Method for evaluating and measuring sound insulation performance of whole automobile

The invention relates to a sound insulation performance evaluation and measurement method for a whole automobile. The method comprises the steps of test resource preparation: vehicle resource preparation and test site preparation; vehicle arrangement, specifically sensor measuring point arrangement; a whole vehicle rotating hub semi-silencing test room chassis dynamometer adopts a vehicle hub-equipped mode, a reference vehicle is loaded on a rotating hub and runs with a hub, the reference vehicle runs at a uniform vehicle speed, data acquisition is carried out, and noise signals of measurement points of each microphone at each vehicle speed are recorded respectively; and processing, analyzing and evaluating measured data. The invention provides a set of complete laboratory environmental noise sound insulation performance evaluation and measurement method, which is used for developing, verifying and evaluating the environmental noise sound insulation performance in the vehicle development process, fills the bl