@inproceedings{ author = {J. Bitzer and K.U. Simmer and M. Kallinger}, year = {2003}, month = {Mar}, title = {Robust, time-variant design of MVDR Beamformers}, address={Aachen, Germany}, abstract={In this contribution, we show a noise estimation procedure in order to design an adaptive Minimum Variance Distortionless Response (MVDR)-Beamformer in the frequency domain. This new algo-rithm uses a multi-channel minimum statistic algorithm. This leads to a very robust implementation that outperform ideal Voice Activ-ity Detection (VAD) based algorithms in a non-stationary environ-ment.}, booktitle={29. Jahrestagung f\"{u}r Akustik (DAGA 03)} }