I looked into noise cancellation technology a while ago, because I have a hobby woodshop, and I want to be able to use my tools past 10 pm. I just don't believ

I looked into noise cancellation technology a while ago, because I have a hobby woodshop, and I want to be able to use my tools past 10 pm. I just don't believe this concept could work the way the video demonstrates it. Nice interface though... but that's kind of the easy part.