The melodyne software will do this with vocals, but I believe it requires a lot of manual intervention. Melodyne will "auto-tune" vocals and that sometimes soun

The melodyne software will do this with vocals, but I believe it requires a lot of manual intervention. Melodyne will "auto-tune" vocals and that sometimes sounds really weird in equal temperament since vocalists will fluidly switch between equal temperament and other modes of intonation depending on accompaniment context.