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September 2021
Liu: Transfer path analysis in Ultrasonic Metal Welding based on experimental data and simulations
Ultrasonic metal welding (USMW) is a kind of solid-state bonding technique for connecting similar or dissimilar metals using extremely fast frequency oscillations (ultrasonic frequencies). However, some details of vibration during the USMW are still unclear in this study field. In this work, 27 groups of measurements on the oscillation of the sonotrode and anvil vibrations along the direction of USMW between two copper layer sheets have been recorded by LaserDoppler vibrometers (LDV). Based on the recorded data sets, the ratio…
Erfahren Sie mehr »Oktober 2021
Chatterjee: The neuroaesthetics of architectural spaces
Anjan Chatterjee Penn Center of Neuraesthetics University of Pennsylvania People 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…
Erfahren Sie mehr »Chen: Incident-angle dependent measurement of sound scattering patterns
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. Melden…
Erfahren Sie mehr »Hahn: Dynamic synthesis of passenger car pass-by sounds
TBA Melden Sie sich hier an um die Einladung zu dem Vortrag per E-Mail zu erhalten. Register here to receive the invitation to this talk via E-Mail. Zoom-Meeting-ID: TBA Passwort: TBA
Erfahren Sie mehr »November 2021
Pausch: Spatial audio reproduction for hearing aid research: System design, evaluation and application
Hearing loss (HL) has multifaceted negative consequences for individuals of all age groups. Despite individual fitting based on clinical assessment, consequent usage of hearing aids (HAs) as a remedy is often discouraged due to unsatisfactory HA performance. Consequently, the procedural complexity in HA algorithm development has been increased by employing virtual acoustic environments, allowing simulation of indoor scenarios with plausible room acoustics. Inspired by the research question of how to make virtual acoustic environments accessible for HA users while maintaining complete signal control, novel…
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