Dr.-Ing. Hauke Krüger

Scientist

Room: 212
+49 241 80-26963
+49 241 80-22254
krueger(at)iks.rwth-aachen.de

Research

Main focus:

  • Audiocoding with low algorithmic delay
  • Rapid Prototyping of PC based real-time demonstrators for new digital audio signal processing algorithms

Interests:

  • Narrowband and wideband Speech coding
  • Efficient coding of multichannel audio signals
  • Digital signal processing for music production
  • Speech synthesis

Anwendungsbeispiele:

  • SCELP: Low delay audio codec based on spherical vector quantization
  • RTProc: software platform for the development of demonstrators for real-time audio signal processing algorithm

Teaching

  • Supervision of the "Signalprocessing" Laboratory

Student Theses

Work packages in the following fields are available:

  • Efficient audio coding with low algorithmic delay
  • Efficient coding of multichannel audio
  • Development of tools for rapid prototyping of real-time audio processing algorithms
  • Modeling of speechA
  • lgorithms for musicians

Publications

Publications from Sep/ 2014 to Mar/ 2010

Geiser, B., Krüger, H., Vary, P. and Wiese, D.: A Differential Microphone Array with Input Level Alignment, Directional Equalization and Fast Notch Adaptation for Handsfree Communication, in ITG-Fachtagung Sprachkommunikation Sep/2014


Krüger, H., Geiser, B. and Vary, P.: On Reverse Waterfilling in Closed-Loop LPC with Noise Shaping, in ITG-Fachtagung Sprachkommunikation Sep/2014


Korse, S. , Krüger, H., Pawig, M. and Vary, P.: Linear Predictive Coding With Backward Adaptation and Noise Shaping, in ITG-Fachtagung Sprachkommunikation Sep/2014


Krüger, H., Geiser, B. and Vary, P.: On Noise Propagation in Closed-Loop Linear Predictive Coding, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , p.p. 3718-3722 May/2014


Rüngeler, M., Krüger, H., Behler, G. and Vary, P.: HD-Voice-3D: Herausforderungen und Lösungen bei der Audiosignalverarbeitung, in Workshop Audiosignal- und Sprachverarbeitung (WASP) , p.p. 2972-2986 Sep/2013


Rohlfing, C., Krüger, H. and Vary, P.: Logarithmic Cubic Vector Quantization: Concept and Analysis, in Proceedings of International Symposium on Information Theory and its Applications (ISITA) , p.p. 294-298 Oct/2012


Rohlfing, C., Krüger, H. and Vary, P.: Logarithmic Cubic Vector Quantization, in ITG-Fachtagung Sprachkommunikation , p.p. 203-206 Sep/2012


Rüngeler, M., Krüger, H., Schlien, T. and Vary, P.: Spatial Audio Conferencing using Binaural HD Voice, in International Workshop on Acoustic Signal Enhancement (IWAENC) Sep/2012


Krüger, H., Schlien, T., Rüngeler, M. and Vary, P.: The Software Defined Terminal, in International Workshop on Acoustic Signal Enhancement (IWAENC) Sep/2012


Jeub, M., Herglotz, C., Krüger, H., Beaugeant, C. and Vary, P.: Real-Time Noise Reduction for Dual-Microphone Mobile Phones, in IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) Mar/2012


Krüger, H., Geiser, B., Vary, P., Li, H. T. and Zhang, D.: A Fast Indexing Method for Shells of the Gosset Lattice, in Konferenz Elektronische Sprachsignalverarbeitung (ESSV) , 61 , p.p. 205-212 , TuDPress Verlag der Wissenschaften GmbH, Sep/2011, ISBN: 978-3-94271-037-4


Krüger, H., Schumacher, T., Jeub, M. and Vary, P.: Combined analog/digital broadband feedback ANC for headsets, in Konferenz Elektronische Sprachsignalverarbeitung (ESSV) , 61 , p.p. 213-220 , TuDPress Verlag der Wissenschaften GmbH, Sep/2011, ISBN: 978-3-94271-037-4


Jeub, M., Nelke, C. M., Krüger, H., Beaugeant, C. and Vary, P.: Robust Dual-Channel Noise Power Spectral Density Estimation, in Proceedings of European Signal Processing Conference (EUSIPCO) , p.p. 2304-2308 Aug/2011


Krüger, H., Geiser, B., Vary, P., Li, H. T. and Zhang, D.: Gosset Lattice Spherical Vector Quantization with Low Complexity, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , p.p. 485-488 , (Prague, Czech Republic) May/2011, ISBN: 978-1-45770-539-7, 10.1109/ICASSP.2011.5946446


Schumacher, T., Krüger, H., Jeub, M., Vary, P. and Beaugeant, C.: Active Noise Control in Headsets: A New Approach for Broadband Feedback ANC, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , p.p. 417-420 , (Prague, Czech Republic) May/2011, ISBN: 978-1-45770-539-7


Jeub, M., Krüger, H., Löllmann, H. W., Bücs, R., Bulla, C., Schlien, T. and Vary, P.: Real-Time Dereverberation for Hearing Aids with Binaural Link, in IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , (Prague, Czech Republic) May/2011, ISBN: 978-1-45770-539-7


Krüger, H., Geiser, B. and Vary, P.: Gosset Low Complexity Vector Quantization with Application to Audio Coding, in ITG-Fachtagung Sprachkommunikation , (Bochum, Germany) , VDE Verlag GmbH, Oct/2010, ISBN: 978-3-80073-300-2


Jeub, M., Schäfer, M., Krüger, H., Nelke, C. M., Beaugeant, C. and Vary, P.: Do We Need Dereverberation for Hand-Held Telephony?, in International Congress on Acoustics (ICA) , (Sydney, Australia) Aug/2010, ISBN: 978-0-64654-052-8


Krüger, H., Jeub, M., Schumacher, T., Vary, P. and Beaugeant, C.: Investigation and Development of Digital Active Noise Control Headsets, in Proceedings of International Workshop on Acoustic Echo and Noise Control (IWAENC) , (Tel Aviv, Israel) Aug/2010


Geiser, B., Krüger, H. and Vary, P.: Super-Wideband Bandwidth Extension for Wideband Audio Codecs Using Switched Spectral Replication and Pitch Synthesis, in Proceedings of German Annual Conference on Acoustics (DAGA) , p.p. 663-664 , (Berlin, Germany) Mar/2010


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