Prof. Dr.-Ing. Walter Kellermann

• Matthias Kreuzer, David Schmidt, Simon Wokusch, Walter Kellermann: Finalist Academic Paper Award (2024 IEEE International Conference on Prognostics and Health Management) – 2024
• Walter Kellermann: EURASIP Fellow – 2021
• Michael Günther, Haitham Afifi, Andreas Brendel, Holger Karl, Walter Kellermann: Best Poster Award WASPAA 2019, New Paltz, USA (IEEE Signal Processing Society) – 2019
• Michael Bürger, Christian Hofmann, Cornelius Frankenbach, Walter Kellermann: IEEE WASPAA Student Travel Grant (IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA)) – 2017
• Christian Hümmer, Walter Kellermann: Best Paper Award (Joint Workshop on Hands-free Speech Communication and Microphone Arrays (HSCMA)) – 2017
• Christian Hümmer, Walter Kellermann: Lehrevaluation - Bestenliste – 2016
• Christian Hümmer, Walter Kellermann: Lehrevaluation - Bestenliste – 2015
• Walter Kellermann: EURASIP Group Technical Achievement Award 2015 (EURASIP) – 2015
• Walter Kellermann: Vice President Technical Directions of IEEE Signal Processing Society (IEEE Signal Processing Society) – 2015
• Walter Kellermann: Group Technical Achievement Award 2015 (European Association for Signal Processing (EURASIP)) – 2015
• Roland Maas, Christian Hümmer, Andreas Schwarz, Christian Hofmann, Walter Kellermann: Best Paper Award (IEEE China Summit and International Conference on Signal and Information Processing (ChinaSIP)) – 2014
• Christian Hümmer, Christian Hofmann, Roland Maas, Andreas Schwarz, Walter Kellermann: Best Student Paper Award (IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)) – 2014
• Walter Kellermann: Member-at-Large der IEEE Signal Processing Society – 2013
• Walter Kellermann: Julius von Haast Fellowship Award 2012 (Wissenschaftsministerium und Royal Society von Neuseeland) – 2012
• Walter Kellermann: 2.Platz der PASCAL CHiME Speech Separation and Recognition Challenge – 2011
• Walter Kellermann: Fellow of the IEEE (Class of 2008) (IEEE) – 2008

2024

• Briegleb A., Kellermann W.:
  Analysis of spatial filtering in neural spatiospectral filters and its dependence on training target characteristics
  In: EURASIP Journal on Audio, Speech, and Music Processing 61 (2024)
  ISSN: 1687-4714
  DOI: 10.1186/s13636-024-00381-3
  URL: https://link.springer.com/article/10.1186/s13636-024-00381-3
  BibTeX: Download

2023

• Brendel A., Haubner T., Kellermann W.:
  A Unifying View on Blind Source Separation of Convolutive Mixtures Based on Independent Component Analysis
  In: IEEE Transactions on Signal Processing 71 (2023), p. 816-830
  ISSN: 1053-587X
  DOI: 10.1109/TSP.2023.3255552
  BibTeX: Download
• Kreuzer M., Kellermann W.:
  1-D Residual Convolutional Neural Network coupled with Data Augmentation and Regularization for the ICPHM 2023 Data Challenge
  2023 IEEE International Conference on Prognostics and Health Management, ICPHM 2023 (Montreal, QC, CAN, 5. Juni 2023 - 7. Juni 2023)
  In: 2023 IEEE International Conference on Prognostics and Health Management, ICPHM 2023 2023
  DOI: 10.1109/ICPHM57936.2023.10194183
  BibTeX: Download
• Kreuzer M., Kellermann W.:
  1-D Residual Convolutional Neural Network coupled with Data Augmentation and Regularization Techniques for the ICPHM 2023 Data Challenge
  IEEE Conference on Prognostics and Health Management (Montreal, CA, 5. Juni 2023 - 7. Juni 2023)
  In: 2023 IEEE International Conference on Prognostics and Health Management (ICPHM) 2023
  DOI: 10.1109/ICPHM57936.2023.10194183
  URL: https://arxiv.org/abs/2304.07305
  BibTeX: Download
• Kreuzer M., Schmidt D., Wokusch S., Kellermann W.:
  Airborne-Sound Analysis for the Detection of Bearing Faults in Railway Vehicles with Real-World Data
  IEEE Conference on Prognostics and Health Management (ICPHM) (Montreal, 5. Juni 2023 - 7. Juni 2023)
  In: 2023 IEEE International Conference on Prognostics and Health Management (ICPHM) 2023
  DOI: 10.1109/ICPHM57936.2023.10194026
  URL: https://arxiv.org/abs/2304.07307
  BibTeX: Download
• Richard G., Smaragdis P., Naylor PA., Makino S., Gannot S., Kellermann W., Sugiyama A.:
  Audio Signal Processing in the 21st Century: The important outcomes of the past 25 years
  In: IEEE Signal Processing Magazine 40 (2023), p. 12-26
  ISSN: 1053-5888
  DOI: 10.1109/MSP.2023.3276171
  URL: https://ieeexplore.ieee.org/document/10188482
  BibTeX: Download

2022

• Huang G., Benesty J., Chen J., Paleologu C., Ciochina S., Kellermann W., Cohen I.:
  Acoustic System Identification with Partially Time-Varying Models Based on Tensor Decompositions
  17th International Workshop on Acoustic Signal Enhancement, IWAENC 2022 (Bamberg, DEU, 5. September 2022 - 8. September 2022)
  In: International Workshop on Acoustic Signal Enhancement, IWAENC 2022 - Proceedings 2022
  DOI: 10.1109/IWAENC53105.2022.9914787
  BibTeX: Download
• Yang W., Huang G., Brendel A., Chen J., Benesty J., Kellermann W., Cohen I.:
  A bilinear framework for adaptive speech dereverberation combining beamforming and linear prediction
  International Workshop in Acoustic Signal Enhancement (IWAENC) (Bamberg, 5. September 2022 - 8. September 2022)
  BibTeX: Download

2021

• Brendel A., Kellermann W.:
  Accelerating Auxiliary Function-based Independent Vector Analysis
  IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP) (Toronto)
  DOI: 10.1109/icassp39728.2021.9413950
  BibTeX: Download
• Halimeh MM., Hofmann C., Kellermann W.:
  Beam-Specific System Identification
  ITG Conference on Speech Communication (Kiel, 29. September 2021 - 1. Oktober 2021)
  BibTeX: Download
• Haubner T., Halimeh MM., Brendel A., Kellermann W.:
  A Synergistic Kalman- and Deep Postfiltering Approach to Acoustic Echo Cancellation
  European Signal Processing Conference (EUSIPCO) (Dublin, 23. August 2021 - 27. August 2021)
  DOI: 10.23919/EUSIPCO54536.2021.9616295
  BibTeX: Download

