Acoustics. Temperature influence on tyre/road noise measurement - Correction for temperature when testing with the CPX method1 Scope This document specifies procedures for determining the effect of temperature on tyre road noise emission. Temperatures considered are tyre, road and ambient air temperatures. The noise emission for which this document is applicable is measured by means of ISO 118192, or similar methods such as the on board sound intensity (OBSI) method specified in Reference [1]. Measurement results obtained at a certain temperature, which may vary over a wide

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