Baudline has always been very powerful as well:Hi all, I saw a program a year or two ago that would display spectral data very prettily and also give note names. I hate that I'm having trouble describing it accurately, I just remember it as a "very musical spectrogram program" ... argh... does anybody know what I'm talking about?Sonic Visualiser and some of the tools bundled with CLAM come to mind... http://www.sonicvisualiser.org/ http://clam-project.org/