To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Demonstration of the creation of a quiet zone using the spatial sound modulator. Shaping reverberating sound fields with an actively tunable metasurface Guancong Ma, Xiying Fan, Ping Sheng, and Mathias Fink PNAS. 2018. 115:6638-6643 DOI: 10.1073/pnas.1801175115 Download Original Video Browse All Videos »