Okay kiddo, have you ever heard of a filter before? It's like a strainer for sound or music. It can let some parts of the sound or music through and block others.
Well, a cascaded integrator-comb filter is a type of filter that is made up of two different parts that work together really well.
The first part is called an integrator. It takes the sound or music and smoothes it out by adding up all the different parts and averaging them together.
The second part is called a comb filter. It takes the smoothed out sound or music and removes certain parts of it by subtracting them.
When you put the integrator and the comb filter together, you get a cascaded integrator-comb filter. It's like putting a strainer inside of a strainer!
This type of filter is really good at getting rid of unwanted noise or interference in a sound or music signal. It's used in a lot of different things, like audio speakers, radio and television broadcasts, and even cell phone signals.
So, now you know what a cascaded integrator-comb filter is and how it works! Keep on learning, little one.