Spencer Russell wrote: >I've been thinking that a pitch-to-midi converter would be a >handy tool for those of us who play instruments other than piano. >I imagine it can't be much harder than breaking the signal down >into its component frequencies, and figuring out what the >greatest common factor is of the frequency peaks. There are >probably other considerations that I'm not thinking about off the >top of my head, but it seems like a doable project, if nothing >like that exists already. > It is way more difficult than that. Finding the pitch of a signal, even monophonic, is *very* tricky, for real instruments. David