State variable filter

Okay kiddo, so a state variable filter is like a toy that lets you change the sound of music or noises. We can use this toy to make different sounds like a duck quack or a car honk.

The toy has three parts: a toy car, a toy house, and a toy playground. We use these toys to change the sound of the music.

The toy car is like a music signal that goes into the filter. The toy house makes the music sound different by changing the way it sounds like whether it's quiet or loud. And the toy playground changes the music by making it sound like it's going up or down.

So, when we put the toy car into the toy house, we can make the music sound either quiet or loud. And when we put the toy car into the toy playground, we can make the music sound like it's going up or down.

So, a state variable filter is like a toy that helps us change the sound of music by adjusting the toy house and playground. It can make different kinds of music and noisy sounds, just like a toy can make different sounds depending on how we play with it.