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  • He: Influence of (non) intelligible background noise on short-term memory and listening effort in conversational situations with running speech

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    Background noise poses a significant challenge in daily conversations, impacting short-term memory and listening effort. Existing studies often lack a realistic comparison between different types of background noise, particularly between intelligible and unintelligible noise. In German-speaking contexts, intelligible noise typically refers to recognizable German speech, while unintelligible noise includes traffic sounds, foreign languages, or non-semantic […]

  • Ke: Distraction due to moving sources in short-term memory tasks

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    The irrelevant sound effect (ISE) is a popular topic in cognitive psychology, referring to the phenomenon where hearing sounds unrelated to a memory task disrupts recall during task performance. Research on the ISE can deepen understanding of the human brain's information processing mechanisms, thereby making contributions to advancements in the medical field while also providing […]

  • Roos: Influence of Ground Effects in Road Traffic Auralization

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    It is broadly recognized that noise pollution is widespread, especially in urban areas, and can cause long-term psychological effects and health issues. Road traffic noise is a major contributor to noise pollution in residential areas and affects the well-being of a significant number of people. Auralization, the process of making acoustic environments virtually audible through […]

  • Sinarso: The Impact of Socio-Economic Background on Children’s Speech Perception and Listening Effort

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    It is frequently reported that children from different socioeconomic backgrounds perform differently in school. However, the factors mediating the relationship between socioeconomic status (SES) and cognitive outcomes remain an ongoing topic of research. This study investigates the extent to which SES inequalities influence speech perception and listening effort, two aspects that could be at the […]

  • Denker: Industrial internship at Demant A/S

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    Content of this presentation is a summary of my tasks and projects I contributed to during my six-months internship in the Centre for Applied Audiology Research (CAAR) for the Oticon brand at Demant A/S in Smørum, Denmark. Generally, there are two kinds of projects the CAAR-Team is occupied with. Firstly, the delivery of reliable and […]

  • Westphal: Untersuchung von Höranstrengung bei Kindern in realitätsnahen Hörsituationen

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    Kinder sind fast täglich mit komplexen akustischen Hörsituationen konfrontiert, wie z. B. im Kindergarten oder in der Schule. Ein aufstrebendes Forschungsgebiet beschäftigt sich mit der Frage, wie anstrengend das Hören für Kinder in solchen Situationen ist, und wie diese Höranstrengung am besten gemessen werden kann. In dieser Studie wurde ein Response Time Paradigma mit einer […]

  • Yuan: Plausible Road Traffic Auralization

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    This research focuses on simulating road traffic soundscapes using auralization techniques. A structured workflow for urban traffic auralization is developed by integrating SUMO traffic flow data with acoustic simulation tools such as RAVEN and Pigeon. To generate plausible traffic simulations, a custom script is implemented to produce representative vehicle trajectories. Additionally, parameters such as crossfading […]

  • Doma: Numerical and Perceptual Evaluation of HRTF Accuracy

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    Head-related transfer functions (HRTFs) describe the interaction between the listener’s body and incident sound waves, as they travel from an arbitrary source position to the left and right ear canal entrances. By reproducing spatial cue information for various directions, a multi-dimensional HRTF data set allows for synthesizing virtual sound sources, i.e., artificially creating the impression […]

  • Berzborn: Measurement and Quantification of Directional Sound Field Decay

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    The random-incidence absorption coefficient is measured in a reverberation room as per ISO354:2003 (2003), assuming a diffuse and isotropic sound field. However, reproducibility issues across different laboratories suggest that the assumption of isotropy does not hold in practice. This dissertation presents a novel experimental method for capturing and analyzing the directional characteristics of energy decay […]

  • Loh: Noise Exposure in Pre- and Primary Schools – Exploring Noise Effects on Young Children

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    As the awareness of health effects caused by noise has grown in recent years, so has the importance of studying noise in educational buildings. This dissertation focuses specifically on the impact of noise on young children in educational buildings from a children's perspective, a topic that has not been extensively explored. Previous research indicated that […]

  • Semmler: Industriepraktikum bei der Kollmorgen Steuerungstechnik GmbH

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    In diesem Vortag wird ein 18-wöchiges Praktikum in der Hardwareentwicklung der Kollmorgen Steuerungstechnik GmbH vorgestellt. Kollmorgen entwickelt und produziert die Steuerungselektronik für Aufzugsanlagen. In einem 20min Vortrag werden folgende Themen vorgestellt: - Motivation für ein Praktikum bei Kollmorgen - Die Aufzug-Branche und die Rolle von Steuerungsherstellern darin - Ablauf des Praktikums - Die Arbeit als […]

