I have a Signal which represents the phase response of a System
This Signal amplitude is between -pi and +pi
The problem is that the signal is full of phase jumps (greater or equal pi) (it looks a bit like this: http://tinyurl.com/yly3z4)

So i want to unwrap it to get a continuous Signal (without the borders -pi ... +pi)
it would look like this one
http://tinyurl.com/ykslxa

For non signals there are some good wrap objects which can be used even for unwrapping
As attachment an example found in the pd mailing list
I just don't know how to build this thing for signals e.g with the wrap~ object

http://www.pdpatchrepo.info/hurleur/unwrap.pd