Dr.-Ing. Andreas Schwarz

2017

• Barfuß H., Hümmer C., Schwarz A., Kellermann W.:
  Robust coherence-based spectral enhancement for speech recognition in adverse real-world environments
  In: Computer Speech and Language 46 (2017), p. 388 - 400
  ISSN: 0885-2308
  DOI: 10.1016/j.csl.2017.02.005
  URL: https://arxiv.org/abs/1604.03393
  BibTeX: Download

2016

• Hümmer C., Schwarz A., Maas R., Barfuß H., Astudillo RF., Kellermann W.:
  A new uncertainty decoding scheme for DNN-HMM hybrid systems with multichannel speech enhancement
  International Conference on Acoustics, Speech and Signal Processing (ICASSP) (Shanghai, 20. March 2016 - 25. March 2016)
  DOI: 10.1109/ICASSP.2016.7472781
  BibTeX: Download

2015

• Barfuß H., Hümmer C., Lamani G., Schwarz A., Kellermann W.:
  HRTF-based robust least-squares frequency-invariant beamforming
  IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA) (New Paltz, NY, 18. October 2015 - 21. October 2015)
  DOI: 10.1109/WASPAA.2015.7336933
  BibTeX: Download
• Hümmer C., Maas R., Schwarz A., Astudillo RF., Kellermann W.:
  Uncertainty decoding for DNN-HMM hybrid systems based on numerical sampling
  Annual Conference of the International Speech Communication Association (Interspeech) (Dresden, 6. September 2015 - 10. September 2015)
  BibTeX: Download
• Nees S., Schwarz A., Kellermann W.:
  A model for the temporal evolution of the spatial coherence in decaying reverberant sound fields
  In: Journal of the Acoustical Society of America 138 (2015), p. 248-253
  ISSN: 0001-4966
  DOI: 10.1121/1.4929733
  BibTeX: Download
• Schwarz A., Hümmer C., Maas R., Kellermann W.:
  Spatial diffuseness features for DNN-based speech recognition in noisy and reverberant environments
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) (Brisbane, 19. April 2015 - 24. April 2015)
  DOI: 10.1109/ICASSP.2015.7178798
  BibTeX: Download
• Schwarz A., Kellermann W.:
  Coherent-to-diffuse power ratio estimation for dereverberation
  In: IEEE Transactions on Audio Speech and Language Processing 23 (2015), p. 1006-1018
  ISSN: 1558-7916
  DOI: 10.1109/TASLP.2015.2418571
  BibTeX: Download
• Zheng C., Schwarz A., Kellermann W., Li X.:
  Binaural coherent-to-diffuse-ratio estimation for dereverberation using an ITD model
  European Signal Processing Conference (EUSIPCO) (Nice, 31. August 2015 - 4. September 2015)
  DOI: 10.1109/EUSIPCO.2015.7362543
  BibTeX: Download

2014

• Hümmer C., Hofmann C., Maas R., Schwarz A., Kellermann W.:
  The elitist particle filter based on evolutionary strategies as novel approach for nonlinear acoustic echo cancellation
  2014 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) (Florence, 4. May 2014 - 9. May 2014)
  DOI: 10.1109/ICASSP.2014.6853810
  BibTeX: Download
• Maas R., Hümmer C., Schwarz A., Hofmann C., Kellermann W.:
  A Bayesian network view on linear and nonlinear acoustic echo cancellation
  2nd IEEE China Summit and International Conference on Signal and Information Processing, IEEE ChinaSIP 2014 (Xi'an, 9. July 2014 - 13. July 2014)
  DOI: 10.1109/ChinaSIP.2014.6889292
  BibTeX: Download
• Schwarz A., Hofmann C., Kellermann W.:
  Combined nonlinear echo cancellation and residual echo suppression
  11. ITG Symposium on Speech Communication (Erlangen, 24. September 2014 - 26. September 2014)
  URL: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84939534751∨igin=inward
  BibTeX: Download
• Schwarz A., Kellermann W.:
  Unbiased coherent-to-diffuse ratio estimation for dereverberation
  International Workshop on Acoustic Signal Enhancement (IWAENC) (Antibes - Juan les Pins, 8. September 2014 - 11. September 2014)
  DOI: 10.1109/IWAENC.2014.6953306
  BibTeX: Download

