THE BRITISH Standards Institution has published BS6086 "Measurement of noise
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inside motor vehicles" representing the first stage in the development of a new test to define interior noise.
It is indentical to ISO 5128 published by the International Organisation for Standardisation.
The new standard specifies conditions for obtaining reproducible and comparable measurements of noise levels and noise spectra inside all kinds of motor vehicles for use on the road including those where the driver and/or passengers occupy an open cabin, but not agricultural tractors.
BSI claims that the results may be used, for example, to decide whether the noise inside a vehicle is in accordance with noise specifications or to estimate hearing damage risk in conjunction with noise exposure.