TY - JOUR A1 - Steffens, Jochen A1 - Wilczek, Tobias A1 - Weinzierl, Stefan T1 - Junk Food or Haute Cuisine to the Ear? – Investigating the Relationship Between Room Acoustics, Soundscape, Non-Acoustical Factors, and the Perceived Quality of Restaurants JF - Frontiers in Built Environment N2 - Sound and music are well-studied aspects of the quality of experience in restaurants; the role of the room acoustical conditions, their influence on the visitors’ soundscape evaluation and their impact on the overall customer satisfaction in restaurants, however, has received less scientific attention. The present field study therefore investigated whether sound pressure level, reverberation time, and soundscape pleasantness can predict factors associated with overall restaurant quality. In total, 142 persons visiting 12 restaurants in Berlin rated relevant acoustical and non-acoustical factors associated with restaurant quality. Simultaneously, the A-weighted sound pressure level (LA,eq,15) was measured, and the reverberation time in the occupied state (T20,occ) was obtained by measurements performed in the unoccupied room and a subsequent calculation of the occupied condition according to DIN 18041. Results from linear mixed-effects models revealed that both the LA,eq,15 and T20,occ had a significant influence on soundscape pleasantness and eventfulness, whereby the effect of T20,occ was meditated by the LA,eq,15. Also, the LA,eq,15 as well as soundscape pleasantness were significant predictors of overall restaurant quality. A comprehensive structural equation model including both acoustical and non-acoustical factors, however, indicates that the effect of soundscape pleasantness on overall restaurant quality is mediated by the restaurant’s atmosphere. Our results support and extend previous findings which suggest that the acoustical design of restaurants involves a trade-off between comfort and liveliness, depending on the desired character of the place. KW - DOAJ Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:hbz:due62-opus-32115 SN - 2297-3362 N1 - The Supplementary Material for this article can be found online at: https://www.frontiersin.org/articles/10.3389/fbuil.2021.676009/full#supplementary-material; ut:000655121500001 VL - 676009 PB - Frontiers ER - TY - GEN A1 - Versümer, Siegbert A1 - Steffens, Jochen A1 - Rosenthal, Fabian T1 - Extensive crowdsourced dataset of in-situ evaluated binaural soundscapes of private dwellings containing subjective sound-related and situational ratings along with person factors to study time-varying influences on sound perception - research data N2 - The soundscape approach highlights the role of situational factors in sound evaluations; however, only a few studies have applied a multi‐domain approach including sound‐related, person‐related, and time‐varying situational variables. Therefore, we conducted a study based on the Experience Sampling Method to measure the relative contribution of a broad range of potentially relevant acoustic and non‐auditory variables in predicting indoor soundscape evaluations. Here we present the comprehensive dataset for which 105 participants reported temporally (rather) stable trait variables such as noise sensitivity, trait affect, and quality of life. They rated 6.594 situations regarding the soundscape standard dimensions, perceived loudness, and the saliency of its sound components and evaluated situational variables such as state affect, perceived control, activity, and location. To complement these subject‐centered data, we additionally crowdsourced object‐centered data by having participants make binaural measurements of each indoor soundscape at their homes using a low‐(self‐)noise recorder. These recordings were used to compute (psycho‐)acoustical indices such as the energetically averaged loudness level, the A‐weighted energetically averaged equivalent continuous sound pressure level, and the A‐weighted five‐percent exceedance level. This complex hierarchical data can be used to investigate time‐varying non‐auditory influences on sound perception and to develop soundscape indicators based on the binaural recordings to predict soundscape evaluations. KW - Dataset KW - soundscape KW - person factors KW - indoor soundscape KW - acoustic environment KW - non-auditory factors KW - situational factors KW - binaural recording KW - Experience Sampling Method KW - acoustic descriptors Y1 - 2023 U6 - https://doi.org/10.5281/zenodo.7193937 N1 - This study was sponsored by the German Federal Ministry of Education and Research. “FHprofUnt” funding code: 13FH729IX6. Versions: Version V.01.1 10.5281/zenodo.7858848 Apr 25, 2023 Version V.01.0 10.5281/zenodo.7193938 Mar 7, 2023 CY - Zenodo