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- W1966491787 abstract "Noise generation by helicopters has been studied extensively as has auditory perception of helicopter noise—both in terms of detection and identification and in terms of annoyance. Recent work [Hoglund et al., J. Acoust. Soc. Am. 128, 164–171 (2010)] has identified the importance of accounting for the specific soundscape when modeling detection performance, suggesting that empirically derived signal-specific detection thresholds must be further adapted to account for differences between real-world ambient environments. Beaches and other coastal environments are an interesting case study for evaluating real-world performance of detection and identification models. In addition to a presenting an unusual and highly dynamic propagation environment for helicopter noise, the natural soundscape resulting from wind and breaking waves has unique spectral and temporal properties that influence how it masks the acoustic signature of helicopters. Here, measurements of a helicopter operating in a beach environment are compared with theoretical and empirical models including models of airborne noise from breaking waves [Bolin and Åbom, J. Acoust. Soc. Am. 127, 2771–2779 (2010)]. Detection and identification performance are compared with predictions of models for rotorcraft noise—developed in other ambient environments—and models for wind-turbine noise—developed for similar coastal environments." @default.
- W1966491787 created "2016-06-24" @default.
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- W1966491787 date "2014-04-01" @default.
- W1966491787 modified "2023-10-17" @default.
- W1966491787 title "Detection and identification of helicopter noise in beach environments" @default.
- W1966491787 doi "https://doi.org/10.1121/1.4877964" @default.
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