The Zip Filter (experimental and improvable)
Posted: Mon Jul 24, 2023 6:51 pm
Here's what i call the Low Pass Zip Filter.
Don't know if this structure already exist ? ChatGpt don't know it, and i didn't find equivalence.
It seams to stay stable. But the way i calculate coefficient is very special...
Any idea of how i could make it more classical or precise ??)
One drawback is that the slope would decrease after 1/4 nyquiest frequency.
For now the Q control is a little experimental.. It might be adjusted according to the frequency..
So coefficient of the first order is simply sin(freq/SR*pi).
Then each coefficient is derivated from the precedent in a very special and complex to describe way...)
Héhé any idea to improve this strange thing ?)
Don't know if this structure already exist ? ChatGpt don't know it, and i didn't find equivalence.
It seams to stay stable. But the way i calculate coefficient is very special...
Any idea of how i could make it more classical or precise ??)
One drawback is that the slope would decrease after 1/4 nyquiest frequency.
For now the Q control is a little experimental.. It might be adjusted according to the frequency..
So coefficient of the first order is simply sin(freq/SR*pi).
Then each coefficient is derivated from the precedent in a very special and complex to describe way...)
Héhé any idea to improve this strange thing ?)