Deutsch: Vergleich der Luftschallabschirmungswirkung einer Niedrigschallschutzwand (blau), Höhe ca. 0,35 m; Gleisabstand ca. 0,85 m, und einer konventionellen Lärmschutzwand (grün), Höhe ca. 2 m; Gleisabstand ca. 8 m.
English: Comparison of the impact of airborne sound absorption by different types of railway noise barriers: (Blue: height ca. 0,35 m, distance to track: ca. 0,85 m; Green: height ca 2 m; distance to track ca. 8 m)
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