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X-WR-CALDESC:Veranstaltungen für Akustik-Blog
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20210813T110000
DTEND;TZID=Europe/Berlin:20210813T120000
DTSTAMP:20260425T183859
CREATED:20210705T153106Z
LAST-MODIFIED:20210807T110700Z
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SUMMARY:Sanjaya: Examining the effect of HRTF magnitude and phase on sound coloration
DESCRIPTION:In virtual audio\, sound sources need to be modeled as realistically as possible to achieve a sense of immersion in the scene. The human auditory system performs an analysis of sound\, which enables the extraction of different information to recognize and localize sound sources. There are various aspects known to result in the differences of sound perception of the listener. Different loudness levels and source locations are two of the reasons why the difference in the perception of sound occurs. However\, some cases suggest that sound can still be perceived as “different” even with identical loudness and incidence direction. One example of this phenomenon can be experienced in music\, as the sound of a guitar can be differentiated with the sound of a violin even when the same tone is played on both instruments with the same loudness level and when the instruments are positioned at the same location relative to the listener. This phenomenon is summed up by the term “sound coloration” or “timbre” which describes different sound characteristics\, such as harmonicity\, sharpness and roughness\, which can’t be described using the sound descriptors of loudness and sound incidence location. Many attempts have been made to represent audio signals in a way that timbral descriptors can be extracted from them\, but most have only been focusing on music applications and furthermore restricted to magnitude information. This thesis examines the perception of timbre in the context of the head-related transfer function (HRTF). Pre-existing metrics from literature are implemented in this thesis and also new metrics with assumed perceptual relevance are developed with the goal of presenting a quantitative difference scale in coloration. Relevant conclusions for the paradigm design of listening experiments are drawn. \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: 942 9566 5525\nPasswort: 247337
URL:https://blog.rwth-aachen.de/akustik/event/sanjaya-hrtf-and-sound-coloration/
LOCATION:Zoom-Meeting
CATEGORIES:Verteidigung Masterarbeit
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20210827T110000
DTEND;TZID=Europe/Berlin:20210827T113000
DTSTAMP:20260425T183859
CREATED:20210722T110458Z
LAST-MODIFIED:20210822T093633Z
UID:1629-1630062000-1630063800@blog.rwth-aachen.de
SUMMARY:Ibe: Measurement of Structure-Borne Sound Excitation by Headphones
DESCRIPTION:Bone conduction has a big impact on the perception of the human being. Even though headphones are used by a billion of people around the world\, it was yet not analyzed if the headphones excite structure-borne sound. Structure-borne sound they could cause bone conduction or cartilage conduction and interfere with the perception of the user. This thesis aims to take first steps in the characterization of the stimulated vibrations of headphones. An Laser Doppler vibrometry is used to measure the velocity on a headphone attached to an artificial ear on an acoustic test fixture.\nAdditionally\, the acoustic test fixture is also used to measure the sound pressure level. The laser is targeted on the headphones from different directions and angles\, to get a three-dimensional impression of the motion. By measuring the sound pressure and the velocity of the headphone parallelly\, the stimulated vibration is getting analyzed in a three-dimensional and in an energetic point of view. Based on the measurement results\, the excitation and the vibration’s dependence on the boundary conditions will be discussed. \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: 932 2771 2278\nPasswort: 767129
URL:https://blog.rwth-aachen.de/akustik/event/ibe-measurement-of-structure-borne-sound-excitation-by-headphones/
LOCATION:Zoom-Meeting
CATEGORIES:Verteidigung Bachelorarbeit
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DTSTART;TZID=Europe/Berlin:20210827T113000
DTEND;TZID=Europe/Berlin:20210827T120000
DTSTAMP:20260425T183859
CREATED:20210819T115028Z
LAST-MODIFIED:20210822T093811Z
UID:1655-1630063800-1630065600@blog.rwth-aachen.de
SUMMARY:Chen: Internship with Huawei Deutschland
DESCRIPTION:From October 2019 to March 2020\, I worked as an intern at Device Vodafone GTM Department in Düsseldorf Huawei. Huawei Technologies Co.\, Ltd.\, whose headquarter is located in Shen Zhen China\, is a multinational tech-communication company that provides telecommunications equipment and sales of consumer electronics products including smartphones. My responsibilities are mainly as a Test Engineer\, cooperating with Chinese R&D team as well as with Vodafone Lab to solve the live testing related issues. I also support on in market device lifestyle maintenance\, including test presentation and status reporting. \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: 932 2771 2278\nPasswort: 767129
URL:https://blog.rwth-aachen.de/akustik/event/chen-internship-with-huawei-deutschland/
LOCATION:Zoom-Meeting
CATEGORIES:Vortrag Praxissemester
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