2020

• Brendel A., Haubner T., Kellermann W.:
  A Unified Probabilistic View on Spatially Informed Source Separation and Extraction Based on Independent Component Analysis
  In: IEEE Transactions on Signal Processing 68 (2020), p. 3545-3558
  ISSN: 1053-587X
  DOI: 10.1109/TSP.2020.3000199
  BibTeX: Download
• Schmidt A., Löllmann H., Kellermann W.:
  Acoustic Self-awareness of Autonomous Systems in a World of Sounds
  In: Proceedings of the IEEE 7 (2020), p. 1127-1149
  ISSN: 0018-9219
  DOI: 10.1109/JPROC.2020.2977372
  BibTeX: Download

2019

• Brendel A., Altmann I., Kellermann W.:
  Acoustic Source Position Estimation based on Multi-Feature Gaussian Processes
  European Signal Processing Conference (EUSIPCO) (A Coruna)
  DOI: 10.23919/eusipco.2019.8903035
  BibTeX: Download
• Halimeh MM., Brendel A., Kellermann W.:
  Bayesian Model Selection for Nonlinear Acoustic Echo Cancellation
  European Signal Processing Conference (EUSIPCO) (A Coruna, 2. September 2019 - 6. September 2019)
  In: 27th European Signal Processing Conference (EUSIPCO) 2019
  DOI: 10.23919/EUSIPCO.2019.8902673
  BibTeX: Download
• Halimeh MM., Hümmer C., Kellermann W.:
  A Neural Network-based Nonlinear Acoustic Echo Canceller
  In: IEEE Signal Processing Letters (2019)
  ISSN: 1070-9908
  DOI: 10.1109/LSP.2019.2951311
  URL: https://ieeexplore.ieee.org/document/8890836
  BibTeX: Download
• Haubner T., Schmidt A., Kellermann W.:
  Active Acoustic Source Tracking Exploiting Particle Filtering and Monte Carlo Tree Search
  European Signal Processing Conference (EUSIPCO) (A Coruña, 2. September 2019 - 6. September 2019)
  DOI: 10.23919/EUSIPCO.2019.8902566
  BibTeX: Download

2018

• Bürger M., Hofmann C., Kellermann W.:
  Broadband multizone sound rendering by jointly optimizing the sound pressure and particle velocity
  In: The Journal of the Acoustical Society of America 143 (2018), p. 1477-1490
  ISSN: 1520-8524
  DOI: 10.1121/1.5026508
  BibTeX: Download
• Deleforge A., Schmidt A., Kellermann W.:
  Audio-motor integration for robot audition
  In: Xavier Alameda-Pineda, Elisa Ricci, Nicu Sebe (ed.): Multimodal Behavior Analysis in the Wild, London: Academic Press, 2018, p. 27-52 (Computer Vision and Pattern Recognition Series)
  ISBN: 978-0-12-814601-9
  DOI: 10.1016/b978-0-12-814601-9.00012-2
  URL: https://www.elsevier.com/books/multimodal-behavior-analysis-in-the-wild/alameda-pineda/978-0-12-814601-9
  BibTeX: Download
• Schmidt A., Löllmann H., Kellermann W.:
  A novel ego-noise suppression algorithm for acoustic signal enhancement in autonomous systems
  IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (Calgary, 15. April 2018 - 20. April 2018)
  DOI: 10.1109/icassp.2018.8462211
  BibTeX: Download

2017

• Kellermann W., Hümmer C., Astudillo RF.:
  An improved uncertainty decoding scheme with weighted samples for multi-channel DNN-HMM hybrid systems
  Joint Workshop on Hands-free Speech Communication and Microphone Arrays (HSCMA) (San Francisco, 1. März 2017 - 3. März 2017)
  DOI: 10.1109/HSCMA.2017.7895556
  BibTeX: Download
• Madmoni L., Barfuß H., Rafaely B., Kellermann W.:
  A unified framework for multiple arrays on a robot and application to sound localization
  Joint Workshop on Hands-free Speech Communication and Microphone Arrays (HSCMA) (San Francisco, CA, 1. März 2017 - 3. März 2017)
  DOI: 10.1109/HSCMA.2017.7895563
  URL: http://ieeexplore.ieee.org/document/7895563/
  BibTeX: Download
• Samarasinghe P., Abhayapala TD., Kellermann W.:
  Acoustic reciprocity: An extension to spherical harmonics domain
  In: The Journal of the Acoustical Society of America 142 (2017), p. 373-343
  ISSN: 1520-8524
  DOI: 10.1121/1.5002078
  BibTeX: Download

2016

• Dong B., Antoni J., Pereira A., Kellermann W.:
  Blind separation of incoherent and spatially disjoint sound sources
  In: Journal of Sound and Vibration 383 (2016), p. 414-445
  ISSN: 0022-460X
  DOI: 10.1016/j.jsv.2016.07.018
  BibTeX: Download
• El-Rayyes A., Löllmann H., Hofmann C., Kellermann W.:
  Acoustic Echo Control for Humanoid Robots
  42. Deutsche Jahrestagung für Akustik (DAGA) (Aachen, 14. März 2016 - 17. März 2016)
  BibTeX: Download
• Huang H., Hofmann C., Kellermann W., Chen J., Benesty J.:
  A multiframe parametric Wiener filter for acoustic echo suppression
  International Workshop on Acoustic Signal Enhancement (IWAENC) (Xi'an, 13. September 2016 - 16. September 2016)
  In: Int. Workshop on Acoustic Echo and Noise Control (IWAENC), Xi'an, China: 2016
  DOI: 10.1109/IWAENC.2016.7602948
  BibTeX: Download
• 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. März 2016 - 25. März 2016)
  DOI: 10.1109/ICASSP.2016.7472781
  BibTeX: Download
• Kinoshita K., Delcroix M., Gannot S., Habets E., Haeb-Umbach R., Kellermann W., Leutnant V., Maas R., Nakatani T., Raj B., Sehr A., Yoshioka T.:
  A summary of the REVERB challenge: State-of-the-art and remaining challenges in reverberant speech processing research
  In: EURASIP Journal on Advances in Signal Processing 2016 (2016), p. 1-19
  ISSN: 1687-6172
  DOI: 10.1186/s13634-016-0306-6
  BibTeX: Download
• Meier S., Kellermann W.:
  Artificial neural network-based feature combination for spatial voice activity detection
  Interspeech (San Francisco, 8. September 2016 - 12. September 2016)
  DOI: 10.21437/Interspeech.2016-1184
  BibTeX: Download
• Rupp M., Kellermann W., Zoubir A., Schmidt G.:
  Advances in adaptive filtering theory and applications to acoustic and speech signal processing
  In: EURASIP Journal on Advances in Signal Processing 2016:63 (2016), p. 1-3
  ISSN: 1687-6172
  DOI: 10.1186/s13634-016-0361-z
  BibTeX: Download
• Zheng C., Hofmann C., Li X., Kellermann W.:
  Analysis of additional stable gain by frequency shifting for acoustic feedback suppression using statistical room acoustics
  In: IEEE Signal Processing Letters 23 (2016), p. 159-163
  ISSN: 1070-9908
  DOI: 10.1109/LSP.2015.2507205
  BibTeX: Download

