Plenary Lecture

On the Measurements of 3D Sound Propagation in Historical Theatres

Professor Lamberto Tronchin
DIN - CIARM
University of Bologna
Italy
E-mail: Lamberto.tronchin@unibo.it

Abstract: The definition and measurement of sound spatialisation have been strongly enhanced in last years, as nowadays spatialisation is considered quite important during design of auditoria and virtual audio reproduction of sound quality in dedicated listening rooms for 3D reproduction purposes. Even though international standards like ISO 3382 require measuring some spatial parameters (i.e. LE, LF, IACC), usually only mono and binaural measurements are performed, by means of a dummy head, and rarely 3D impulse responses are measured and utilised for sound reproduction. In this paper, an innovative procedure of measuring spatial sound characteristics is presented. Furthermore, the methodology is compared with other techniques of 3D sound analysis. Moreover, the results of a wide campaign of measurements of spatial parameters among different auditoria ranging from Italy to Japan and Australia, are compared with the results of standard binaural and 3D measurements.

Brief Biography of the Speaker: The definition and measurement of sound spatialisation have been strongly enhanced in last years, as nowadays spatialisation is considered quite important during design of auditoria and virtual audio reproduction of sound quality in dedicated listening rooms for 3D reproduction purposes. Even though international standards like ISO 3382 require measuring some spatial parameters (i.e. LE, LF, IACC), usually only mono and binaural measurements are performed, by means of a dummy head, and rarely 3D impulse responses are measured and utilised for sound reproduction.
In this paper, an innovative procedure of measuring spatial sound characteristics is presented. Furthermore, the methodology is compared with other techniques of 3D sound analysis. Moreover, the results of a wide campaign of measurements of spatial parameters among different auditoria ranging from Italy to Japan and Australia, are compared with the results of standard binaural and 3D measurements.

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