Hagel 2021, fig. 9

Stefan Hagel

Related article: Hagel S. 2021, Assessing unknown parameters of instrument finds by writing software, in A. Bellia (ed.), From digitalisation and virtual reconstruction of ancient musical instruments to sound heritage simulation and preservation, «Archeologia e Calcolatori», 32.1, 403-421 (https://doi.org/10.19282/ac.32.1.2021.22)

Caption

‘Harmonicity map’ for various effective reed lengths configurations as colour map (threshold, 20¢) and surface plot (Gaussian, σ=20¢/2). Lighter areas (left) and higher elevations (right) indicate a larger number and higher quality of near-pure unisons, octaves, fifths and fourths. The optimum occurs at (4.01 cm; 4.21 cm); cfr. Fig. 1. Example from Naples Archaeological Museum inv. 76892 and 76893, two pipes retrieved from Pompeii. Image Stefan Hagel.

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