The beans are symbolic of a low pass filter. I base this on what happens when you eat a lot of beans.
Probably a picture of something carbonated, like a beer, would work as a symbol of a high pass filter because it makes you burp.
Interpretation is not easy, but I think I nailed this one. :-)
Probably a picture of something carbonated, like a beer, would work as a symbol of a high pass filter because it makes you burp.
Interpretation is not easy, but I think I nailed this one. :-)