IDIADA’s NVH teams, both China and Spain, have extensive knowledge of exterior noise testing with more than 25 years’ experience. The teams are active all-year-round and familiar with a large number of standardized testing procedures. The client’s own procedures can also be applied, upon request.


Exterior noise testing tracks in Spain and China:

Applus IDIADA’s proving grounds in Spain and China are overall equipped with 7 exterior noise test tracks aimed at exterior noise testing and validation.

The main characteristics of the test tracks are:

  • Background noise < 50 dB(A)
  • Test area dimensions: 22 x 20 m
  • Length of acceleration lane: 300 m

The test tracks are also used for development projects. Exterior noise source performance is analysed using source masking techniques for exhaust and intake improvement, sound package performance and optimization, and tyre noise optimization. Moreover, our specialist teams can assist in exterior noise sources countermeasures, design, strategy definition, and system target setting.


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