The test equipment can subject a car to random vibration.

Although the test equipment can subject a car to random vibration, in most cases the tests are conducted using data taken on real roads – either normal public roads or the Czech carmaker’s test polygon. “This recorded data allows us to replicate unwanted sounds that occur, for example, at a specific location on a given test route,” says Róbert Schmögner, Head of Vehicle Measurement, Testing and Analysis.