[PD] analysis before synthesis: How?

[meino.cramer at gmx.de]

Hi,

this is more a general question:
I have a "piece of sound" (sorry, English is not my mothers tonque...)
which conatins beside background noise a scifi-sound, which I want to
synthezise ("synthesise"?) with puredata as close to the original as
possible -- without the background.

Now I am looking for recipe to do such a thing -- without the need of 
a supercomputer and without the deep deep knowledge of really deep
math.

Is there a way to supress the backgroudn as much as possible?
Would it be make sense to make a fourier analysis with a tool (what
tool -- I am using puredata on Gentoo-Linux)? Are there others
tool, which would help me to solve this task?

Any idea and help are very appreciated -- thanks a lot in advance!

best regards and have a nice sunday!
mcc

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