  • Berger: Industrial internship at WS Audiology

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    In my internship, I investigated the intelligibility of speech in noise for hearing aid wearers. As communication takes place on a daily basis, good understanding of conversation partners, especially in a noisy environment, is crucial for everyday social life. During the internship with the R&D Sound and Audiology department at WS Audiology in Erlangen, I […]

  • Rummler: Comparison of Measured and Simulated Impulse Responses of a Concert Hall Using the Loudspeaker Orchestra

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    The RAVEN room acoustic software was benchmarked against measurements of the loudspeaker orchestra conducted by Pätynen et al. in the Gasteig concert hall, Munich. The specific source arrangement used in the study plays a crucial role, as it diversifies the direct and reflected sound paths, significantly altering the perception compared to a single omnidirectional room […]

  • Zhou: Effects of Different Maskers on the Preference of Heat Pump Noise

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    With the increasing usage of heat pumps in residential areas, their noise emissions have become a growing concern. One potential solution is masking, where additional sounds modify the perception of unwanted noise. This study investigated the effects of different types of maskers (pink noise, high-pass filtered pink noise, and water sound) and masker locations on […]

  • Shang: The Influence of Tonality on Preference-Equivalent Level for Heat Pump Noise

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    This study investigates how tonality influences the perceived annoyance of heat pump noise. Heat pumps produce noise mainly from fans and compressors. These noises often contain prominent tonal components that can make them particularly disturbing. In this work, four fundamental heat pump noise samples were divided into three frequency bands, and their tonal features were […]

  • Neubert: Unsicherheiten bei der Messung des Schallabsorptionsgrades mit dem Impedanzrohr

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    Im Rahmen dieser Bachelorarbeit wurde ein Messprogramm zur Bestimmung des Schallabsorptionsgrades, basierend auf der Berechnungsmethode gemäß DIN EN ISO 10534-2 entwickelt. Das Verfahren wurde erweitert, um ohne Mikrofonkorrekturen den Messbereich eines Impedanzrohres mit mehreren Mikrofonen pro Ebene zu vergrößern. Die Validierung erfolgte durch Vergleiche mit einem Referenzprogramm sowie durch Vergleichsmessungen. Zudem wurde eine Messunsicherheitsanalyse durchgeführt, […]

  • Döhler: Psychoakustische Charakterisierung von Straßenverkehrsgeräuschen

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    Im Rahmen dieser Arbeit wurde der Einfluss städtischer Bebauungskonfigurationen auf die Wahrnehmung von Reifen-Fahrbahn-Geräuschen anhand psychoakustischer Parameter analysiert. Ein besonderer Fokus lag dabei auf den Parametern Lautheit, Schärfe und Rauigkeit. Dazu wurden in SketchUp urbane Straßenszenarien mit variierender Straßenschluchtbreite, Bebauungsdichte, Bebauungsart (ein- vs. beidseitig) und Empfängerhöhe modelliert und mittels RAVEN simuliert. Die simulierten Vorbeifahrtsgeräusche wurden […]

  • Kuiper: Measurement of acoustic surface properties

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    This work investigates the acoustic surface properties of various ground materials, aiming to improve the accuracy of acoustic models in environments where ground reflections significantly influence sound propagation. A series of controlled measurements in a hemi-anechoic chamber is used to determine both acoustic impedance and the scattering coefficient. The experimental setup involves angled sound incidence […]

  • Heinrichs: Industriepraktikum in der Engineering Services Abteilung der HEAD acoustics GmbH

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    In diesem Vortrag wird ein 6-monatiges Industriepraktikum in der Engineering Services Abteilung der HEAD acoustics GmbH vorgestellt. Während des Praktikums wurde eine Vielzahl an Projekten in den Themengebieten Active Sound Design (ASD), Psychoakustik und allgemeine akustische Messungen im Auftrag von Kunden oder für die firmeneigene Entwicklung bearbeitet, von denen die relevantesten präsentiert werden. Hierzu zählen […]

  • Berger: Comparing measures for assessing listening effort in children

    IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid) Kopernikusstr. 5, Aachen, Deutschland

    It is well known that children are more affected by poor acoustic conditions than adults. However, the concept of listening effort has been the focus of considerable more research in adults than in children, particularly in the context of assessing listening effort with multiple measures. This study employed three measures of listening effort: a word […]