I've been teaching large lectures for many years. After the initial remote teaching phase of the pandemic management required most faculty to go back to in-person teaching. While most of my colleagues decided to do so maskless, I made the unpopular decision to wear N95+ respirators while teaching in class. Despite pushback on N95s from […]
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 […]
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 […]