@inproceedingsWarsitz_Haeb-Umbach_2004, title=Robust speaker direction estimation with particle filtering, DOI=10.1109/MMSP.2004.1436569, booktitle=IEEE Workshop on Multimedia Signal Processing (MMSP 2004), author=Warsitz, Ernst and Haeb-Umbach, Reinhold, year=2004, pages=367–370