Carl is a Professor in Acoustics and Head of the Acoustics Research Unit at the University of Liverpool. He is a Fellow of the Institute of Acoustics and a Chartered Engineer. Carl was awarded the Tyndall Medal in 2012 for his achievements and services in the field of acoustics, and awarded the Engineering Medal in 2016 in recognition of his outstanding contribution in the field of acoustical engineering.
His research primarily focuses on the measurement and prediction of sound and structure-borne sound in the built environment with applications to building, automotive, aeronautic, or marine structures. He has published a sole-author monograph on sound transmission in buildings that is referenced in British, European and International Standards. Recent research on using vibrotactile stimuli to facilitate interactive performance between musicians with hearing impairments was shortlisted for the 2013 THE award 'Research project of the year'.