Dr Peter Hoar is a Senior Lecturer at Auckland University of Technology where he teaches Radio studies and media history. Before joining AUT he worked in radio, television and journalism and is also a qualified librarian. His research interests are in the field of sound studies, particularly in history, listening practices and technology. His book 'The World’s Din: Listening to Records, Radio and Films in New Zealand 1880–1940' (Otago University Press) is a cultural history of technologically mediated listening in New Zealand.