@article{vonBergSteffensWeinzierletal.2021, author = {von Berg, Markus and Steffens, Jochen and Weinzierl, Stefan and M{\"u}llensiefen, Daniel}, title = {Assessing room acoustic listening expertise}, series = {Journal of the Acoustical Society of America}, volume = {150}, journal = {Journal of the Acoustical Society of America}, number = {4}, publisher = {Acoustical Society of America}, doi = {10.1121/10.0006574}, pages = {2539 -- 2548}, year = {2021}, abstract = {Musicians and music professionals are often considered to be expert listeners for listening tests on room acoustics. However, these tests often target acoustic parameters other than those typically relevant in music such as pitch, rhythm, amplitude, or timbre. To assess the expertise in perceiving and understanding room acoustical phenomena, a listening test battery was constructed to measure the perceptual sensitivity and cognitive abilities in the identification of rooms with different reverberation times and different spectral envelopes. Performance in these tests was related to data from the Goldsmiths Musical Sophistication Index, self-reported previous experience in music recording and acoustics, and academic knowledge on acoustics. The data from 102 participants show that sensory and cognitive abilities are both correlated significantly with musical training, analytic listening skills, recording experience, and academic knowledge on acoustics, whereas general interest in and engagement with music do not show any significant correlations. The regression models, using only significantly correlated criteria of musicality and professional expertise, explain only small to moderate amounts (11\%-28\%) of the variance in the "room acoustic listening expertise" across the different tasks of the battery. Thus, the results suggest that the traditional criteria for selecting expert listeners in room acoustics are only weak predictors of their actual performances.}, language = {en} } @article{BehbehaniSteffens2021, author = {Behbehani, Sami and Steffens, Jochen}, title = {Musical DIAMONDS: The influence of situational classes and characteristics on music listening behavior}, series = {Psychology of Music}, volume = {49}, journal = {Psychology of Music}, number = {6}, publisher = {sage journals}, issn = {1741-3087}, doi = {10.1177/0305735620968910}, pages = {1532 -- 1545}, year = {2021}, language = {en} } @techreport{VogelBlaettermann2021, author = {Vogel, Peter and Bl{\"a}ttermann, Patrick}, title = {Investieren unter Nebenbedingungen - Teil 5: Auswahl von Aktien, Datenqualit{\"a}t und Statistik-Ergebnisse}, address = {D{\"u}sseldorf}, organization = {Hochschule D{\"u}sseldorf}, issn = {2567-2347}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:due62-opus-28848}, year = {2021}, language = {de} } @techreport{Vogel2020, author = {Vogel, Peter}, title = {Investieren unter Nebenbedingungen - Teil 4: Erg{\"a}nzung zu Teil 3}, publisher = {Hochschule D{\"u}sseldorf}, address = {D{\"u}sseldorf}, organization = {Hochschule D{\"u}sseldorf}, issn = {2567-2347}, doi = {10.20385/2567-2347/2020.4}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:due62-opus-21206}, year = {2020}, abstract = {Der vierte Teil der Schriftenreihe "Trading" pr{\"a}sentiert eine statistische Auswertung von Kursdaten bei einer Haltefrist von einem Handelstag. Die Statistik beinhaltet Gewinnfaktor bzw. Rendite und Investitionsgrad aus Teil 1 sowie Volatilit{\"a}t, Chance, Risiko und Handelskosten, welche in Teil 3 eingef{\"u}hrt wurden. Kaufbedingungen werden wie in Teil 1 mit Hilfe des Kursverh{\"a}ltnisses an zwei aufeinander folgenden Handelstagen gebildet. Die Auswertung f{\"u}r den Markt FEBRDUSA_1 historischer Kursdaten liefert eine in sich schl{\"u}ssige Beschreibung des Einflussfaktors Kaufbedingung auf die k{\"u}nftige Kursentwicklung. Den gr{\"o}ßten Gewinn liefert eine Mean Reversion-Strategie, bei der die Chance deutlich {\"u}ber dem Risiko liegt. Da die Statistik die Begrenzung eingegangener Neuinvestitionen ber{\"u}cksichtigt, werden {\"U}bertreibungen vermieden, die einer arithmetischen Mittelwertbildung anhaften. Die statische Auswertung f{\"u}r einen mit Random Walks gebildeten Markt best{\"a}tigt, dass f{\"u}r diesen Fall keine Abh{\"a}ngigkeit von der Kaufbedingung besteht.