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Technical Paper

Evaluation of the Revised ISO362 Standard for Vehicle Exterior Noise Measurement

The International Organization for Standardization (ISO) has developed a new measurement procedure, ISO362:200X, for vehicle exterior noise. This proposed standard covers motorcycles, light duty vehicles, and heavy-duty vehicles. The intent of the new procedure is to measure vehicle noise consistent with typical urban operation. SAE has conducted a cooperative research program to evaluate the new ISO procedure for light duty vehicles with regard to the intent of the procedure, technical, and practical considerations. The results of the cooperative research program indicate the new ISO procedure meets the intent of measuring typical traffic noise and does so in a technically correct and practically achievable manner.