Las mascarillas quirúrgicas son las mejores para ser oído al hablar noticiasdenavarra.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from noticiasdenavarra.com Daily Mail and Mail on Sunday newspapers.
Study reveals disposable surgical masks have best acoustic effect on speech ANI | Updated: Dec 26, 2020 09:45 IST
Washington [US], December 26 (ANI): A new study has evaluated the acoustic effects that face masks have on speech. The team of researchers tested disposable surgical masks, masks with a clear plastic window around the mouth, medical masks, along with homemade and store-bought cloth masks which comprised of different fabric types and no. of layers.
Ryan Corey, an electrical and computer engineering postdoctoral researcher under Professor Andrew Singer at the University of Illinois Urbana-Champaign, leads a team that studies audio signal processing, especially for listening devices like hearing aids. The results of the team s new study evaluating the acoustic effects of face masks on speech are published in The Journal of the Acoustical Society of America.
Surgical masks have best acoustic effect on speech saltlakecitysun.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from saltlakecitysun.com Daily Mail and Mail on Sunday newspapers.
The Post office is in chaos, and so is the vaccine rollout. And politicians (who aren’t old or newly elected) getting it is a travesty. But we knew that would happen with this evil bunch.
The doctor I work for (eye doctor) can’t get any information about getting the staff immunized though we work in closer quarters to patients than I do as a retail worker in the market. At least that’s in blood-red Indiana while her peers in blue states are already getting immunized. As front line essential workers, not as first line health care workers, which is as it should be. We’re still at less risk than hospital staff.
Seals Are Making Creepy Ultrasound Noises Underwater, And We Have No Idea Why
BRANDON SPECKTOR, LIVE SCIENCE
24 DECEMBER 2020
Above water, they sound like bellowing Wookies. Below the ice, they sound like chirping, chattering robots. Either way, the Weddell seals of Antarctica should have no trouble finding work in an upcoming
Star Wars project.
The Weddell seals calls create an almost unbelievable, otherworldly soundscape under the ice, Paul Cziko, a visiting professor at the University of Oregon and lead author of a new study describing the bizarre seal sounds, said in a statement. It really sounds like you re in the middle of a space battle in