}, language = {de} } @inproceedings{BoeldtSteffensBuettneretal.2020, author = {B{\"o}ldt, Sebastian and Steffens, Jochen and B{\"u}ttner, Clemens and Weinzierl, Stefan}, title = {Modellierung von Publikumsger{\"a}uschen bei Veranstaltungen mit Sprache und Musik}, series = {Fortschritte der Akustik - DAGA 2020: 46. Deutsche Jahrestagung f{\"u}r Akustik}, booktitle = {Fortschritte der Akustik - DAGA 2020: 46. Deutsche Jahrestagung f{\"u}r Akustik}, publisher = {Deutsche Gesellschaft f{\"u}r Akustik e.V.}, address = {Berlin}, organization = {Deutsche Gesellschaft f{\"u}r Akustik e.V}, doi = {10.14279/depositonce-9991}, pages = {850 -- 853}, year = {2020}, language = {de} } @inproceedings{WilczekSteffensWeinzierl2020, author = {Wilczek, Tobias and Steffens, Jochen and Weinzierl, Stefan}, title = {Zum Einfluss der Akustik auf die Qualit{\"a}t von Restaurants. Eine Feldstudie}, series = {Fortschritte der Akustik - DAGA 2020: 46. Deutsche Jahrestagung f{\"u}r Akustik}, booktitle = {Fortschritte der Akustik - DAGA 2020: 46. Deutsche Jahrestagung f{\"u}r Akustik}, publisher = {Deutsche Gesellschaft f{\"u}r Akustik e.V.}, address = {Berlin}, doi = {10.14279/depositonce-9999}, pages = {854 -- 857}, year = {2020}, language = {de} } @article{SteffensWilczekWeinzierl2021, author = {Steffens, Jochen and Wilczek, Tobias and Weinzierl, Stefan}, title = {Junk Food or Haute Cuisine to the Ear? - Investigating the Relationship Between Room Acoustics, Soundscape, Non-Acoustical Factors, and the Perceived Quality of Restaurants}, series = {Frontiers in Built Environment}, volume = {676009}, journal = {Frontiers in Built Environment}, publisher = {Frontiers}, issn = {2297-3362}, doi = {10.3389/fbuil.2021.676009}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:due62-opus-32115}, pages = {11}, year = {2021}, abstract = {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.}, language = {en} } @inproceedings{BrettschneiderHerderdeMooijetal.2019, author = {Brettschneider, Nico and Herder, Jens and de Mooij, Jeroen and Ryskeldiev, Bektur}, title = {Audio vs. Visual Avatars as Guides in Virtual Environments}, series = {21th International Conference on Human and Computer, HC-2018, March 27-28, 2019, Shizuoka University, Hamamatsu, Japan.}, booktitle = {21th International Conference on Human and Computer, HC-2018, March 27-28, 2019, Shizuoka University, Hamamatsu, Japan.}, editor = {Herder, Jens}, publisher = {Hochschule D{\"u}sseldorf}, address = {D{\"u}sseldorf}, organization = {Hochschule D{\"u}sseldorf}, doi = {10.20385/0hrj-qc02}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:due62-opus-23859}, pages = {9}, year = {2019}, abstract = {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.}, language = {en} } @article{VersuemerSteffensBlaettermannetal.2020, author = {Vers{\"u}mer, Siegbert and Steffens, Jochen and Bl{\"a}ttermann, Patrick and Becker-Schweitzer, J{\"o}rg}, title = {Modelling evaluations of low-level sounds in everyday situations using linear machine learning for variable selection}, series = {Frontiers in Psychology}, volume = {11}, journal = {Frontiers in Psychology}, publisher = {Frontiers}, issn = {1664-1078}, doi = {10.3389/fpsyg.2020.570761}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:due62-opus-23779}, year = {2020}, language = {en} } @article{AngladaTortKellerSteffensetal.2020, author = {Anglada-Tort, Manuel and Keller, Steve and Steffens, Jochen and M{\"u}llensiefen, Daniel}, title = {The Impact of Source Effects on the Evaluation of Music for Advertising}, series = {Journal of Advertising Research}, volume = {60}, journal = {Journal of Advertising Research}, number = {3}, publisher = {ARF}, doi = {10.2501/JAR-2020-016}, year = {2020}, language = {en} }