2015

• Hümmer C., Maas R., Hofmann C., Kellermann W.:
  A Bayesian network approach to linear and nonlinear acoustic echo cancellation
  In: EURASIP Journal on Advances in Signal Processing 2015 (2015), p. 1-11
  ISSN: 1687-6172
  DOI: 10.1186/s13634-015-0282-2
  BibTeX: Download
• Maas R., Hümmer C., Sehr A., Kellermann W.:
  A Bayesian view on acoustic model-based techniques for robust speech recognition
  In: EURASIP Journal on Advances in Signal Processing 2015 (2015), p. 1-16
  ISSN: 1687-6172
  DOI: 10.1186/s13634-015-0287-x
  BibTeX: Download
• Meier S., Kellermann W.:
  Analysis of the performance and limitations of ICA-based relative impulse response identification
  23rd European Signal Processing Conference (EUSIPCO) (Nice, 31. August 2015 - 4. September 2015)
  DOI: 10.1109/EUSIPCO.2015.7362416
  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
• 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

• Anderson C., Meier S., Kellermann W., Teal PD., Poletti MA.:
  A GPU-accelerated real-time implementation of TRINICON-BSS for multiple separation units
  Joint Workshop on Hands-free Speech Communication and Microphone Arrays (HSCMA) (Nancy, 12. Mai 2014 - 14. Mai 2014)
  DOI: 10.1109/HSCMA.2014.6843260
  BibTeX: Download
• Barfuß H., Kellermann W.:
  An adaptive microphone array topology for target signal extraction with humanoid robots
  International Workshop on Acoustic Signal Enhancement (IWAENC) (Antibes - Juan les Pins, 8. September 2014 - 11. September 2014)
  DOI: 10.1109/IWAENC.2014.6953315
  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. Juli 2014 - 13. Juli 2014)
  DOI: 10.1109/ChinaSIP.2014.6889292
  BibTeX: Download
• Zheng Y., Reindl K., Kellermann W.:
  Analysis of dual-channel ICA-based blocking matrix for improved noise estimation
  In: EURASIP Journal on Advances in Signal Processing 2014 (2014), p. 1-24
  ISSN: 1687-6172
  DOI: 10.1186/1687-6180-2014-26
  BibTeX: Download

2013

• Kowalczyk K., Habets E., Kellermann W., Naylor PA.:
  Blind system identification using sparse learning for TDOA estimation of room reflections
  In: IEEE Signal Processing Letters 20 (2013), p. 653-656
  ISSN: 1070-9908
  DOI: 10.1109/LSP.2013.2261059
  BibTeX: Download
• Maas R., Thippur A., Sehr A., Kellermann W.:
  An uncertainty decoding approach to noise- and reverberation-robust speech recognition
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) (Vancouver, BC, 26. Mai 2013 - 31. Mai 2013)
  DOI: 10.1109/ICASSP.2013.6639098
  BibTeX: Download

2012

• Hofmann C., Wolff T., Buck M., Haulick T., Kellermann W.:
  A morphological approach to single-channel wind-noise suppression
  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=84957677844∨igin=inward
  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. März 2012 - 22. März 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., 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
• Schneider M., Kellermann W.:
  Adaptive listening room equalization using a scalable filtering structure in the wave domain
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) (Kyoto, 25. März 2012 - 30. März 2012)
  DOI: 10.1109/ICASSP.2012.6287805
  BibTeX: Download
• Schneider M., Kellermann W.:
  A direct derivation of transforms for wave-domain adaptive filtering based on circular harmonics
  European Signal Processing Conference (EUSIPCO) (Bucharest, 27. August 2012 - 31. August 2012)
  URL: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84869827623∨igin=inward
  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. März 2012 - 30. März 2012)
  DOI: 10.1109/ICASSP.2012.6287830
  BibTeX: Download

2011

• Antonio Azpicueta-Ruiz L., Zeller M., Ramon Figueiras-Vidal A., Arenas-Garcia J., Kellermann W.:
  Adaptive combination of volterra kernels and its application to nonlinear acoustic echo cancellation
  In: IEEE Transactions on Audio Speech and Language Processing 19 (2011), p. 97-110
  ISSN: 1558-7916
  DOI: 10.1109/TASL.2010.2045185
  BibTeX: Download
• 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
• Mabande E., Schad A., Kellermann W.:
  A time-domain implementation of data-independent robust broadband beamformers with lowfilter order
  2011 Joint Workshop on Hands-free Speech Communication and Microphone Arrays, HSCMA'11 (Edinburgh, 30. Mai 2011 - 1. Juni 2011)
  DOI: 10.1109/HSCMA.2011.5942415
  BibTeX: Download
• Schneider M., Kellermann W.:
  A wave-domain model for acoustic MIMO systems with reduced complexity
  2011 Joint Workshop on Hands-free Speech Communication and Microphone Arrays, HSCMA'11 (Edinburgh, 31. Mai 2011 - 1. Juni 2011)
  DOI: 10.1109/HSCMA.2011.5942379
  BibTeX: Download
• Zeller M., Azpicueta-Ruiz LA., Arenas-Garcia J., Kellermann W.:
  Adaptive Volterra filters with evolutionary quadratic kernels using a combination scheme for memory control
  In: IEEE Transactions on Signal Processing 59 (2011), p. 1449-1464
  ISSN: 1053-587X
  DOI: 10.1109/TSP.2010.2101066
  BibTeX: Download
• Zheng Y., Lombard A., Kellermann W.:
  An improved combination of directional BSS and a source localizer for robust source separation in rapidly time-varying acoustic scenarios
  2011 Joint Workshop on Hands-free Speech Communication and Microphone Arrays, HSCMA (Edinburgh, 30. Mai 2011 - 1. Juni 2011)
  DOI: 10.1109/HSCMA.2011.5942410
  BibTeX: Download

