Hi, I've put the spectrogram of a bird on this page http://forums.audiofanzine.com/index,idtopic,86573,forum,cris-de-mouettes.html A simple way to reecreate the soudn is to generate a sawtooth waveform with a decaying pitch (exponential cruve), and to apply a decaying amplitude. -- Choc, Music (Electronica/Electroacoustic): http://www.myspace.com/choc29 Website: http://vincent.choqueuse.free.fr _______________________________________________ maxmsp mailing list [EMAIL REMOVED] http://www.cycling74.com/mailman/listinfo/maxmsp