Discovering birdsong is a project using the amazing audio archive at xeno-canto
It is an attempt to use simple techniques of bayesian inference to power a recommendation engine for the catalog of bird calls at Xeno-Canto.
Powered by Python, Django, Numpy, and Scipy. And probably alot more. read the reqs.
Many, many warm thanks to Jonathon Jongsma, William-Pier Vellinga and Bob Planque for donating their time and data to help make this possible.