Hallo Gerda! > has anybody of you built some sort of wavelet analyis(decomposition) > abstraction/external? There are the objects [dwt~] and [idwt~] in the creb library (pd-cvs/externals/creb), but I haven't tried them ... LG Georg -- Bis zu 70% Ihrer Onlinekosten sparen: GMX SmartSurfer! Kostenlos downloaden: http://www.gmx.net/de/go/smartsurfer