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2. Remotely Administered Psychoacoustic Test for sUAS Noise to Gauge Feasibility of Remote UAM Noise Study.

Author

Krishnamurthy, Siddhartha, Rizzi, Stephen, Biziorek, Ryan, Czech, Joseph, Berg, Jeffrey, Tannler, Dillon, Bean, Devin, Ayrapetyan, Arman, Nguyen, Andrew, and Wivagg, Jonathan

Subjects
AUTOMOBILE noise, PSYCHOACOUSTICS, COMPUTER software, DATA analysis
Abstract

The National Aeronautics and Space Administration (NASA) remotely administered a psychoacoustic test in fall of 2022 as the first of two phases of a cooperative Urban Air Mobility (UAM) vehicle noise human response study. This first phase, described here, was a Feasibility Test to compare human subject responses with a previous in-person psychoacoustic test that found an annoyance response difference between small Uncrewed Aerial System (sUAS) noise and ground vehicle noise. This paper discusses the Feasibility Test online layout, sound calibration method, software development, stimuli selection, test subject recruitment, and test administration. Test performance is measured through comparison of annoyance response data with the previous in-person test. The test also investigated whether a contextual cue to test subjects influenced their annoyance response. Response differences between test subjects in geographically distinct areas are analyzed. Administrative challenges that were encountered during the test are discussed, and improvements to administering subsequent remote tests are recommended. [ABSTRACT FROM AUTHOR]

Published
2023
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3. Experiential design tools for acousticsi—A retrospective and look ahead at the use of sound and visualizations for transportation noise

Author

Biziorek, Ryan, primary, Hiller, David, additional, Jurdic, Vincent, additional, Maldonado, AnaLuisa, additional, Harris, Henry, additional, Heggie, Cameron, additional, Her, Paul, additional, Sharp, Calum, additional, Thomas, Adam, additional, Woodcock, James, additional, bean, devin, additional, Digerness, Joseph, additional, Swan, Jon, additional, and Gommer, Bettine, additional

Published
2022
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4. Quantification and Comparison of Metabolic and Cardiorespiratory Responses to Increasing Levels of Support during Bodyweight-Supported Treadmill Running in Trained Runners Running at Anaerobic Threshold.

Author

Foley, Michael, Bean, Devin, and Jernigan, Darin

Subjects
BODY-weight-supported treadmill training, TREADMILL exercise, RUNNING, CARDIOPULMONARY system, PHYSICAL therapy
Abstract

The purpose of this study was to quantify and compare metabolic and cardiorespiratory responses to bodyweight-supported treadmill running (BWSTR) in trained runners at speeds corresponding to their anaerobic threshold to improve understanding of the possibility of using bodyweight-supported treadmill running as a potential overspeed training modality and stimulus. Fourteen subjects (12 males and 2 females) ran on a treadmill using a Pneu-Weight© harness support system in 6 conditions of increasing bodyweight support. Oxygen consumption, minute ventilation, tidal volume, heart rate, and oxygen pulse significantly decreased with increased bodyweight support. The largest effect sizes were observed when 20%, 25%, and 30% of the runners' bodyweight was supported. To our knowledge, this is the only study that has specifically measured heart rate and oxygen pulse responses to bodyweight-supported treadmill running. The findings support the use of bodyweightsupported treadmill running as a modality for overspeed training. [ABSTRACT FROM AUTHOR]

Published
2018

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