An acoustic paintbrush method for simulated spatial room impulse responses

Otto Puomio*, Tapani Pihlajakuja, Tapio Lokki

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

50 Downloads (Pure)


Virtual reality applications require all kinds of methods to create plausible virtual acoustics environments to enhance the user experi- ence. Here, we present an acoustic paintbrush method that modifies the timbre of a simple room acoustics simulation with the timbre of a measured room response while aiming to preserve the spatial aspects of the simulated room. In other words, the method only applies the measured spectral coloration and alters the simulated and temporal distribution of early reflections as little as possible. Three variations of the acoustic paintbrush method are validated with a listening test. The results indicate that the method works reasonably well. The paintbrushed room acoustic simulations were perceived to become closer to the measured room acoustics than the source simulation. However, the limits of the perceived effect varied depending on the input signal and the simulated and recorded responses. This warrants for further perceptual testing.
Original languageEnglish
Title of host publicationProceedings of the 23rd International Conference on Digital Audio Effects (DAFx2020)
Number of pages8
Publication statusPublished - Sept 2020
MoE publication typeA4 Conference publication
EventInternational Conference on Digital Audio Effects - Virtual (Initially Vienna), Vienna, Austria
Duration: 9 Sept 202011 Sept 2020
Conference number: 23

Publication series

NameProceedings of the International Conference on Digital Audio Effects
ISSN (Print)2413-6700
ISSN (Electronic)2413-6689


ConferenceInternational Conference on Digital Audio Effects
Abbreviated titleDAFx
Internet address


Dive into the research topics of 'An acoustic paintbrush method for simulated spatial room impulse responses'. Together they form a unique fingerprint.

Cite this