SynthMaker

looking fo a basic EQ example to learn from

Archive · 2009 6 old posts

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

pawn1one ·

I am sure this has come up before but...

I'm looking for a simple EQ example one that a beginner like me can take apart and figure out.

Just so I can figure out a single EQ band and see how to add more bands to the audio signal. I’ve always wondered how digital EQ's Work.

Nu Audio Science ·

Look inside the parametric in the toolbox for a parametric band to learn off And i think most people use the RBJ filters (Do a search here) for other EQs

NAS

pawn1one ·

Ok this colud take up alot of screen but please bare with me..

This is inside the EQ module found inside the Parametric EQ effect we will call it fig 1

now this is inside the peaking EQ Module (upper mid of fig 1) we will call it fig 2

this is inside the Peaking EQ Biquad Coeffs (left mid of fig 2) we will call it fig 3 I moved things around to save screen space and make it simpler to read...

and this is inside the Biquad IIR module (right of fig 2) we will call it fig 4

please help me make sense out of all this, where do I start where would you start if you started from scratch. I havent even looked at the RBJ filters should I start there?

sorry the right side of the pics got cutoff guess my pics are just to big hope the outs names arent to hard to figutre out...

Nu Audio Science ·

The biquad is a filter The coefs are filter coeffiecents They are the most important thing I can't help you much more as i am only just starting to get my head round all this lark myself properly and DSP is not my strong point i'm afraid Your best bet is to google it up and see what you get from filter coeffiecents

NAS

pawn1one ·

ok I have a better Idea how would I go about moding the interface so it uses sliders and knobs instead.

I would still like to know how to mod the EQ itself to say put an extra shelf eq in or another band but I still need to get to know the interface functions as well and I figure an eq is a good thing to practice on for both.

pawn1one ·

I found this mixer strip with a 3 band Eq on it so I figured I would link it here for others

Mixer Strip with Parametric EQ and Midi Remote Control

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