[music-dsp] forward/backward filtering

Svante Stadler svante_dsp at hotmail.com
Wed Sep 5 08:57:58 EDT 2001


Hi

I had an idea on how to mess up the phase response without changing the 
frequency response: First I filtered the signal and then I applied the 
inverse filter in the backward direction.

But - to my surprise, nothing happened! The signal was unchanged. So is it 
my code that's messed up or am I wrong in theory?

/Svante.


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