One of the themes coming out of today's sessions at ISMIR is a growing interest in crowd sourcing groundtruth and evaluation data for MIR tasks.
Masataka Goto introduced his amazing
Songle application, which uses an impressively-crafted Flash application to display automatically extracted chord symbols, melody line, and more, for any mp3 on the web, and also allows users to correct the automatic annotations by hand. Meanwhile Dan Stowell showed a delightfully simple web interface designed for use in the school classroom, which displays automatically extracted harmony information alongside any embedded YouTube music video: truly
MIR for the masses.
Finally here are the slides from my own talk about tempo estimation:
