The software uses artificial intelligence to selectively remove background noise, echoing, and other unwanted sounds from the mix and then sends only the sound of actual humans talking to everyone on the other end. And if all of that sounds too good to be true, let me tell you: It isn'I tested Krisp in a variety of conditions, including with someone mowing the lawn right outside my home office window and even with a white noise app making all sorts of racket right into my microphone.

Link: These 3 remarkable Zoom apps make your meetings way better—for free
via http://www.fastcompany.com