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1 pole LPF for smooth parameter changes Type : 1-pole LPF class References : Posted by zioguido@gmail.com Notes : This is a very simple class that I'm using in my plugins for smoothing parameter changes that directly affect audio stream. It's a 1-pole LPF, very easy on CPU. Change the value of variable "a" (0~1) for slower or a faster response. Of course you can also use it as a lowpass fi

RBJ Audio-EQ-CookbookType : EQ filter kookbookReferences : Posted by Robert Bristow-JohnsonLinked file : Audio-EQ-Cookbook.txt (this linked file is included below)Notes : Equations for creating different equalization filters. see linked fileComments from : martin[DOT]eisenberg[AT]udo[DOT]edu comment : Sorry, a slight correction: rewrite the formula as S = s * log_2(10)/40 * sin(w0)/w0 * (A^2+1)