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Akustik-Blog

Veranstaltungen Suche und Ansichten, Navigation

Veranstaltung Ansichten-Navigation

Heute

Denker: Spatially Dynamic Irrelevant Noise in a Navigation Task

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

The working memory plays an important role in completing everyday tasks and is influenced by irrelevant sound when it comes to serialization of information. While this phenomenon, the irrelevant sound effect, is well known for phonological cognition, the influence and constraints for visuo-spatial cognition are yet to be fully explored. To serve this endeavor and […]

Hapsari: Comparison of acoustic radiosity and diffuse rain algorithms

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

The acoustic propagation of sound in the free field or indoors can be calculated efficiently and in high quality by geometrical acoustics simulation methods. However, different geometrical approaches such as ray tracing and radiosity use different approaches to simulate an acoustic environment. In this thesis, the quality and the performance of these different approaches are […]

Las Heras: Room Acoustic Auditory Memory

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

This study conforms an investigation on auditory memory, particularly in the field of room acoustics. Based on the research on short term memory, especially in the auditory field, this work intends to test individuals' room acoustics discrimination capabilities under different conditions; in particular, retention interval, excitation signal and room similarity. Using binaural auralizations of spatial […]

Tillmann: The influence of realistic audiovisual noise on auditory selective attention

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

Research in the field of auditory selective attention continues to evolve, with an increasing interest in creating more realistic testing conditions. Therefore, a previously validated paradigm for investigating auditory selective attention had been extended with spatial auditory reproduction and realistic noise conditions. Building on recent endeavors in exploring the usability of immersive virtual reality in […]

Storms: How does an audiovisual incongruency influence the perception of classrooms in virtual reality?

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

Room perception has different perception levels and influences which can have an impact on the perception. The rooms can be estimated uni-modal and multi-modal. In this thesis, the influence of an incongruency of audiovisual cues in different classroom scenarios is examined. For that, a listening experiment was designed and conducted with 18 normal-hearing and normal-seeing […]

Braun: Comparing different spatial audio reproduction methods regarding sound localization performance with and without simulated hearing loss

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

Hearing loss is a prevalent issue that impairs the quality of life of those affected. Simulating this condition allows for further investigation of its perceptual aspects and improvement of existing hearing models. This study examines the effects of simulated sensorineural hearing loss on the ability to localize sound, a crucial aspect of auditory perception. Using […]

Castro: Auralization Techniques for Moving Listeners in Coupled Space

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

Acoustic virtual reality (AVR) is a helpful tool that it is being used for different purposes. In architecture the use of AVR has been very advantageous for room acoustic simulation in different environments. In this work, the potential to simulate walking paths across connected rooms using AVR is analyzed, this research considers Johannes church in […]

Yuan: Optimizing Mobile Device Quality through Pre-Market Testing – Industrial Internship

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

This presentation is about the internship experience at Dejet GmbH, working as a test engineer intern. Dejet GmbH is a communications technology company that specializes in testing devices for major Chinese mobile brands like Xiaomi, Oppo, Vivo, and Lenovo. The internship included participation in various projects, such as testing 4G and 5G environments, identifying and […]

Abi Raad: Real-time monitoring of ultrasonic metal welding using horn and anvil vibrations and sound measurements

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

Ultrasonic metal welding (USMW) is a solid-state joining process used in various industries such as the automotive or electronics industries for its energy efficiency and other advantages. Despite its widespread use, it currently suffers from unexplained fluctuations in the weld strength, and there is a need for a robust and reliable real-time online monitoring process. […]

Shang: Improvements in the Offset Visualization Toolbox for Hearing Aid at WS Audiology

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

This internship focused on the crucial role of sound localization in daily life and how hearing aids can distort this ability by altering binaural cues. During the internship with the R&D department at WS Audiology in Erlangen, several enhancements were made to the Offset Visualization Toolbox, a toolbox designed to illustrate and analyze these distortions. […]

