Author: kdk ★2017
Date: 2021-05-04 02:17
Fuzzy wrote:
> The aerosol/bell cover study was
> very controlled and seems difficult to apply to real-world
> application due to the incredible number of variables which
> couldn't be included in the study. Again, to me, it seems this
> leaves us yet another study into which we might fall into
> beliefs or camps.
I think we were already in those "camps" about bell covers before this study (which, for anyone who missed it, Philip Caron cited in the other bell-mask-related thread) was published last month. Instead of sending me into a "camp," it simply doesn't convince me that what I already believed is wrong.
In its controlled design, it doesn't test anything that's really relevant to the problem: does playing a clarinet with or without a bell mask broadcast enough aerosols to present a danger to others nearby? A convincing study would have to demonstrate at the least that most of the aerosols produced during clarinet playing come from the bell. The study only shows that bell masks reduce the aerosol flow that does come through the unmasked bell.
Karl
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