I got curious and decided to look at RAA. http://raa.ruby-lang.org/ mp3info claims to be able to give mp3 length. -Carlos On Sat, 19 Jan 2008 10:47:47 +0900, "Rick DeNatale" <rick.denatale / gmail.com> said: > I'm working on a project which has the requirement to automatically > determine the runtime of audio files in several formats, right now mp3 > and aac. > > I googled around to see if there might be some existing code, > hopefully ruby code which can determine this, but I'm coming up dry. > > Any ideas? > > -- > Rick DeNatale > > My blog on Ruby > http://talklikeaduck.denhaven2.com/ >