Room acoustics computer modeling

Study of the effect of source directivity on auralizations

Michelle C. Vigeant, Lily M Wang, Jens Holger Rindel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Auralizations are very useful in the design of performing arts spaces, where auralization is the process of rendering audible the sound field in a space, in such a way as to simulate the binaural listening experience at a given position in the modeled space. One of the fundamental modeling inputs to create auralizations is the source directivity. Standard methods involve inputting the measured source directivity, calculating the impulse response and convolving it with a single channel anechoic recording. An initial study was conducted using this method and the results showed significant differences in reverberation time and clarity index when using a directional versus omni-directional source. Further research was conducted focusing on an alternative method of modeling source directivity that involves multi-channel anechoic recordings to create auralizations. Subjective tests were conducted comparing auralizations made with one, four and thirteen channels, with three different instrument types and subjects rated differences in realism. An analysis of variance (ANOVA) was carried out to determine the effect of the number of channels and instrument on realism. The primary result from this study was that subjects rated the auralizations made with an increasing number of channels as sounding more realistic, indicating that when more accurate source directivity information is used a more realistic auralization is possible. Copyright ASCE 2006.

Original languageEnglish (US)
Title of host publicationAEI 2006
Subtitle of host publicationBuilding Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference
Number of pages1
DOIs
StatePublished - Dec 28 2006
EventAEI 2006 - Omaha, NE, United States
Duration: Mar 29 2006Apr 1 2006

Publication series

NameAEI 2006: Building Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference
Volume2006

Conference

ConferenceAEI 2006
CountryUnited States
CityOmaha, NE
Period3/29/064/1/06

Fingerprint

Acoustics
Reverberation
Acoustic fields
Analysis of variance (ANOVA)
Impulse response

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Vigeant, M. C., Wang, L. M., & Rindel, J. H. (2006). Room acoustics computer modeling: Study of the effect of source directivity on auralizations. In AEI 2006: Building Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference (AEI 2006: Building Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference; Vol. 2006). https://doi.org/10.1061/40798(190)22

Room acoustics computer modeling : Study of the effect of source directivity on auralizations. / Vigeant, Michelle C.; Wang, Lily M; Rindel, Jens Holger.

AEI 2006: Building Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference. 2006. (AEI 2006: Building Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference; Vol. 2006).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Vigeant, MC, Wang, LM & Rindel, JH 2006, Room acoustics computer modeling: Study of the effect of source directivity on auralizations. in AEI 2006: Building Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference. AEI 2006: Building Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference, vol. 2006, AEI 2006, Omaha, NE, United States, 3/29/06. https://doi.org/10.1061/40798(190)22
Vigeant MC, Wang LM, Rindel JH. Room acoustics computer modeling: Study of the effect of source directivity on auralizations. In AEI 2006: Building Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference. 2006. (AEI 2006: Building Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference). https://doi.org/10.1061/40798(190)22
Vigeant, Michelle C. ; Wang, Lily M ; Rindel, Jens Holger. / Room acoustics computer modeling : Study of the effect of source directivity on auralizations. AEI 2006: Building Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference. 2006. (AEI 2006: Building Integration Solutions - Proceedings of the 2006 Architectural Engineering National Conference).
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