2013

• Schwarz A., Hofmann C., Kellermann W.:
  Spectral feature-based nonlinear residual echo suppression
  IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA) (New Paltz, NY, 20. October 2013 - 23. October 2013)
  DOI: 10.1109/WASPAA.2013.6701825
  BibTeX: Download

2012

• Maas R., Schwarz A., Reindl K., Zheng Y., Meier S., Sehr A., Kellermann W.:
  Matching the acoustic model to front-end signal processing for ASR in noisy and reverberant environments
  Deutsche Jahrestagung für Akustik (DAGA) (Darmstadt, 19. March 2012 - 22. March 2012)
  URL: https://www.researchgate.net/publication/262767652_Matching_the_Acoustic_Model_to_Front-End_Signal_Processing_for_ASR_in_Noisy_and_Reverberant_Environments
  BibTeX: Download
• Reindl K., Maas R., Schwarz A., Zheng Y., Meier S., Sehr A., Kellermann W.:
  A stereophonic acoustic front-end for distant-talking interfaces based on blind source separation
  Deutsche Jahrestagung für Akustik (DAGA) (Darmstadt, 19. March 2012 - 22. March 2012)
  In: Deutsche Jahrestagung für Akustik (DAGA), Darmstadt, Germany: 2012
  URL: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.433.2190
  BibTeX: Download
• Reindl K., Zheng Y., Meier S., Schwarz A., Kellermann W.:
  On the impact of signal preprocessing for robust distant speech recognition in adverse acoustic environments
  IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC) (Hong Kong, 12. August 2012 - 15. August 2012)
  DOI: 10.1109/ICSPCC.2012.6335732
  BibTeX: Download
• Reindl K., Zheng Y., Schwarz A., Meier S., Maas R., Sehr A., Kellermann W.:
  A stereophonic acoustic signal extraction scheme for noisy and reverberant environments
  In: Computer Speech and Language 27 (2012), p. 726-745
  ISSN: 0885-2308
  DOI: 10.1016/j.csl.2012.07.011
  BibTeX: Download
• Schwarz A., Reindl K., Kellermann W.:
  A two-channel reverberation suppression scheme based on blind signal separation and Wiener filtering
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) (Kyoto, 25. March 2012 - 30. March 2012)
  DOI: 10.1109/ICASSP.2012.6287830
  BibTeX: Download
• Schwarz A., Reindl K., Kellermann W.:
  On blocking matrix-based dereverberation for automatic speech recognition
  International Workshop on Acoustic Signal Enhancement (IWAENC) (Aachen, 4. September 2012 - 6. September 2012)
  URL: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84957707201∨igin=inward
  BibTeX: Download

2011

• Maas R., Schwarz A., Zheng Y., Reindl K., Meier S., Sehr A., Kellermann W.:
  A Two-Channel Acoustic Front-End for Robust Automatic Speech Recognition in Noisy and Reverberant Environments
  International Workshop on Machine Listening in Multisource Environments (CHiME) (Florence, 1. September 2011)
  In: International Workshop on Machine Listening in Multisource Environments (CHiME), Florence, Italy: 2011
  BibTeX: Download

2010

• Reindl K., Zheng Y., Lombard A., Schwarz A., Kellermann W.:
  An acoustic front-end for interactive TV incorporating multichannel acoustic echo cancellation and blind signal extraction
  44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010 (Pacific Grove, CA, 7. November 2010 - 10. November 2010)
  DOI: 10.1109/ACSSC.2010.5757833
  BibTeX: Download