@article{VersuemerSteffensWeinzierl2023, author = {Vers{\"u}mer, Siegbert and Steffens, Jochen and Weinzierl, Stefan}, title = {Day-to-day loudness assessments of indoor soundscapes: Exploring the impact of loudness indicators, person, and situation}, series = {The Journal of the Acoustical Society of America}, volume = {153}, journal = {The Journal of the Acoustical Society of America}, number = {5}, publisher = {Acoustical Society of America (ASA)}, issn = {0001-4966}, doi = {10.1121/10.0019413}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:due62-opus-46127}, pages = {2956 -- 2972}, year = {2023}, abstract = {This study investigates loudness perception in real-world contexts using predictors related to the sound, situation, or person. In the study, 105 participants recorded 6594 sound environments in their homes, which were then evaluated based on the Experience Sampling Method. Hierarchical linear regressions using a loudness level based on ISO 532-1 allowed for obtaining the best model fits for predicting perceived loudness and explaining the highest variance. LAeq and LAF5 provided comparable results and may require less computational effort. However, the analysis shows that only one-third of the variance explained by fixed effects was attributable to the loudness level. Sixteen percent stemmed from perceived properties of the soundscape; 1\% were attributable to relatively temporally stable, person-related predictors like participants' age; non-auditory situational predictors made no additional contribution. The results thus did not confirm previous findings on loudness perception under laboratory conditions, emphasizing the importance of the situational context. Along with the current paper, a comprehensive dataset, including the assessed person-related, situational, and sound-related measures as well as LAeq time-series and third-octave spectrograms, is provided to enable further research on sound perception, indoor soundscapes, and emotion.}, subject = {Lautwahrnehmung}, language = {en} } @misc{vonBergSchwoererPrinzetal.2023, author = {von Berg, Markus and Schw{\"o}rer, Paul and Prinz, Lukas and Steffens, Jochen}, title = {OPRA: Akustische Analyse musikalischer Auff{\"u}hrungsr{\"a}ume im Browser}, series = {Akustik Journal}, journal = {Akustik Journal}, number = {3}, issn = {2569-1600}, pages = {41 -- 52}, year = {2023}, abstract = {Der Auff{\"u}hrungsraum leistet einen substantiellen Beitrag zum Erleben von Musikdarbietungen. Zur Beschreibung der Akustik von Auff{\"u}hrungsr{\"a}umen haben sich dabei zahlreiche Messgr{\"o}ßen etabliert, welche bestimmte Wahrnehmungsqualit{\"a}ten, wie z. B. die Halligkeit, abbilden sollen. Dem stellt j{\"u}ngere Forschung rein perzeptive Messinventare gegen{\"u}ber, die den Wahrnehmungseindruck als solchen, losgel{\"o}st vom physikalischen Ursprung, beschreiben. Dieser Artikel beschreibt einen Versuch, diese beiden Forschungsrichtungen zusammenzuf{\"u}hren, indem Bewertungen von Auff{\"u}hrungsr{\"a}umen nach dem perzeptiven Room Acoustical Quality Index (RAQI) durch physikalische Messgr{\"o}ßen modelliert wurden, welche aus einfachen Impulsantwortmessungen ermittelt werden. Dazu wurde eine Auswahl raumakustischer Messgr{\"o}ßen auf f{\"u}nf Dimensionen reduziert und diese als Pr{\"a}diktoren f{\"u}r die einzelnen Wahrnehmungsgr{\"o}ßen des RAQI getestet. Die Berechnung dieser Pr{\"a}diktionsmodelle wird vorgestellt und deren Pr{\"a}zision diskutiert. Anschließend wird die OPRA-Webanwendung vorgestellt, die sowohl die Berechnung der raumakustischen Messgr{\"o}ßen als auch die Pr{\"a}diktion von RAQI-Wahrnehmungsgr{\"o}ßen f{\"u}r die drei Quellsignale Sprache, Orchester und Solotrompete im Browser erm{\"o}glicht. Auch wenn die Pr{\"a}zision der Pr{\"a}diktionsmodelle noch nicht f{\"u}r alle RAQI-Faktoren zuverl{\"a}ssige Ergebnisse liefert, erlaubt OPRA eine umfangreiche akustische Analyse und eine erste Einsch{\"a}tzung der perzeptiven Wirkung von Auff{\"u}hrungsr{\"a}umen.}, language = {de} } @inproceedings{vonBergSchwoererPrinzetal.2023, author = {von Berg, Markus and Schw{\"o}rer, Paul and Prinz, Lukas and Steffens, Jochen}, title = {Analysis of physical and perceptual properties of room impulse responses: development of an online tool}, series = {Forum Acusticuum 2023: 10th Convention of European Acoustics Association, Turin, Italy, 11th-15th September 2023}, booktitle = {Forum Acusticuum 2023: 10th Convention of European Acoustics Association, Turin, Italy, 11th-15th September 2023}, publisher = {EAA}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:due62-opus-41955}, pages = {8}, year = {2023}, abstract = {Over the past decades, research in room acoustics has established several derivative measures of an impulse response, some of which are incorporated in the ISO 3382 standards. These parameters intend to represent perceptual qualities, but were developed without a consistent modeling of room acoustical perception. More recent research proposed comprehensive inventories of room acoustic perception that are purely based on evaluations by human subjects, such as the Room Acoustical Quality Index (RAQI). In this work RA-QI scores acquired for 70 room impulse responses were predicted from room acoustical parameters. Except for Reverberance, the prediction of RAQI factors performed rather poor. In most cases, the sound source had a greater impact on RAQI scores. All analyses are published in an online tool, where users can upload omnidirectional and binaural impulse responses, and instantly obtain and visualize several physical descriptors, as well as predicted RAQI scores for three different sound sources. So far, acceptable prediction accuracy is achieved for Reverberance, Strength, Irregular Decay, Clarity and Intimacy. Larger data sets of evaluated impulse responses are required to improve the model performance and enable reliable predictions of room acoustical quality. Therefore, the administration of RAQI evaluations within the website is currently being developed.}, language = {en} } @misc{VersuemerSteffensRosenthal2023, author = {Vers{\"u}mer, Siegbert and Steffens, Jochen and Rosenthal, Fabian}, title = {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}, edition = {V.01.1}, address = {Zenodo}, doi = {10.5281/zenodo.7193937}, year = {2023}, abstract = {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.}, subject = {soundscape}, language = {en} }