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DTSTART;TZID=Europe/Berlin:20230905T110000
DTEND;TZID=Europe/Berlin:20230905T113000
DTSTAMP:20260425T210610
CREATED:20230828T135243Z
LAST-MODIFIED:20230828T135243Z
UID:2730-1693911600-1693913400@blog.rwth-aachen.de
SUMMARY:Ribas Durán: A Statistical Complexity Reduction to Assess Audiovisual Perception in Urban Environments
DESCRIPTION:Many public authorities strive for creating more livable cities in future. To better understand what parameters need to be optimized to achieve this\, it is necessary to study how humans perceive urban spaces. A proposed technique to compare different environments is the Individual Vocabulary Profiling (IVP). This study investigates how people evaluate an urban environment auditorily and visually by means of IVP. The IVP method delivers descriptive attributes and individual preference ratings. It showcases the residential area “Driescher Hof” in Aachen\, which has been presented by eight video sequences in an online experiment.  Four sequences have been captured at a marketplace\, four in a park. Although geographically close\, these scenes offer a multitude of influencing factors which are expected to provide different perceptual dimensions. The thesis aims to answer the following questions: \n\nWhich environments are similarly perceived?\nAre some attributes related to one another? In that case\, which are the ones that have a similar meaning or refer to the same characteristic?\nWhich attributes explain the perception of each environment?\n\nThe exploration of the questions employs three methodologies: \n\nIndividual Vocabulary Profiling (IVP).\nMultiple Factor Analysis (MFA) to reduce the dimensionality of the raw data and to find the most relevant factors that drive human perception in urban environments.\nAgglomerative Hierarchical Clustering (AHC) in order to investigate the relationship between attributes and the urban stimuli under investigation.\n\nThe results provide an idea on which environments are similarly perceived and explained. The main attributes used that describe the spaces are ‘Loudness’\, ‘Annoying’\, ‘Broad’\, ‘Tranquil’ and ‘Urban’. Some characteristics are closely related and give a description of similar places such as ‘Tranquil’ and ‘Broad’ for the park scenes. However\, some drawbacks of the method could be observed. One park scene is defined as ‘Loud’\, contrary to the others. When analyzing the case\, it could be seen that a specific park location had a continuous drilling noise due to building work and that led to different results\, which is considered as an unusual one-time event that leads to noise in the data. \nMelden Sie sich hier an um Einladungen zu den Kolloquium-Vorträgen per E-Mail zu erhalten.\nRegister here to receive the invitations to colloquium talks via e-mail. \nZoom-Meeting-ID: 954 4073 3814\nPasswort: 450783
URL:https://blog.rwth-aachen.de/akustik/event/ribas-duran-a-statistical-complexity-reduction-to-assess-audiovisual-perception-in-urban-environments/
LOCATION:IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid)\, Kopernikusstr. 5\, Aachen\, 52074\, Deutschland
CATEGORIES:Verteidigung Bachelorarbeit
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DTSTART;TZID=Europe/Berlin:20230905T113000
DTEND;TZID=Europe/Berlin:20230905T120000
DTSTAMP:20260425T210610
CREATED:20230828T135624Z
LAST-MODIFIED:20230828T135624Z
UID:2732-1693913400-1693915200@blog.rwth-aachen.de
SUMMARY:Schröder: Parameterstudie zur Laufzeit von Virtual Acoustics
DESCRIPTION:Die Berechnungszeit eines Audioblocks ist für Echtzeit-Auralisationen von entschei- dender Bedeutung\, da sie die realisierbare Latenz nach unten begrenzt. Diese Arbeit untersucht die Auswirkung verschiedener Konfigurationsparameter auf die Laufzeit der Echtzeit-Auralisations-Software Virtual Acoustics (VA). Dazu werden theoretisch fun- dierte Tests implementiert\, die die Laufzeitänderung durch Variation von Parametern und Szenekonfigurationen messen. Die gemessenen und erwarteten Laufzeiten werden verglichen\, etwaige Abweichungen werden diskutiert und mögliche Ursachen postuliert. Abschließend wird eine Heuristik zur Laufzeitabschätzung entwickelt. \nEnglish abstract: Parameter study of Virtual Acoustics run-time \n(The talk will be given in German.)\n \nThe computation run-time of an audio block is crucial for real-time auralizations\, as it constrains the achievable latency to a lower threshold. This study examines the impact of various configuration parameters on the run-time of the real-time auralization software VA. To accomplish this\, theoretically founded tests are implemented\, which measure the run-time modifications through variations of parameter and scene configuration. The measured and anticipated run-times are compared\, deviations discussed\, and potential causes postulated. Finally\, a heuristic for runtime estimation is developed. \nMelden Sie sich hier an um Einladungen zu den Kolloquium-Vorträgen per E-Mail zu erhalten.\nRegister here to receive the invitations to colloquium talks via e-mail. \nZoom-Meeting-ID: 954 4073 3814\nPasswort: 450783
URL:https://blog.rwth-aachen.de/akustik/event/schroeder-parameterstudie-zur-laufzeit-von-virtual-acoustics/
LOCATION:IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid)\, Kopernikusstr. 5\, Aachen\, 52074\, Deutschland
CATEGORIES:Verteidigung Bachelorarbeit
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