2010

• Maas R., Sehr A., Gugat M., Kellermann W.:
  A highly efficient optimization scheme for remos-based distant-talking speech recognition
  18th European Signal Processing Conference, EUSIPCO 2010 (Aalborg, 23. August 2010 - 27. August 2010)
  DOI: 10.5281/zenodo.41948
  BibTeX: Download
• Reindl K., Zheng Y., Kellermann W.:
  Analysis of two generic wiener filtering concepts for binaural speech enhancement in hearing aids
  18th European Signal Processing Conference, EUSIPCO 2010 (Aalborg, 23. August 2010 - 27. August 2010)
  DOI: 10.5281/zenodo.42052
  BibTeX: Download
• 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
• Sehr A., Hofmann C., Maas R., Kellermann W.:
  A novel approach for matched reverberant training of HMMs using data pairs
  11th Annual Conference of the International Speech Communication Association: Spoken Language Processing for All, INTERSPEECH 2010 (Makuhari, Chiba, 26. September 2010 - 30. September 2010)
  URL: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79959848054∨igin=inward
  BibTeX: Download
• Zeller M., Kellermann W.:
  Advances in identification and compensation of nonlinear systems by adaptive volterra models
  44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010 (Pacific Grove, CA, 7. November 2010 - 10. November 2010)
  DOI: 10.1109/ACSSC.2010.5757878
  BibTeX: Download

2009

• Marquardt L., Svaizer P., Mabande E., Brutti A., Zieger C., Omologo M., Kellermann W.:
  A natural acoustic front-end for interactive TV in the EU-project DICIT
  PACRIM 2009 - 2009 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (Victoria, BC, 23. August 2009 - 26. Oktober 2009)
  DOI: 10.1109/PACRIM.2009.5291251
  BibTeX: Download
• Sehr A., Gardill M., Kellermann W.:
  Adapting HMMS of distant-talking asr systems using feature-domain reverberation models
  17th European Signal Processing Conference, EUSIPCO 2009 (Glasgow, 24. August 2009 - 28. August 2009)
  URL: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84863760759∨igin=inward
  BibTeX: Download
• Wen JYC., Sehr A., Naylor PA., Kellermann W.:
  Blind estimation of a feature-domain reverberation model in non-diffuse environments with variance adjustment
  17th European Signal Processing Conference, EUSIPCO 2009 (Glasgow, 24. August 2009 - 28. August 2009)
  URL: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84863766806∨igin=inward
  BibTeX: Download
• Zeller M., Azpicueta-Ruiz LA., Kellermann W.:
  Adaptive fir filters with automatic length optimization by monitoring a normalized combination scheme
  2009 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2009 (New Paltz, NY, 18. Oktober 2009 - 21. Oktober 2009)
  DOI: 10.1109/ASPAA.2009.5346547
  BibTeX: Download
• Zheng Y., Reindl K., Kellermann W.:
  BSS for improved interference estimation for blind speech signal extraction with two microphones
  2009 3rd IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMSAP 2009 (Aruba, 13. Dezember 2009 - 16. Dezember 2009)
  DOI: 10.1109/CAMSAP.2009.5413286
  BibTeX: Download

2008

• Buchner H., Kellermann W.:
  A fundamental relation between blind and supervised adaptive filtering illustrated for blind source separation and acoustic echo cancellation
  2008 Hands-free Speech Communication and Microphone Arrays, HSCMA 2008 (Trento, 6. Mai 2008 - 8. Mai 2008)
  DOI: 10.1109/HSCMA.2008.4538677
  BibTeX: Download
• Kellermann W.:
  Beamforming for Speech and Audio Signals
  In: D. Havelock, S. Kuwano, M. Vorländer (ed.): Handbook of Signal Processing in Acoustics, New York: Springer, 2008, p. 691-702
  ISBN: 978-0-387-30441-0
  DOI: 10.1007/978-0-387-30441-0_35
  BibTeX: Download
• Lombard A., Buchner H., Kellermann W.:
  A real-time demonstrator for the 2D localization of two sound sources using blind adaptive mimo system identification
  2008 Hands-free Speech Communication and Microphone Arrays, HSCMA 2008 (Trento, 6. Mai 2008 - 8. Mai 2008)
  DOI: 10.1109/HSCMA.2008.4538683
  BibTeX: Download
• Sehr A., Kellermann W.:
  A Simplified Decoding Method for a Robust Distant-Talking ASR Concept Based on Feature-Domain Dereverberation
  Workshop on Acoustic Echo and Noise Control (IWAENC) (Seattle, Washington, 14. September 2008 - 17. September 2008)
  In: Proc. Int. Workshop on Acoustic Echo and Noise Control (IWAENC) 2008
  URL: http://www.iwaenc.org/proceedings/2008/contents/papers/9020.pdf
  BibTeX: Download
• Sehr A., Wen JYC., Kellermann W., Naylor PA.:
  A Combined Approach for Estimating a Feature-Domain Reverberation Model in Non-diffuse Environments
  Int. Workshop on Acoustic Echo and Noise Control (IWAENC) (Seattle, Washington, 14. September 2008 - 17. September 2008)
  In: Proc. Int. Workshop on Acoustic Echo and Noise Control (IWAENC) 2008
  URL: http://www.iwaenc.org/proceedings/2008/contents/papers/9069.pdf
  BibTeX: Download
• Wehr S., Puder H., Kellermann W.:
  Blind Source Separation and Binaural Reproduction with Hearing Aids: An Overview
  8. ITG Conference on Voice Communication (Aachen, 8. Oktober 2008 - 10. Oktober 2008)
  In: Proc. ITG Conference on Speech Communication 2008
  BibTeX: Download

2007

• Herre J., Buchner H., Kellermann W.:
  Acoustic Echo Cancellation for Surround Sound Using Perceptually Motivated Convergence Enhancement
  2007 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP '07 (Honolulu, HI, 15. April 2007 - 20. April 2007)
  DOI: 10.1109/ICASSP.2007.366605
  BibTeX: Download
• Sehr A., Kellermann W.:
  A new concept for feature-domain dereverberation for robust distant-talking ASR
  2007 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP '07 (Honolulu, HI, 15. April 2007 - 20. April 2007)
  DOI: 10.1109/ICASSP.2007.366926
  BibTeX: Download

