Missing Externals?
First try upgrading to the latest extended Pd. If it's still not available compile it. As a last resort take one of these binaries which might work.
Mac
[ead~]
exponential attack decay ead~.
[delta~]
audio rate delta delta~.
Windows
[ead~]
exponential attack decay ead~.
[delta~]
audio rate delta delta~.
Linux
[ead~]
exponential attack decay ead~.
[delta~]
audio rate delta delta~.