The number of podcasts, including lectures in both audio and video form, downloaded by students went from 720,634 in 2011 to just over 2.1 million last year. Students could listen to or watch podcasts on their computers, tablets or smartphones.
IT services teaching and learning facilities manager Mr Pratt said the drastic increase was largely because students were more attuned to viewing content online.
As demand for the service increased, more lecturers were making podcasts of their classes, which in turn meant the number of downloads increased further.
Having access to podcasts gave students the opportunity to listen again to information they ''did not quite get the first time'' and also came in handy before exams, he said.
''The content hasn't changed. It's just another way of ingesting it.''
He did not believe access to podcasts would stop students from attending lectures.
''Lectures are still full.''
The number of downloads have increased steadily since the university launched the service in 2008, when there were just 265 downloads. In 2009 there were 137,000 and in 2010 the figure rose to 404,000.
Mr Pratt expected the number of downloads would continue to rise over the next few years.