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1 Veranstaltung,
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Traffic noise in urban environments constitutes a significant health hazard, creating potential for proactive noise management and auralization as tool for modern urban planning. However, state-of-the-art raybased Geometrical Acoustics (GA) models utilized in current auralization pipelines struggle to predict the sound propagation across grounds featuring varying acoustic properties, known as Impedance Discontinuity (ID). Relying just […] |
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How do we focus on one sound source while ignoring distractions in a noisy environment? This thesis investigates auditory selective attention in a virtual reality classroom, using immersive technology to study listening behavior in settings that resemble everyday life more closely than traditional approaches. An established audio-only attention task was transferred into a VR classroom […] |
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Traffic noise is an important public health issue and factor of annoyance. Auralization enables its perceptual evaluation in virtual environments. In outdoor sound propagation simulations, however, geometric modeling often focuses on large-scale features, while smaller roadside structures are neglected or simplified. For vehicle noise sources located close to the ground, roadside structures of similar height […] |
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Optoacoustic stimulation is an umbrella term describing the generation of mechanical vibrations through optical irradiation and has recently attracted attention as a potential principle for light-driven hearing-aid systems. One specific mechanism underlying this effect is thermoelastic bending, referred to in this work as thermoelastic excitation. While previous studies have mainly investigated simplified artificial membrane models […]
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Die realitätsnahe Simulation der Schallausbreitung in urbanen Umgebungen ist von zentraler Bedeutung für zahlreiche Anwendungsfelder wie Virtual Reality, Lärmkartierung und Auralisation. Eine besondere Herausforderung stellt dabei die Modellierung von Beugungseffekten dar, also der Schallausbreitung um Hindernisse wie städtische Gebäude. Klassische Methoden der geometrischen Akustik wie das Raytracing erfassen diese Effekte nur unzureichend. Erweiterte Verfahren wie […] |
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