Being heard while wearing a mask

The following are a set of preliminary tests I did to determine relative speech sound performance while wearing a mask. I'm particularly interested in the context of mask-wearing in a classroom, but this could be helpful in many other workplaces. I tested a number of masks in my dining room. Audio levels were measured using […]

2022: the Year of the N95 respirator

In 2020 and 2021 we wore masks. In 2022 we will be wearing respirators. Whether they're official NIOSH N95s, CAN95, or KN95 , for the purpose of general public use we can just call them "N95s". The need for N95s has been clear from the beginning of the pandemic, but for two years most of […]