Besides limiting the movement of the circles to be vertical, I've added the color element that is determined by the Y position of the circles as they move. A transparency slider has also been added to adjust the transparency of the circles.
This is a fun and simple exercise that visualizes the loudness of the incoming sound with the emojis. I have used a set of face emojis (đ, đ¤¨, đ , đĄ, đ¤Ź) to indicate the degree of disruption.
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