2006

• Aichner R., Buchner H., Kellermann W.:
  A novel normalization and regularization scheme for broadband convolutive blind source separation
  6th International Conference on Independent Component Analysis and Blind Signal Separation, ICA 2006 (Charleston, SC, 5. März 2006 - 8. März 2006)
  DOI: 10.1007/11679363_66
  BibTeX: Download
• Aichner R., Buchner H., Yan F., Kellermann W.:
  A real-time blind source separation scheme and its application to reverberant and noisy acoustic environments
  In: Signal Processing 86 (2006), p. 1260-1277
  ISSN: 0165-1684
  DOI: 10.1016/j.sigpro.2005.06.022
  BibTeX: Download
• Teutsch H., Kellermann W.:
  Acoustic source detection and localization based on wavefield decomposition using circular microphone arrays
  In: Journal of the Acoustical Society of America 120 (2006), p. 2724-2736
  ISSN: 0001-4966
  DOI: 10.1121/1.2346089
  BibTeX: Download

2005

• Buchner H., Aichner R., Kellermann W.:
  A generalization of blind source separation algorithms for convolutive mixtures based on second-order statistics
  In: IEEE Transactions on Speech and Audio Processing 13 (2005), p. 120-134
  ISSN: 1063-6676
  DOI: 10.1109/TSA.2004.838775
  BibTeX: Download
• Herbordt W., Buchner H., Nakamura S., Kellermann W.:
  Application of a double-talk resilient DFT-domain adaptive filter for bin-wise stepsize controls to adaptive beamforming
  Int. Workshop on Nonlinear Signal and Image Processing (NSIP) (Sapporo, 18. Mai 2005 - 20. Mai 2005)
  In: Proc. Int. Workshop on Nonlinear Signal and Image Processing (NSIP) 2005
  DOI: 10.1109/NSIP.2005.1502235
  BibTeX: Download
• Hörster E., Lienhart R., Kellermann W., Bouguet JY.:
  Calibrating visual sensors and actuators in distributed platforms
  Computer Vision for Interactive and Intelligent Environments 2005 (Lexington, KY, 17. November 2005 - 18. November 2005)
  DOI: 10.1109/CVIIE.2005.2
  BibTeX: Download
• Kellermann W.:
  Acoustic Signal Processing for Next-Generation Human/Machine Interfaces
  In: Proc. of the 8th Int. Conference in Digital Audio Effects 2005
  BibTeX: Download
• Oak P., Kellermann W.:
  A calibration method for robust generalized sidelobe cancelling beamformers
  In: Proc. Intl. Workshop on Acoustic Echo and Noise Control (IWAENC) 2005
  BibTeX: Download

2004

• Buchner H., Aichner R., Kellermann W.:
  Blind Source Separation for Convolutive Mixtures: A Unified Treatment
  In: Y. Huang, J. Benesty (ed.): Audio Signal Processing for Next-Generation Multimedia Communication Systems, Boston: Kluwer Academic Publishers, 2004
  BibTeX: Download
• Küch F., Kellermann W.:
  A novel multidelay adaptive algorithm for Volterra filters in diagonal coordinate representation
  IEEE International Conference on Acoustics, Speech, and Signal Processing (Montreal, Que)
  URL: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=4644259601∨igin=inward
  BibTeX: Download

2003

• Buchner H., Aichner R., Kellermann W.:
  A Generalization of a Class of Blind Source Separation Algorithms for Convolutive Mixtures
  In: Proc. IEEE Int. Symposium on Independent Component Analysis and Blind Signal Separation (ICA) 2003
  BibTeX: Download
• Buchner H., Aichner R., Kellermann W.:
  Blind Source Separation for Convolutive Mixtures Exploiting Nongaussianity, Nonwhiteness, and Nonstationarity
  Conf. Rec. Intl. Workshop on Acoustic Echo and Noise Control (IWAENC) (Kyoto)
  BibTeX: Download
• Buchner H., Benesty J., Gaensler T., Kellermann W.:
  An Outlier-Robust Extended Multidelay Filter with Application to Acoustic Echo Cancellation
  Conf. Rec. Intl. Workshop on Acoustic Echo and Noise Control (IWAENC) (Kyoto)
  BibTeX: Download
• Buchner H., Benesty J., Kellermann W.:
  An extended multidelay filter: Fast low-delay algorithms for very high-order adaptive systems
  2003 IEEE International Conference on Accoustics, Speech, and Signal Processing (Hong Kong)
  URL: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0141743633&origin=inward
  BibTeX: Download
• Herbordt W., Buchner H., Kellermann W.:
  An acoustic human-machine front-end for multimedia applications
  In: EURASIP J APPL SIG P 2003 (2003), p. 1-11
  ISSN: 1110-8657
  DOI: 10.1155/S1110865703211094
  BibTeX: Download
• Herbordt W., Kellermann W.:
  Adaptive beamforming for audio signal acquisition
  In: J. Benesty, Y. Huang (ed.): Adaptive Signal Processing - Applications to Real-World Problems, Berlin: Springer, 2003, p. 155-194
  BibTeX: Download
• Küch F., Kellermann W., Buchner H., Herbordt W.:
  Acoustic Signal Processing for Distant-Talking Speech Recognition: Nonlinear Echo Cancellation in a Generic Multichannel Interface
  In: Proc. IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing (NSIP'03) 2003
  BibTeX: Download
• Teutsch H., Spors S., Herbordt W., Kellermann W., Rabenstein R.:
  An integrated real-time system for immersive audio applications
  IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2003 (New Paltz, NY)
  DOI: 10.1109/ASPAA.2003.1285821
  BibTeX: Download

2002

• Herbordt W., Kellermann W.:
  Analysis of blocking matrices for generalized sidelobe cancellers for non-stationary broadband signals
  2002 IEEE International Conference on Acoustic, Speech, and Signal Processing (Orlando, FL)
  URL: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0036293960&origin=inward
  BibTeX: Download
• Herbordt W., Ying J., Buchner H., Kellermann W.:
  A Real-Time Acoustic Human-Machine Front-End for Multimedia Applications Integrating Robust Adaptive Beamforming and Stereophonic Acoustic Echo Cancellation
  In: Proc. Int. Conf. on Spoken Language Processing (ICSLP) 2002
  BibTeX: Download

