Analysis of physical and perceptual properties of room impulse responses: development of an online tool

  • 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 RAQI 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 differentOver 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 RAQI 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.show moreshow less

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Author:Markus Von BergORCiD, Paul Schwörer, Lukas Prinz, Jochen SteffensORCiD
open access:Diamant - ohne Publikationskosten mit Lizenzhinweis
Institutes:Institute of Sound and Vibration Engineering (ISAVE)
Fachbereich/Einrichtung:Hochschule Düsseldorf / Fachbereich - Medien
Document Type:Conference Proceeding
Year of Completion:2023
Language of Publication:English
Publisher:European Acoustics Association
Place of publication:Turin, Italy
Parent Title (English):Proceedings of the 10th Convention of the European Acoustics Association Forum Acusticum 2023, September 11 - 15, 2023,Torino, Italy
Editor:Arianna Astolfi, Francesco Asdrubali, Louena Shtrepi
Page Number:8
First Page:1647
Last Page:1654
URN:urn:nbn:de:hbz:due62-opus-47929
DOI:https://doi.org/10.61782/fa.2023.0480
ISBN:978-88-88942-67-4
ISSN:2221-3767
GND Keyword:Raumakustik; Konzertsaal; Webanwendung
Corresponding Author:Markus Martin von Berg
Dewey Decimal Classification:0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 000 Informatik, Informationswissenschaft, allgemeine Werke
Licence (German):Creative Commons - CC BY - Namensnennung 3.0
Release Date:2024/12/10
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