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. 2021 Jan 20;11:613311. doi: 10.3389/fphys.2020.613311

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Copyright © 2021 Pinheiro, Vianna and Carmo.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Top and middle panels show the original recording of the noise from the noiseless device and Vacuum cleaner-based system, respectively. Bottom panel shows the average noise responses within different environments.