2001

• Buchner H., Herbordt W., Kellermann W.:
  An Efficient Combination of Multi-Channel Acoustic Echo Cancellation With a Beamforming Microphone Array
  In: Proc. Int. Workshop on Hands-Free Speech Communication (HSC) 2001
  BibTeX: Download
• Buchner H., Kellermann W.:
  Acoustic Echo Cancellation for Two and More Reproduction Channels
  Conf. Rec. Int. Workshop on Acoustic Echo and Noise Control (IWAENC) (Darmstadt)
  BibTeX: Download
• Buchner H., Kellermann W.:
  An acoustic human-machine interface with multi-channel sound reproduction
  2001 IEEE fourth Workshop on Multimedia Signal Processing (Cannes)
  URL: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0035791420&origin=inward
  BibTeX: Download
• Kellermann W.:
  Acoustic Echo Cancellation for Beamforming Microphone Arrays
  In: M. Brandstein, D. Ward (ed.): Microphone Arrays, Berlin: Springer, 2001, p. 281-306
  BibTeX: Download
• Kellermann W.:
  Acoustic echo cancellation for natural speech communication at the human-machine interface
  In: Proc. Int. Workshop on Hands-Free Speech Communication (HSC) 2001
  BibTeX: Download

2000

• Kellermann W., Stenger A., Herbordt W.:
  Acoustic signal processing for multimedia and telecommunication
  Online Symposium for Electronics Engineers
  BibTeX: Download
• Stenger A., Kellermann W.:
  Adaptation of a memoryless preprocessor for nonlinear acoustic echo cancelling
  In: Signal Processing 80 (2000), p. 1747-1760
  ISSN: 0165-1684
  DOI: 10.1016/S0165-1684(00)00085-2
  BibTeX: Download

1999

• Stenger A., Kellermann W., Rabenstein R.:
  Adaptation of Acoustic Echo Cancellers: Incorporating a Memoryless Nonlinearity
  In: Proc. IEEE Workshop on Acoustic Echo and Noise Control (IWAENC'99) 1999
  BibTeX: Download

