If you’ve ever tried to buy headsets or headphones, I bet you’ve detected the term “noise cancellation” used once or doubly. I can even bet that you just weren’t constant quite certain what it meant. It’s not your fault: betting on the context, noise cancellation can mean a variety of things, and corporations aren’t precisely consistent in how they use the term. Let’s attempt to unravel the riddle. When taking into headsets for loud environments,…