The goal of this digital collection is to present digital voice files for subjects across the curriculum. The site is an interesting browse, even if you are not looking for a particular event or speaker. From the University of Michigan.
Media Cloud (from the Berkman Center for Internet and Society at Harvard University) is an open source, open data platform that allows researchers to answer quantitative questions about the content of online media. Using Media Cloud, researchers, journalism critics and interested citizens can examine what media sources cover which stories, what language different media outlets use in conjunction with different stories, and how stories spread from one media outlet to another.