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Acoustic challenge Turning down the volume in Switzerland

Switzerland is getting noisier, despite advances made in noise protection. It’s a challenge for EMPA – the main Swiss institute that conducts research to fight against the increasing noise levels produced by trains, planes and automobiles.

EMPA, the institute for material sciences and technology development, carries out complex testing to help establish noise pollution guidelines. But it also works with industrial partners to develop noise-resistant materials. swissinfo visited the sound laboratories in Dübendorf to find out more. (Julie Hunt,

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