Soundscape assessment of a monumental place: A methodology based on the perception of dominant sounds

Pérez-Martínez, Germán; Torija, Antonio J.; Ruíz, Diego P.

doi:10.1016/j.landurbplan.2017.07.022

Cited by 75 publications

(35 citation statements)

References 40 publications

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“…LAeq is approximately linear in the sound level range between 50 dBA and 75 dBA, the difference between two curves at the 65 dBA reach about 2 units, yielding a difference of 6 dB equivalent. This suggests that the participants' responses on perceived annoyance are highly influenced by acoustics factors, other than sound level, particularly characteristic of small quadcopter noise (Cabell et al, 2016;Christian and Cabell, 2017;Torija et al, 2019b;Zawodny et al, 2016), or non-acoustics factors such as visual scene (Jiang and Kang, 2016;Jiang and Kang, 2017;Schäffer et al, 2019;Szychowska et al, 2018) and expectation (Bruce and Davies, 2014;Perez-Martinez et al, 2018). Fig.…”

Section: Relationship Between Laeq and Subjective Ratings For Urban Smentioning

confidence: 98%

Effects of a hovering unmanned aerial vehicle on urban soundscapes perception

Torija

Self

2020

Transportation Research Part D: Transport and Environment

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Several industry leaders and governmental agencies are currently investigating the use of Unmanned Aerial Vehicles (UAVs), or 'drones' as commonly known, for an ever-growing number of applications from blue light services to parcel delivery. For the specific case of the delivery sector, drones can alleviate road space usage and also lead to reductions in CO2 and air pollution emissions, compared to traditional diesel-powered vehicles. However, due to their unconventional acoustic characteristics and operational manoeuvres, it is uncertain how communities will respond to drone operations. Noise has been suggested as a major barrier to public acceptance of drone operations in urban areas. In this paper, a series of audio-visual scenarios were created to investigate the effects of drone noise on the reported loudness, annoyance and pleasantness of seven different types of urban soundscapes. In soundscapes highly impacted by road traffic noise, the presence of drone noise lead to small changes in the perceived loudness, annoyance and pleasantness. In soundscapes with reduced road traffic noise, the participants reported a significantly higher perceived loudness and annoyance and a lower pleasantness with the presence of the same drone noise. For instance, the reported annoyance increased from 2.3±0.8 (without drone noise) to 6.8±0.3 (with drone noise), in an 11-point scale (0-not at all, 10-extremely). Based on these results, the concentration of drone operations along flight paths through busy roads might aid in the mitigation of the overall community noise impact caused by drones.

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Section: Relationship Between Laeq and Subjective Ratings For Urban Smentioning

confidence: 98%

Effects of a hovering unmanned aerial vehicle on urban soundscapes perception

Torija

Self

2020

Transportation Research Part D: Transport and Environment

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“…Based on correlation studies, it is known that the most critical dimensions in the emotional assessment of perception are arousal and pleasure, and affective significance is usually revealed in the use of emotional terms for individual elements of the environment by people [30]. Perez-Martinez and Torija [43] confirmed in their article the hypothesis of the study that regardless of the complexity of sound sources that make up a given acoustic environment, the perceived quality of the soundscape is driven primarily by the subjective assessment of dominant sounds.…”

Section: Surveys: Fuzzy Analysismentioning

confidence: 99%

Noise as a Factor of Green Areas Soundscape Creation

et al. 2020

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The article’s research subject concerns soundscape acoustic perception and human perception. The article aims to support decision-making processes, based on the subjective assessment of green areas by visitors, allowing modeling of planning strategies in urban green areas. This would allow creating a friendly soundscape and managing it sustainably. The need to create a musical landscape can contribute to finding a new function and attractive form for the studied areas now and in the future. Research carried out for selected city parks in Bydgoszcz (Poland) took into consideration people’s responses in assessing the soundscape. Surveys conducted in selected parks provided information on noise sources and how consumers perceive noise during their stay in the park. A question about feeling described the reception of sound sources’ intensity by respondents (level of feeling: low, medium, high, and very high). The completed studies allow to “translate” subjective sound level responses to the numerical values of the correlation using fuzzy cognitive maps. The implemented scenarios show the possibility of using tools supporting the decision-making process in urban planning, taking into account existing acoustic conditions.

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“…The relative impact of sound sources is however more complex: the positive effect of voices can be for instance annihilated when voices are too numerous or misfit the context (12). Interactions between sources are also of importance, as shown in (13) between road traffic and industrial noise, or between natural sound sources and road traffic noise (14)(15)(16)(17).…”

Section: Introductionmentioning

confidence: 99%