[Pd] Complex audio signals

[Mathieu Bouchard]

On Thu, 22 Jun 2006, Chuckk Hubbard wrote:

> I was told there is exactly one imaginary signal corresponding to any 
> real signal.

There are two: cos(x) is both Re(e^ix) and Re(e^-ix). It's the same for 
all other signals.

> I couldn't make the Hilbert transform work right.  Maybe 
> this isn't of any use for any reason, but I'm curious how to do it.

Hmm, did you try phase-shifting the original signal by 90 degrees?

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| Mathieu Bouchard - tél:+1.514.383.3801 - http://artengine.ca/matju
| Freelance Digital Arts Engineer, Montréal QC Canada