Here are some audio links on John Calvin.
John Calvin: The Divine Majesty of the Word
Robert Godfrey (President, Westminster Seminary California)
Heroes of the Faith: John Calvin
John Calvin and the Pentateuch
David Calhoun (Professor Emeritus of Church History, Covenant Seminary)
Knowing God and Ourselves: The Institutes of John Calvin
Calvin's Institutes (This course consists of 27 audio lectures plus lecture transcripts and study guides available as pdf documents)
Michael Haykin (Professor of Church History and Biblical Spirituality at SBTS and Director of the Andrew Fuller Center)
Early Years, 1509-1536
Ministry Years, 1536-1564
These links are available at Sermon Audio.com, Covenant Seminary's Worldwide-Classroom and Monergism.