Time-frequency diffraction acoustic modeling of the Epidaurus ancient theatre

Topical Issue - The Sound of Ancient Theatres

Open Access

Table 1

STI values of Model 1 and 2 for different source levels and for the different propagation mechanisms.

		Model 1			Model 2
		Propagation mechanism			Propagation mechanism
Position	SPL (dB)	δ + r	δ + r + d	δ + r + d + rd	δ + r	δ + r + d	δ + r + d + rd
R1	60	0.695	0.704	0.708	0.536	0.537	0.554
	70	0.932	0.932	0.932	0.842	0.830	0.841
	85	0.994	0.990	0.990	0.980	0.961	0.955
R4	60	0.476	0.493	0.552	0.429	0.437	0.485
	70	0.782	0.798	0.862	0.734	0.738	0.790
	85	0.981	0.972	0.993	0.986	0.972	0.976
R7	60	0.354	0.369	0.460	0.314	0.318	0.382
	70	0.646	0.677	0.776	0.586	0.595	0.693
	85	0.967	0.983	0.995	0.940	0.940	0.973
R10	60	0.313	0.316	0.401	0.270	0.270	0.323
	70	0.586	0.604	0.719	0.529	0.533	0.634
	85	0.956	0.980	0.994	0.918	0.925	0.973

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.