• ACOUSTIC PROCESSING DEVICE FOR MULTICHANNEL NONLINEAR ACOUSTIC ECHO CANCELLATION (Schutzrecht: WO2022048737)
  Inventor(s): Mhd Modar Halimeh, Thomas Haubner, Walter Kellermann, Mohammad Taghizadeh
• Acoustic Processing Device for MIMO Acoustic Echo Cancellation (Schutzrecht: WO2020EP74427)
  Inventor(s): Thomas Haubner, Mhd Modar Halimeh, Walter Kellermann, Mohammad Taghizadeh
• Audio Processing Aparatus and Method for Localizing an Audio Source (Prioritätsbegründende Patentanmeldung: WO2020207580A1)
  Inventor(s): Walter Kellermann, Michael Günther, Andreas Brendel
• APPARATUS FOR DETERMINING SPATIAL POSITIONS OF MULTIPLE AUDIO SOURCES (Prioritätsbegründende Patentanmeldung: WO2021013346 A1)
  Inventor(s): Walter Kellermann, Michael Günther, Andreas Brendel
• DEVICE AND METHOD FOR THE DECORRELATION OF LOUDSPEAKER SIGNALS (Schutzrecht: 1226579A)
  Inventor(s): Martin Schneider, Walter Kellermann, Quinn Dexter IV
• Apparatus and method for driving an array of loudspeakers with drive signals (Schutzrecht: US10375503B2)
  Inventor(s): Michael Bürger, Heinrich Löllmann, Walter Kellermann, Peter Grosche, Yue Lang
• A method of estimating a wanted signal and the hearing device (Schutzrecht: DE102013205790 B4)
  Inventor(s): Walter Kellermann, Klaus Reindl, Yuanhang Zheng
• Method for evaluating a useful signal and audio device (Prioritätsbegründende Patentanmeldung: US20160029130 A1)
  Inventor(s): Walter Kellermann, Klaus Reindl, Yuanhang Zheng
• Method for evaluating a useful signal and audio device (Prioritätsbegründende Patentanmeldung: EP2982136 A1)
  Inventor(s): Walter Kellermann, Klaus Reindl, Yuanhang Zheng
• Verfahren und Gerät zum Steuern einer Lautsprecheranordnung mit Steuersignalen (Schutzrecht: EP3275213B1)
  Inventor(s): Michael Bürger, Thomas Richter, Mengqiu Zhang, Heinrich Löllmann, Walter Kellermann, André Kaup, Yue Lang, Peter Grosche, Karim Helwani, Giovanni Cordara
• VORRICHTUNG UND VERFAHREN ZUM VERARBEITEN EINES EINGANGSSIGNALS (Schutzrecht: EP 1680910 B1)
  Inventor(s): Sascha Spors, Wolfgang Herbordt, Walter Kellermann, Herbert Buchner
• Method for evaluating a useful signal and audio device (Schutzrecht: WO2014162214 A1)
  Inventor(s): Walter Kellermann, Klaus Reindl, Yuanhang Zheng
• Method for evaluating a useful signal and audio device (Prioritätsbegründende Patentanmeldung: WO002014162214A1)
  Inventor(s): Walter Kellermann, Klaus Reindl, Yuanhang Zheng
• Method for adjusting the useful signal in binaural hearing aid systems and hearing aid system (Schutzrecht: US020140314259A1)
  Inventor(s): Marc Aubreville, E. Fischer, H. Kamkar Parsi, Walter Kellermann, Stefan Meier, H. Puder, Klaus Reindl
• Method and acoustic signal processing system for interference and noise suppression in binaural microphone configurations (Schutzrecht: US8909523B2)
  Inventor(s): Walter Kellermann, Klaus Reindl, Yuanhang Zheng
• Blind signal seperation apparatus and Method for seperating blind signal thereof (암묵 신호 분리 장치 및 이의 암묵 신호 분리 방법) (Schutzrecht: 1020120105276)
  Inventor(s): Andreas Schwarz, Jae-Hoon Jeong, Walter Kellermann
• Audio signal processing system and Method for removing echo signal thereof (오디오 신호 처리 시스템 및 이의 에코 신호 제거 방법) (Schutzrecht: 1020120074629)
  Inventor(s): Jae-Hoon Jeong, Andreas Schwarz, Walter Kellermann
• Audio signal processing system and echo signal removing method thereof (Prioritätsbegründende Patentanmeldung: US20140010382A1)
  Inventor(s): Jae-Hoon Jeong, Andreas Schwarz, Walter Kellermann
• An audio signal processing system and method for removing an echo signal (Nachanmeldung: CN103546839)
  Inventor(s): Andreas Schwarz, Walter Kellermann, Jae-Hoon Jeong
• Verfahren zur Nutzsignalanpassung in binauralen Hörhilfesystemen (Prioritätsbegründende Patentanmeldung: DE102013207161)
  Inventor(s): Walter Kellermann, Stefan Meier, Klaus Reindl
• Decorrelation of Loudspeakers Signals by Alteration of the Rendered Scene (Prioritätsbegründende Patentanmeldung: DE102013218176)
  Inventor(s): Walter Kellermann, Martin Schneider
• Apparatus and Method for Listening Room Equalization Using a Scalable Filtering Structure in the Wave Domain (Schutzrecht: PCT/EP2012/068562)
  Inventor(s): Martin Schneider, Walter Kellermann
• Signal separator, method for determining output signals on the basis of microphone signals, and computer program (Schutzrecht: EP2027581B1)
  Inventor(s): Robert Aichner, Herbert Buchner, Walter Kellermann
• Method and acoustic signal processing system for interference and noise suppression in binaural microphone configurations (Schutzrecht: EP2395506B1)
  Inventor(s): Walter Kellermann, Klaus Reindl, Yuanhang Zheng
• Blind source separation method and acoustic signal processing system for improving interference estimation in binaural wiener filtering (Schutzrecht: US8290189B2)
  Inventor(s): Walter Kellermann, Yuanhang Zheng
• Apparatus and Method for Processing Continuous Wave Fields Propagated in a Room (Schutzrecht: US8218774B2)
  Inventor(s): Herbert Buchner, Wolfgang Herbordt, Sascha Spors, Walter Kellermann
• Apparatus and method for listening room equalization using a scalable filtering structure in the wave domain (Nachanmeldung: EP2575378 (EP12160820))
  Inventor(s): Walter Kellermann, Martin Schneider
• Microphone calibration with an RGSC beamformer (Schutzrecht: US000008009840B2)
  Inventor(s): Walter Kellermann, P. Oak
• Method and apparatus for blind source separation improving interference estimation in binaural Wiener filtering (Schutzrecht: EP000002211563B1)
  Inventor(s): Walter Kellermann, Yuanhang Zheng
• Method and acoustic signal processing system for interference and noise suppression in binaural microphone configurations (Prioritätsbegründende Patentanmeldung: US2011/0307249A1)
  Inventor(s): Walter Kellermann, Klaus Reindl, Yuanhang Zheng
• Method and acoustic signal processing system for interference and noise suppression in binaural microphone configurations (Prioritätsbegründende Patentanmeldung: EP2395506A1)
  Inventor(s): Walter Kellermann, Klaus Reindl, Yuanhang Zheng
• Adaptive Listening Room Equalization Using a Scalable Filtering Structure in the Wave Domain (Prioritätsbegründende Patentanmeldung: US201161539855P)
  Inventor(s): Walter Kellermann, Martin Schneider
• Verfahren und Schallsignalverarbeitungssystem zur Unterdrückung von Interferenzen und Rauschen in binauralen Mikrofonkonfigurationen (Prioritätsbegründende Patentanmeldung: EP2395506 (EP10005957))
  Inventor(s): Walter Kellermann, Klaus Reindl, Yuanhang Zheng
• Speech signal processing with combined noise reduction and echo compensation (Schutzrecht: US000007747001B2)
  Inventor(s): Walter Kellermann, Wolfgang Herbordt
• Signal separator, method for determining output signals on the basis of microphone signals, and computer program (Prioritätsbegründende Patentanmeldung: US020100232621A1)
  Inventor(s): Robert Aichner, Herbert Buchner, Walter Kellermann
• Blind Source Separation Method and Acoustic Signal Processing System For Improving Interference Estimation In Binaural Wiener Filtering (Prioritätsbegründende Patentanmeldung: US20100183178A1)
  Inventor(s): Walter Kellermann, Yuanhang Zheng
• Signaltrenner, Verfahren zur Bestimmung von Ausgangssignalen auf Grundlage von Mikrofonsignalen und Rechnerprogramm (Prioritätsbegründende Patentanmeldung: EP000002027581A1)
  Inventor(s): Herbert Buchner, Robert Aichner, Walter Kellermann
• Signal separator, method for determining output signals on the basis of microphone signals, and computer program (Schutzrecht: CN000101484938A)
  Inventor(s): Herbert Buchner, Robert Aichner, Walter Kellermann
• Verfahren und Vorrichtung zur blinden Quellentrennung zur Verbesserung der Störgeräuschschätzung bei der binauralen Wiener-Filterung (Prioritätsbegründende Patentanmeldung: EP000002211563A1)
  Inventor(s): Yuanhang Zheng, Walter Kellermann
