Phoneme-Dependent Speech Enhancement. - Jochen Withopf; Gerhard Schmidt; Patrick Hannon; Mohamed Krini (Sprachkommunikation, 2010)

Suppression of Instationary Distortions in Automotive Environments. - Jochen Withopf; Gerhard Schmidt (ITG Conference on Speech Communication, 2012)

In-Car Communication. - Christian Lüke; Gerhard Schmidt; Anne Theiß; Jochen Withopf (Smart Mobile In-Vehicle Systems, 2014)

Instrumental Evaluation of In-Car Communication Systems. - Anne Theiss; Gerhard Schmidt; Jochen Withopf; Christian Lueke (ITG Symposium on Speech Communication, 2014)

Application of Frequency Shifting in In-Car Communication Systems. - Jochen Withopf; Sebastian Rohde; Gerhard Schmidt (ITG Symposium on Speech Communication, 2014)

Estimation of time-variant acoustic feedback paths in in-car communication systems. - Jochen Withopf; Gerhard Schmidt (IWAENC, 2014)

Signalverarbeitungsverfahren zur Verbesserung der Sprachkommunikation im Fahrzeug. - Jochen Withopf (Shaker Verlag, 2017)