[javajosh]

I assumed this as well before I had an issue with the device where the firmware somehow got corrupt and I had to update it. Without the firmware noise cancellation, people complained that they could hear everything, the creaking of my wooden floor every rustle of every piece of paper and so on. But once I fixed the firmware all of that went away. That said I think you're right and putting the mic closer to your mouth is probably a good thing in general