Spors, S., Buchner, H. and Helwani, K. (2009). Block-based Multichannel Transform-Domain Adaptive Filtering. European Signal Processing Conference (EUSIPCO)

Spors, S., Helwani, K. and Ahrens, J. (2011). Local sound field synthesis by virtual acoustic scattering and time-reversal. 131th Convention of the Audio Engineering Society, 1–14.

Rettberg, T., Helwani, K., Spors, S. and Buchner, H. (2012). Practical Aspects of the Calibration of Spherical Microphone Arrays. German Annual Conference on Acoustics (DAGA). DEGA.

Huang, H., Benesty, J., Chen, J., Helwani, K. and Buchner, H. (2013). A STUDY OF THE MVDR FILTER FOR ACOUSTIC ECHO SUPPRESSION. to appear in the Proc. IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Vancouver, Canada

Helwani, K., Lindau, A. and Weinzierl, S. (2008). Efficiency of two-dimensional interpolation algorithms for high-quality dynamic binaural synthesis. J. Acoustical Society of America, Volume 123, Issue 5

Helwani, K. and Buchner, H. (2013). ON THE EIGENSPACE ESTIMATION FOR SUPERVISED MULTICHANNEL SYSTEM IDENTIFICATION. to appear in the Proc. IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Vancouver, Canada.

Helwani, K., Buchner, H., Benesty, J. and Chen, J. (2013). A Single-Channel MVDR Filter for Acoustic Echo Suppression. Signal Processing Letters, IEEE. IEEE, 351–354.

Helwani, K., Buchner, H., Benesty, J. and Chen, J. (2013). Multichannel Acoustic Echo Suppression. Proc. IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Vancouver, Canada.. IEEE, 600–604.

Helwani, K., Buchner, H. and Spors, S. (2010). On the Robust and Efficient Computation of the Kalman Gain for Multichannel Adaptive Filtering with Application to Acoustic Echo Cancellation. Proc. Asilomar Conference on Signals, Systems, and Computers. IEEE.

Helwani, K., Buchner, H. and Spors, S. (2010). Source-domain adaptive filtering for MIMO systems with application to acoustic echo cancellation. Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010). IEEE, 321–324.

Helwani, K., Buchner, H. and Spors, S. (2012). Multichannel Adaptive Filtering with Sparseness Constraints. International Workshop on Acoustic Signal Enhancement (IWAENC). IEEE.

Helwani, K., Rettberg, T., Buchner, H. and Spors, S. (2012). Towards a Modular System for Real-Time Multiple-Input/Mltiple-Output Audio Processing. German Annual Conference on Acoustics (DAGA)

Helwani, K., Spors, S. and Buchner, H. (2012). How to Design a Delay-and-Sum Beamformer for Rigid Rotationally Symmetric Arrays?. 46th Annual Asilomar Conference on Signals, Systems, and Computers. IEEE, 1–4.

Helwani, K., Buchner, H. and Spors, S. (2011). Calibration of Microphone Arrays with Arbitrary Geometries. German Annual Conference on Acoustics (DAGA). DEGA.

Helwani, K., Spors, S. and Buchner, H. (2011). Spatio-temporal signal preprocessing for multichannel acoustic echo cancellation. Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP)

Ciba, S., Helwani, K., Wierstorf, H., Obermayer, K., Raake, A. and Spors, S. (2012). Employing a Binaural Auditory Model to Classify Everyday Sound Events. German Annual Conference on Acoustics (DAGA)

Buchner, H. and Helwani, K. (2010). On the Relation Between Blind System Identification and Subspace Tracking and Associated Generalizations. Proc. Asilomar Conference on Signals, Systems, and Computers. IEEE.