ET - V.01.1 ER - TY - THES A1 - Rosenthal, Fabian T1 - Einsatz und Anpassung von Methoden der Audio-Feature-Extraktion am Beispiel von Indoor Soundscapes T1 - The application of audio feature extraction methods to the analysis of indoor soundscapes. N2 - Im häuslichen Umfeld erleben Menschen abhängig von ihrer Wohnsituation unterschiedlichste Geräuschumgebungen (Indoor Soundscapes), die einen hohen Einfluss auf das Wohlbefinden haben. Im Rahmen einer Feldstudie wurde daher die theoretisch und praktisch relevante Frage untersucht, welche Merkmale der wahrgenommenen Geräuschumgebungen als besonders ereignisreich oder angenehm bewertet werden. Einhundertfünf Teilnehmer*innen berichteten nach der Experience-Sampling-Methode zeitgesteuert über auftretende Geräuschumgebungen des häuslichen Alltags. Sie bewerteten deren subjektive Wirkung gemäß Soundscape-Standard. Zudem fertigten sie in-situ Audioaufnahmen der Geräuschszenarien an. Die 6594 Tonaufnahmen wurden einer Audioinhaltsanalyse unterzogen und im Zuge dessen wurden vier Featuresets verschiedener Berechnungsansätze extrahiert. Mithilfe der Perzentilen LASSO-Regularisierung wurden lineare gemischte Modelle für Angenehmheit und Ereignisreichtum sowie drei Multilevel-Modelle für Angenehmheit aufgestellt. Die besten Modelle erklären 9 % der Varianz von Angenehmheit und 27 % der Varianz von Ereignisreichtum durch feste Effekte selektierter Prädiktoren aller getesteten Featuresets. Angenehmheit sinkt vor allem, wenn lautheitsbasierte Features hohe Werte zeigen. Ereignisreichtum ist am stärksten abhängig von kurzen Spitzen des C-bewerteten Schalldruckpegels und wird im Vergleich zu Angenehmheit stärker von Zeitschwankungen der Features bestimmt. Durch den Vergleich der Featuresets wird deutlich, dass die Modelleffekte bekannter psychoakustischer Größen durch Hinzufügen von MFCC-Features verbessert werden. Darüber hinaus wird anhand von Multilevel-Modellen gezeigt, dass die Angenehmheit des lautesten Viertels der Tonaufnahmen deutlich besser durch feste Effekte erklärbar ist als der leisere Rest des Datensatzes. Kongruent mit aktuellen Befragungsstudien kann durch Audiofeatures eine Kategorienabhängigkeit der Soundscape-Bewertungen belegt werden: Musik und Sprache werden als angenehmer bewertet, technische Geräusche und Anlagenrauschen hingegen als unangenehmer. Hoher Ereignisreichtum hängt mit menschgemachten Geräuschen (z. B. Poltern, Stuhlrücken) zusammen. Diese Ergebnisse stellen eine wichtige Komponente in der umfassenden Beschreibung komplexer Geräuschumgebungen dar und ihnen kommt in Zeiten der SARS-CoV-2-Pandemie, in denen Wohnraum vermehrt heterogen genutzt werden muss, eine erhöhte Bedeutung zu. N2 - Depending on their living situation, people experience a wide variety of indoor soundscapes in their home environment, which have a major impact on their well-being. As part of a field study, the theoretically and practically relevant question of which features of the perceived soundscapes are rated as particularly eventful or pleasant was therefore investigated. One hundred and five participants used the experience sampling method to report on noise environments that occur in everyday domestic life. They assessed their subjective impact according to the soundscape standard. They also made in-situ audio recordings of the sound scenarios. The 6594 sound recordings were subjected to an audio content analysis and four feature sets of different calculation approaches were extracted. Using percentile LASSO regularisation, linear mixed models for pleasantness and event richness and three multilevel models for pleasantness were constructed. The best models explain 9 % of the variance of pleasantness and 27 % of the variance of event richness by fixed effects of selected predictors of all tested feature sets. Pleasantness decreases especially when loudness-based features show high values. Event richness is most dependent on short peaks of the C-weighted sound pressure level and is more strongly determined by time variations of the features compared to pleasantness. By comparing the feature sets, it becomes clear that the modelling effects of known psychoacoustic quantities are improved by adding MFCC features. In addition, multilevel models show that the pleasantness of the loudest quarter of the sound recordings can be explained much better by fixed effects than the quieter rest of the data set. Congruent with current survey studies, a category dependency of the soundscape evaluations can be proven by audio features: Music and speech are rated as more pleasant, while technical noises and system noise are rated as more unpleasant. High event richness is related to man-made noises (e.g. rumbling, chair