• Device and Method for Processing an Input Signal (Schutzrecht: KR102009029294A)
  Inventor(s): Herbert Buchner, Wolfgang Herbordt, Sascha Spors, Walter Kellermann
• Device and method for carrying out multichannel acoustic echo compensation with a variable number of channels (Schutzrecht: CN000100544223C)
  Inventor(s): Herbert Buchner, Walter Kellermann
• SPRACHSIGNALVERARBEITUNG FÜR DIE GEMEINSAME ADAPTIVE REDUKTION VON STÖRGERÄUSCHEN UND VON AKUSTISCHEN ECHOS (Schutzrecht: AT000000413769E)
  Inventor(s): Walter Kellermann, Wolfgang Herbordt
• Speech signal processing with combined adaptive noise reduction and adaptive echo compensation (Schutzrecht: EP000001633121B1)
  Inventor(s): Walter Kellermann, Wolfgang Herbordt
• VORRICHTUNG UND VERFAHREN ZUR MEHRKANALIGEN AKUSTISCHEN ECHOKOMPENSATION MIT VARIABLER KANALZAHL (Schutzrecht: AT000000358391E)
  Inventor(s): Herbert Buchner, Walter Kellermann
• Signaltrenner, Verfahren zum Bestimmen von Ausgangssignalen basierend auf Mikrophonsignalen und Computerprogramm (Prioritätsbegründende Patentanmeldung: DE102006027673A1)
  Inventor(s): Herbert Buchner, Robert Aichner, Walter Kellermann
• Signal separator, method for determining output signals on the basis of microphone signals, and computer program (Prioritätsbegründende Patentanmeldung: WO002007144147A1)
  Inventor(s): Herbert Buchner, Robert Aichner, Walter Kellermann
• Signal separator, method for determining output signals on the basis of microphone signals, and computer program (Prioritätsbegründende Patentanmeldung: AU002007260233A1)
  Inventor(s): Herbert Buchner, Walter Kellermann, Robert Aichner
• Mikrofonkalibrierung bei einem RGSC-Beamformer (Prioritätsbegründende Patentanmeldung: DE102005047047A1)
  Inventor(s): Walter Kellermann, Parijat Oak
• Microphone calibration in a RGSC-beamformer (Prioritätsbegründende Patentanmeldung: EP000001771034A2)
  Inventor(s): Walter Kellermann, Parijat Oak
• Device and method for multichannel acoustic echo cancellation with a variable number of channels (Schutzrecht: EP000001438833B1)
  Inventor(s): Herbert Buchner, Walter Kellermann
• Speech Signal Processing With Combined Noise Reduction And Echo Compensation (Prioritätsbegründende Patentanmeldung: CA000002518134A1)
  Inventor(s): Wolfgang Herbordt, Walter Kellermann
• Speech signal processing with combined noise reduction and echo compensation (Prioritätsbegründende Patentanmeldung: US020060153360A1)
  Inventor(s): Walter Kellermann, Wolfgang Herbordt
• Speech signal processing with combined adaptive noise reduction and adaptive echo compensation (Prioritätsbegründende Patentanmeldung: EP000001633121A1)
  Inventor(s): Walter Kellermann, Wolfgang Herbordt
• Speech signal processing by combined noise reduction and echo compensation (Schutzrecht: JP002006101499A)
  Inventor(s): Walter Kellermann, Wolfgang Herbordt
• Speech signal processing by combined noise reduction and echo compensation (Schutzrecht: KR102006050991A)
  Inventor(s): Walter Kellermann, Wolfgang Herbordt
• Mobile communication apparatus with speech processing device (Prioritätsbegründende Patentanmeldung: EP000000642290A3)
  Inventor(s): Walter Kellermann
• Device and Method for Processing an Input Signal (Schutzrecht: KR102006087603A)
  Inventor(s): Herbert Buchner, Wolfgang Herbordt, Sascha Spors, Walter Kellermann
• Device and Method for Processing an Input Signal (Prioritätsbegründende Patentanmeldung: EP000001680910A1)
  Inventor(s): Herbert Buchner, Wolfgang Herbordt, Sascha Spors, Walter Kellermann
• Apparatus and Method for Processing an Input Signal (Prioritätsbegründende Patentanmeldung: US020060262939A1)
  Inventor(s): Herbert Buchner, Wolfgang Herbordt, Sascha Spors, Walter Kellermann
• Adaptive Filtervorrichtung und Verfahren zum Verarbeiten eines akustischen Eingangssignals (Schutzrecht: DE000010351793B4)
  Inventor(s): Herbert Buchner, Wolfgang Herbordt, Sascha Spors, Walter Kellermann
• Vorrichtung und Verfahren zum Verarbeiten eines Eingangssignals (Prioritätsbegründende Patentanmeldung: DE000010362073A1)
  Inventor(s): Herbert Buchner, Wolfgang Herbordt, Sascha Spors, Walter Kellermann
• Vorrichtung und Verfahren zum Verarbeiten eines Eingangssignals (Prioritätsbegründende Patentanmeldung: DE000010351793A1)
  Inventor(s): Herbert Buchner, Wolfgang Herbordt, Sascha Spors, Walter Kellermann
• Device and Method for Processing an Input Signal (Prioritätsbegründende Patentanmeldung: WO002005046194A1)
  Inventor(s): Herbert Buchner, Wolfgang Herbordt, Sascha Spors, Walter Kellermann
• Device and method for carrying out multichannel acoustic echo cancellation with a variable number of channels (Schutzrecht: CN000001608351A)
  Inventor(s): Herbert Buchner, Walter Kellermann
• Device and method for multichannel acoustic echo cancellation with a variable number of channels (Prioritätsbegründende Patentanmeldung: EP000001438833A2)
  Inventor(s): Herbert Buchner, Walter Kellermann
• Vorrichtung und Verfahren zur mehrkanaligen akustischen Echokompensation mit variabler Kanalzahl (Schutzrecht: DE000010153188C2)
  Inventor(s): Herbert Buchner, Walter Kellermann
• Vorrichtung und Verfahren zur mehrkanaligen akustischen Echokompensation mit variabler Kanalzahl (Prioritätsbegründende Patentanmeldung: DE000010153188A1)
  Inventor(s): Herbert Buchner, Walter Kellermann
• Device and method for multichannel acoustic echo cancellation with a variable number of channels (Prioritätsbegründende Patentanmeldung: WO002003039115A2)
  Inventor(s): Herbert Buchner, Walter Kellermann
• Device and method for carrying out multichannel acoustic echo cancellation with a variable number of channels (Prioritätsbegründende Patentanmeldung: WO002003039115A3)
  Inventor(s): Herbert Buchner, Walter Kellermann
• Mobile radiotelephone set with handsfree device (Schutzrecht: EP000000668007B1)
  Inventor(s): R. Martin, K. Janse, C. Knibbler, Walter Kellermann
• Mobil radiotelephone set with handsfree device (Prioritätsbegründende Patentanmeldung: SG000000054277A1)
  Inventor(s): C. Knibbler, K. Janse, R. Martin, Walter Kellermann
• Mobile radiotelephone with handsfree device (Schutzrecht: US000005835607A)
  Inventor(s): R. Martin, K. Janse, C. Knibbler, Walter Kellermann
• Mobile radio set comprising a speech processing arrangement (Schutzrecht: US000005602962A)
  Inventor(s): Walter Kellermann
• Transmission system comprising a sub-band echo canceller which includes a sub-band coding arrangement (Schutzrecht: US000005500880A)
  Inventor(s): Walter Kellermann
• Sprachverarbeitungseinrichtung (Prioritätsbegründende Patentanmeldung: DE000004330243A1)
  Inventor(s): Walter Kellermann
• Mobile radiotelephone set with handsfree device (Prioritätsbegründende Patentanmeldung: WO001995007597A1)
  Inventor(s): R. Martin, K. Janse, C. Knibbler, Walter Kellermann
• Mobile radiotelephone set with handsfree device (Prioritätsbegründende Patentanmeldung: EP000000668007A1)
  Inventor(s): R. Martin, K. Janse, C. Knibbler, Walter Kellermann
• Mobile communication apparatus with speech processing device (Prioritätsbegründende Patentanmeldung: EP000000642290A2)
  Inventor(s): Walter Kellermann
• Channel selector arrangement (Schutzrecht: US000005457711A)
  Inventor(s): Walter Kellermann
• Transmission system with a subband echo canceller and subband coding apparatus (Prioritätsbegründende Patentanmeldung: EP000000584861A1)
  Inventor(s): Walter Kellermann
• Teilbandechokompensator mit Teilbandcodiereinrichtung (Prioritätsbegründende Patentanmeldung: DE000004227327A1)
  Inventor(s): Walter Kellermann
• Kanalauswahleinrichtung (Prioritätsbegründende Patentanmeldung: DE000004226676A1)
  Inventor(s): Walter Kellermann
• Channel selection apparatus in a multiple receiver system (Prioritätsbegründende Patentanmeldung: EP000000587210A1)
  Inventor(s): Walter Kellermann