Low-noise pavement noise reduction effect testing device

The utility model provides a low-noise pavement noise reduction effect testing device which comprises a fixing disc, telescopic rods are movably installed below the fixing disc, supporting rods are installed below the telescopic rods in an embedded mode, testers are fixedly installed above the fixing disc, installation rods are installed on the outer sides of the testers in an embedded mode, and the testers are connected with the supporting rods in an embedded mode. Sound receiving cylinders are movably mounted above the mounting rods, a conduction plate is fixedly mounted on the outer side of the tester, a sound source locator is arranged above the tester, and a sounder is fixedly connected to the lower portion of the fixing disc; the position and the distance of a sound source are positioned and measured through the sound source positioner, meanwhile, sounds of different sound segments can be emitted to the road surface through the sound generator, the sound difference of the sound source is analyzed throug