backs). These results represent an important component in the comprehensive description of complex noise environments and they are of increased importance in times of the SARS-CoV-2 pandemic, when living space must be used increasingly heterogeneously. KW - Soundscapes KW - Audio features KW - Audio Analyse Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:hbz:due62-opus-43991 N1 - Supplementary material to the thesis "Einsatz und Anpassung von Methoden der Audio-Feature-Extraktion am Beispiel von Indoor Soundscapes". DOI: 10.5281/zenodo.11060721 CY - Düsseldorf ER - TY - CHAP A1 - Loepthien, Tim A1 - Hantschel, Florian A1 - Ruth, Nicolas A1 - Steffens, Jochen A1 - Shumaker, Randall T1 - Flowerleben beim Musikhören: Die Wichtigkeit situativer und personenbezogener Variablen und Zusammenhänge mit der aktuellen Stimmung T2 - Abstract-Band zur 38. Jahrestagung der Deutschen Gesellschaft für Musikpsychologie Y1 - 2022 CY - Würzburg ER - TY - JOUR A1 - Anglada-Tort, Manuel A1 - Masters, Nikhil A1 - Steffens, Jochen A1 - North, Adrian A1 - Müllensiefen, Daniel T1 - The Behavioural Economics of Music: Systematic review and future directions JF - Quarterly Journal of Experimental Psychology N2 - Music-related decision-making encompasses a wide range of behaviours including those associated with listening choices, composition and performance, and decisions involving music education and therapy. Although research programmes in psychology and economics have contributed to an improved understanding of music-related behaviour, historically, these disciplines have been unconnected. Recently, however, researchers have begun to bridge this gap by employing tools from behavioural economics. This article contributes to the literature by providing a discussion about the benefits of using behavioural economics in music-decision research. We achieve this in two ways. First, through a systematic review, we identify the current state of the literature within four key areas of behavioural economics-heuristics and biases, social decision-making, behavioural time preferences, and dual-process theory. Second, taking findings of the literature as a starting point, we demonstrate how behavioural economics can inform future research. Based on this, we propose the Behavioural Economics of Music (BEM), an integrated research programme that aims to break new ground by stimulating interdisciplinary research in the intersection between music, psychology, and economics. Y1 - 2022 SN - 1747-0218 U6 - https://doi.org/10.1177/17470218221113761 SN - 1747-0226 VL - 76 IS - 5 PB - SAGE ER - TY - CHAP A1 - Brettschneider, Nico A1 - Herder, Jens A1 - de Mooij, Jeroen A1 - Ryskeldiev, Bektur ED - Herder, Jens T1 - Audio vs. Visual Avatars as Guides in Virtual Environments T2 - 21th International Conference on Human and Computer, HC-2018, March 27–28, 2019, Shizuoka University, Hamamatsu, Japan. N2 - Through constant technical progress, multi-user virtual reality is transforming towards a social activity that is no longer only used by remote users, but also in large-scale location-based experiences. We evaluate the usage of realtime-tracked avatars in co-located business-oriented applications in a "guide-user-scenario" in comparison to audio only instructions. The present study examined the effect of an avatar-guide on the user-related factors of Spatial Presence, Social Presence, User Experience and Task Load in order to propose design guidelines for co-located collaborative immersive virtual environments. Therefore, an application was developed and a user study with 40 participants was conducted in order to compare both guiding techniques of a realtime-tracked avatar guide and a non-visualised guide with otherwise constant conditions. Results reveal that the avatar-guide enhanced and stimulated communicative processes while facilitating interaction possibilities and creating a higher sense of mental immersion for users. Furthermore, the avatar-guide appeared to make the storyline more engaging and exciting while helping users adapt to the medium of virtual reality. Even though no assertion could be made concerning the Task Load factor, the avatar-guide achieved a higher subjective value on User Experience. Due to the results, avatars can be considered valuable social elements in the design of future co-located collaborative virtual environments. KW - Virtual Reality KW - Co-located Collaborations KW - Networked Immersive Virtual Environments KW - Head-mounted Display KW - Avatars KW - Lehre Y1 - 2019 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:hbz:due62-opus-23859 UR - https://vsvr.medien.hs-duesseldorf.de/publications/hc2018-avatar/ PB - Hochschule Düsseldorf CY - Düsseldorf ER -