Simultaneous conference interpreting is a complex languageprocessing task combining language comprehension and language production in real time. One of the factors with the potential to compound the complexity of this task is the integration of visual information in the process. Whether it is facial expressions, gestures, images or text, the processing of visual information has been shown to interact with auditory information when processed simultaneously. The question about the extent to which the availability of such visual information helps or hinders comprehension in simultaneous interpreting is as yet unclear. This is an attempt to model these parameters.