Hi

I’m new in this area and work on a project at the school, but I have a problem.

The following environment:
- mac 
10.6
- python 2.7

Over an audio interface (M-Audio fast track pro, USB connected to the mac) I 
would work in python 
with my guitar signal. The output I would get out of python is the frequency of 
the guitar I play. These frequencies I 
would like to visualize with some program (whether I have to write it or may by 
an existing one (anytop? Or which 
software?)) on the mac.

I tried to install pyusb to detect my USB signals, but there was failure while 
installing (no 
backend available). I think we need libusb 1.0, but we have installed it and it 
did not work.

Do you have any hint? Do 
I miss something or what is wrong?

Many thanks for any input!

Jonas Stamm


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