Ye: Internship on engine development and testing

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

This Internship is dedicated to delving into the study of ray tracing and curve-surface rendering techniques to enhance the delicacy and realism of rendering effects. Simultaneously,provided the opportunity to learn the development of particle systems, constant optimization of the effects and efficiency of particle rendering, aiming to bolster the authenticity of dynamic scenes through more […]

Lee: Spatial release from masking with and without simulated hearing loss – Comparison of different spatial audio reproduction methods

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

Hearing loss, particularly prevalent among the elderly population, significantly impairs speech comprehension, especially in noisy environments. To address these challenges, hearing loss simulation offers an effective means of investigating the perceptual consequences of sensorineural hearing loss, particularly its impact on Spatial Release from Masking (SRM). This study aims to explore how varying degrees of simulated […]

Roos: Design and Development of Electronics for Space Robotic Hardware Testing

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

This internship centered on the board design and software development of electronic systems for testing robotics developed at Redwire Space Europe. Hardware developed for space applications has strict requirements due to its high cost and the inability to perform repairs in space. Incomplete or faulty on-ground testing has been shown to significantly increase project risks, […]

Drozdov: Lokalisierungsverhalten individualisierter HRTFs und wie man es vorhersagen kann

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

Die individuelle head-related transfer function (HRTF) ist essenziell für die räumliche Audiowiedergabe. Die individuelle Messung der HRTF ist aufwendig, deshalb liegt eine breite Auswahl an Schätzverfahren vor. Diese können ohne Hörversuch jedoch nicht eindeutig hinsichtlich ihrer Qualität bewertet werden. Zur Einordnung von acht HRTF-Schätzverfahren hinsichtlich der Lokalisierungsgenauigkeit wurde deshalb in Vorarbeit ein Hörexperiment durchgeführt. Im […]

Li: Parameter validation of the image edge model using numerical simulations

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

Noise is very common in real life, an efficient acoustic propagation model also helps in noise control. Sound propagation changes with environmental factors, which can be complex in real life. COMSOL simulations, using finite or boundary element methods, are widely validated for replicating real-world conditions. The Image Edge Model (IEM), based on the Uniform Theory […]

Struck: Simulated Free Field Measurements

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

Time selective techniques that enable measurements of the free field response of a loudspeaker to be performed without the need for an anechoic chamber are presented. The low frequency resolution dependent room size limitations of both time selective measurements and anechoic chambers are discussed. Techniques combining signal processing and appropriate test methods are presented enabling […]

Schäfer: Real-time auralization of aircraft noise considering curved sound propagation

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

Aircraft are one of the major noise sources affecting residents close to airports. Classical metrics for noise assessment are usually derived from energy-based quantities, such as known from noise maps. Thus, they only consider human perception in a very basic manner. To investigate the impact of aircraft noise in a more accurate way, it is […]

Kohnen: Combining Reproduction Techniques for Room Auralizations

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

Spatial auditory information allows humans to separate sources from each other. Furthermore, source localisation can steer the focus towards events that are not in sight. 3D sound is hence an important feature of human hearing. To investigate the particular effects of sound perception, a controlled reproduction of spatial sound is needed in order to recreate […]

Klein: Vergleich der Doppelbeugung in Simulation und Messung

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

In dieser Arbeit wurde das Image Edge Modell anhand von Messungen im Halbraum in Bezug auf Beugungen höherer Ordnung validiert, damit es in Zukunft für die Simulation der Doppelbeugung in urbanen Szenarien angewendet werden kann. Es ist ein geometrisches Simulationsverfahren in der Akustik, das bisher mit einer einfachen Beugung überprüft wurde. Im Gegensatz zur Messung […]

Ke: Feedback Delay Networks and Room Reverberation Enhancement

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

This presentation covers the internship in the field of audio signal processing at Huawei’s Munich Research Center. Huawei Technologies is a leading global provider of communication technology infrastructure and smart devices. The audiovisual department in Munich is responsible for advanced media technology research, with a particular focus on the standardization of media codecs and 3D […]