How do noise-canceling headphones work?

The market for true wireless earbuds and headphones has dramatically grown with the increasing popularity of consumer electronics. But among these products, one specific feature has taken a huge leap in becoming more common or, I would say, affordable for the common public. That is the active noise cancellation feature, which was pretty niche to a specific set of user groups not less than ten years back.

This feature used to be a niche product for a select group of users, primarily frequent air travelers. But now, with technology being more affordable, it has become more vividly seen in…