Prof. Dr. ir. Simon Doclo
Head of Group 

Office: W30 3-311 
Tel: +49-441-798 3344 
simon.doclo@uol.de

Katja Warnken 
Administrative support 

Office: W30 3-312 
Tel: +49-441-798 5470 
katja.warnken@uol.de

Kirsten Scheel 
Administrative support 

Office: W30 3-312 
Tel: +49-441-798 3813 
kirsten.scheel@uol.de

Christoph Scheicht
Technical support 

Office: W2 1-164 
Tel: +49-441-798 3568 
christoph.scheicht@uol.de

Tong Xiao
Active noise control
for hearables

tong.xiao@uol.de

Klaus Brümann
Source localization for compact
and distributed microphone arrays

klaus.bruemann@uol.de

Daniel Fejgin
Binaural source localization


daniel.fejgin@uol.de

Henri Gode
Parameter estimation for multi- 
microphone speech enhancement

henri.gode@uol.de

Ulrik Kowalk (*)
Signal enhancement with
preservation of localization cues

ulrik.kowalk@jade-hs.de

Jiatong Li
Unsupervised learning 
for speech enhancement 

jiatong.li@uol.de

Anselm Lohmann
Dereverberation in 
acoustic sensor networks 

anselm.lohmann@uol.de

Wiebke Middelberg
Speech enhancement in
acoustic sensor networks

wiebke.middelberg@uol.de

Kaspar Müller
Distributed algorithms for 
speech communication in a car 

kaspar.muller@cerence.com

Mattes Ohlenbusch (°)
Own voice reconstruction
for hearables

mattes.ohlenbusch@idmt.fraunhofer.de

Stepan Shishkin (°)
Active learning for sound event 
classification and detection 

stepan.shishkin@idmt.fraunhofer.de
 

Ragini Sinha (°)
Target speaker extraction
using deep neural networks

ragini.sinha@idmt.fraunhofer.de

Marvin Tammen  
Speech enhancement using
deep neural networks

marvin.tammen@uol.de