GB/T 22157-2008
AbolishedAcoustics - Specification of test tracks for the purpose of measuring noise emitted by road vehicles
声学 用于测量道路车辆发射噪声的试验车道技术规范
Application Summary AI generated
This standard specifies the technical requirements for the physical construction and surface characteristics of test tracks used to measure noise emitted by road vehicles. It is applied in automotive testing facilities and certification laboratories to ensure consistent and reproducible noise measurements for passenger cars, trucks, and motorcycles under controlled driving conditions. The standard is critical for regulatory compliance, vehicle type approval, and environmental noise assessment in China.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.