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X-WR-CALDESC:Veranstaltungen für Akustik-Blog
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20211004T150000
DTEND;TZID=Europe/Berlin:20211004T150000
DTSTAMP:20260426T075807
CREATED:20210507T085844Z
LAST-MODIFIED:20220309T073946Z
UID:1316-1633359600-1633359600@blog.rwth-aachen.de
SUMMARY:Chatterjee: The neuroaesthetics of architectural spaces
DESCRIPTION:Anjan Chatterjee\nPenn Center of Neuraesthetics\nUniversity of Pennsylvania \nZoom-Meeting-ID: 967 2780 6048\nPassword: 747785 \nDirect link: https://rwth.zoom.us/j/96727806048?pwd=MjlOT1YrNk1ZUGZWTEV3ZU1BS0VGUT09 \nPeople in developed countries spend over 90% of their time in built environments. Yet\, we know little about its pervasive and often hidden effects on our mental state and our brain. Despite growing interest in the neuroscience of architecture\, much of this scholarship has been descriptive. The typical strategy is to map knowledge of the brain onto constructs important to architecture. For a programmatic line of research\, how might we transform descriptive neuroarchitecture into an experimental science? I will describe our efforts to do exactly that. We hypothesized aesthetic responses to architectural interiors reduce to key psychological dimensions and that these psychological dimensions evoke specific neural markers. Using Psychometric Network Analysis (PNA) and Principal Components Analysis (PCA) and responses to curated images\, we identified three components: coherence (ease of organizing and comprehending a scene)\, fascination (informational richness and generated interest)\, and hominess (personal ease and comfort). Coherence and fascination are well-established dimensions for natural scenes. Hominess was a new dimension related to architectural interiors. Central to all three communities in the PNA was emotional valence. We also reanalyzed data from an earlier fMRI study in which participants made beauty and approach-avoidance decisions while viewing the same images. Regardless of task\, the degree of fascination covaried with neural activity in the right lingual gyrus. In contrast\, coherence covaried with neural activity in the left inferior occipital gyrus only when participants judged beauty\, and hominess covaried with neural activity in the left cuneus only when they made approach-avoidance decisions. The visual brain harbors hidden sensitivities to architectural interiors that are captured by the dimensions of coherence\, fascination\, and hominess. I will conclude by describing challenges for experimental neuroarchitecture and how we might move forward.
URL:https://blog.rwth-aachen.de/akustik/event/chatterjee-the-neuroaesthetics-of-architectural-spaces/
LOCATION:Zoom-Meeting
CATEGORIES:Vortrag
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DTSTART;TZID=Europe/Berlin:20211015T110000
DTEND;TZID=Europe/Berlin:20211015T120000
DTSTAMP:20260426T075807
CREATED:20210819T140537Z
LAST-MODIFIED:20211010T141021Z
UID:1657-1634295600-1634299200@blog.rwth-aachen.de
SUMMARY:Chen: Incident-angle dependent measurement of sound scattering patterns
DESCRIPTION:The acoustic scattering of surface is very important in all aspects of room acoustics like in concert halls and reverberation rooms. The acoustic propagation of sound can be calculated effectively and in high quality by geometrical simulation methods. Nevertheless\, reliable scattering coefficients are needed. In this master’s thesis\, the uncertainty of standardized measurement methods will be discussed and standard measurements will be conducted. A new measurement setup will be developed to measure the scattering patterns at different incident angles. \nMelden Sie sich hier an um die Einladung zu dem Vortrag per E-Mail zu erhalten.\nRegister here to receive the invitation to this talk via E-Mail. \nZoom-Meeting-ID: 997 4267 1732\nPasswort: 836099
URL:https://blog.rwth-aachen.de/akustik/event/chen-incident-angle-dependent-measurement-of-sound-scattering-patterns/
LOCATION:Zoom-Meeting
CATEGORIES:Verteidigung Masterarbeit
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20211022T110000
DTEND;TZID=Europe/Berlin:20211022T113000
DTSTAMP:20260426T075807
CREATED:20210916T140855Z
LAST-MODIFIED:20211015T160157Z
UID:1691-1634900400-1634902200@blog.rwth-aachen.de
SUMMARY:Hahn: Dynamic synthesis of passenger car pass-by sounds
DESCRIPTION:Progress in the field of computer-based calculation and simulation of sound fields and acoustic propagation effects enable numerous new applications for auralisation\, e.g. design of cities and buildings\, noise reduction and machine learning. In addition to the consideration of audible propagation effects a realistic synthesis of the source signal is essential for the generation of an aural impression that is close to reality. In this thesis a digital synthesizer for the generation of passenger car pass-by sounds is presented\, which has been implemented in C++. The synthesis follows a real-time capable procedural approach based on a physical model of the engine and the exhaust system utilizing digital waveguides. Additionally\, directional properties of the sound emission are modelled using invers filtering of acoustic propagation effects in the recordings of conducted passenger car pass-by measurements. Next to the synthesis of sounds created by processes inside the engine the synthesizer includes a functionality for the generation of tyre noise. This is achieved by filtering white noise in the frequency domain based on the results of the measurements. The synthesized passenger car pass-by sounds are analysed and compared to the spectrum of a real passenger car. Also\, the CPU usage of the synthesizer is evaluated. \nMelden Sie sich hier an um die Einladung zu dem Vortrag per E-Mail zu erhalten.\nRegister here to receive the invitation to this talk via E-Mail. \nZoom-Meeting-ID: 910 0030 1035\nPasswort: 980455
URL:https://blog.rwth-aachen.de/akustik/event/hahn-dynamic-synthesis-of-passenger-car-pass-by-sounds/
LOCATION:Zoom-Meeting
CATEGORIES:Verteidigung Bachelorarbeit
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