Language Technology, Universität Hamburg, Germany
https://www.inf.uni-hamburg.de/en/inst/ab/lt (formerly TU-Darmstadt)
https://www.lt.tu-darmstadt.de
Telecooperation labs, TU-Darmstadt, Germany
https://www.tk.informatik.tu-darmstadt.de
The speech data was collected in a controlled environment (same room, same microphone distances, etc. )
Distance between speakers and the microphones is about 1 meter… See the full description on the dataset page:
https://huggingface.co/datasets/uhhlt/Tuda-De.