Current pollution status as well as changing trend of functional area noise, traffic noise and regional noise in urban areas of cities of Jiangsu Province was analysed.

Based on the survey of traffic noise pollution in Wu Lan Hot city, the causes of traffic noise pollution were analyzed, and measures and suggestion were put forward.

This paper analyzes the reasons of the traffic noise, evaluates the traffic noise of Waliu Road in Taiyuan City, and advances some corresponding preventive measures.

Evaluation and prediction new methods of road traffic noise;

Following introduction on status of urban road traffic noise and its perniciousness,recent progresses in urban traffic noise assessment were browsed.

The object,structure and functions of Urban Noise Management Information System are introduced simply,and the method of road traffic noise prediction and assessment is described by integrating urban traffic main roads noise average ,FHWA model with GIS .

To improve the application performance in signal de-noising of ICA, the concept of virtual noise channel was introduced and the needed virtual channels were imported based on the concrete detected cond.

The basic theory and the detailed courses of construction of virtual noise channel used EMD are described.

Design on orbit traffic sound control structure anddevelopment on sound absorption material;