Hello
I want to try to play around with noise cancellation primarily for my computer case fan noise and maybe even dorm corridor noise .
What I am currently looking at is a way to phase shift an audio signal from 0 to 180 degrees .
I Found something like this (first circuit on the page) but something tells me that this is designed for a single variable frequency and not a complex audio signal due to the capacitative reactance changing with frequency. Are my assumptions correct or do you guys think that something like that would do the job of phase shifting an audio signal ?
I want to try to play around with noise cancellation primarily for my computer case fan noise and maybe even dorm corridor noise .
What I am currently looking at is a way to phase shift an audio signal from 0 to 180 degrees .
I Found something like this (first circuit on the page) but something tells me that this is designed for a single variable frequency and not a complex audio signal due to the capacitative reactance changing with frequency. Are my assumptions correct or do you guys think that something like that would do the job of phase shifting an audio signal ?