Dr Carlos Ramos Romero C.A.RamosRomero@salford.ac.uk
Postdoctoral Research Fellow Acoustics
Dr Carlos Ramos Romero C.A.RamosRomero@salford.ac.uk
Postdoctoral Research Fellow Acoustics
Dr Marc Green M.C.Green@salford.ac.uk
Postdoc Research Fellow in Acoustic Eng
Prof Antonio Torija Martinez A.J.TorijaMartinez@salford.ac.uk
Professor
This paper describes a methodology to generate auralisations of quadcopter flyovers from recordings of hovering operations. The primary focus of this investigation is reproducing changes in the tonal components at the blade passing frequencies and their harmonics depending on operational requirements for flyovers. Temporal variations in noise are incorporated by modulation effects in both amplitude and frequency to reproduce unsteadiness of flight operations. The synthesised source in the frequency domain is then processed using an atmospheric propagation model, rendering the sound of a moving quadcopter along a defined flight path. This approach was applied to auralise overflight signals and compare them with measured overflights, using a range of acoustic and sound quality metrics for a comprehensive assessment. This methodology provides a tool for generating sound signals representative of the operations of unmanned aircraft systems, capturing changes in sound that reflect psychoacoustic effects. This research contributes to the development of sound simulation techniques that can be used on noise impact assessments and community noise management strategies.
Presentation Conference Type | Conference Paper (published) |
---|---|
Conference Name | 30th AIAA/CEAS Aeroacoustics Conference (2024) |
Start Date | Jun 4, 2024 |
End Date | Jun 7, 2024 |
Acceptance Date | May 30, 2024 |
Online Publication Date | May 30, 2024 |
Publication Date | Jun 4, 2024 |
Deposit Date | Jun 11, 2024 |
Publisher | American Institute of Aeronautics and Astronautics |
Chapter Number | Session: Urban Air Mobility/Unmanned Air Vehicle and Electric Aircraft Generation II |
DOI | https://doi.org/10.2514/6.2024-3272 |
Keywords | Synthesis, Auralisation, Quadcopter, Psychoacoustic Assessment |
Advances in the Measurement and Human Response to Noise of Unmanned Aircraft Systems
(2023)
Journal Article
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