Healthy test person
Conditions
Interventions
Group 1: Subjects are asked to assess the noise level of drones by means of computer-assisted questionnaires.
Sponsors
DLR Deutsches Zentrum für Luft- und Raumfahrt
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: - at least 18 years old - male, female or diverse - normal hearing according to age - presence of the signed declaration of consent - sufficient knowledge of the German language - recovered from COVID-19 or fully vaccinated (2G rule) - willingness to wear a FFP2 mask during the whole experiment
Exclusion criteria
Exclusion criteria: - Hearing loss in the audiogram: i.e., hearing thresholds in the better ear are higher than the 10th percentile of the gender- and age-specific hearing thresholds in ISO 7029 (2017). - Wearing a hearing aid - Hearing disorders (tinnitus, hearing loss within the last 10 years) - any other condition which, in the opinion of the physicians performing the test, makes the subject unsuitable for the test - any medication with influence on the test parameters or consumption of stimulants and drugs with influence on the examination parameters, e.g. drug consumption, increased alcohol consumption and nicotine consumption, which does not allow at least 10 hours of abstinence - not legally competent, as well as limited legally competent persons - not able to speak the German language - persons not immunized against COVID-19 (i.e. not vaccinated or recovered) - presence of a positive COVID-19 self-test - intolerance of the FFP2 mask or unwillingness to wear a FFP2 mask during the entire trial to wear a FFP2 mask during the entire experiment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The key outcome measure according to the primary hypothesis is the probability of being acutely highly annoyed (%HA) by LAeq from drones in hover. | — |
Secondary
| Measure | Time frame |
|---|---|
| Due to the different noise generation of a drone during overflight, the likelihood of being acutely highly annoyed by drone overflights is also investigated by the SEL. Since the acceptance and pleasantness of noise was recorded in most of the laboratory studies, these psychological target variables should also be recorded here in order to ensure comparability of the results. be recorded to ensure comparability of results. Therefore, the Probability of acceptance and pleasantness due to increasing LAeq of drones in hover phases and by the increasing SEL of drone overflights will be determined. In addition, the influence of drone type, operating altitude as well as speed (only for overflights) on the subjective perceptions (annoyance, acceptance and pleasantness) will be exploratively investigated. | — |
Countries
Germany
Contacts
Public ContactSusanne Bartels
DLR Deutsches Zentrum für Luft- und Raumfahrt
Outcome results
None listed