To provide cost-effective, responsive and efficient range of centralised audio-visual services to the University.  To ensure that production meets the academic standards of departments.  To promote the creative use of audio-visual software and techniques in the dissemination and presentation of knowledge and improvement of communication skills.   Through direct involvement in teaching, training, consultancy, evaluation and research, CET will contribute to the attainment of the University's aims of quality assurance and serve the community effectively.