, Germany, Sep. 2012.