MARCS Auditory Laboratories is a University Research Centre at the University of Western Sydney. MARCS specialises in research on speech, music, and auditory processes. This paper elaborates particular research strands in MARCS - Auditory Processes and Speech Technology, the Baby Lab, Cormnunicative Musicality, Human Factors and Performance, Music Cognition, Second Language Acquisition, and Speech and Language. and describe current projects in each of these strands. This is followed by a brief history of the Centre and its role at UWS.