GB/T 3449-2011
ActiveAcoustics - Measurement of noise inside railbound vehicles
声学 轨道车辆内部噪声测量
Application Summary AI generated
This standard specifies measurement methods for evaluating interior noise levels in railbound vehicles, including trains, trams, and subways. It is applied during vehicle design, type testing, and acceptance procedures to ensure passenger and crew comfort, as well as compliance with noise regulations. The standard covers microphone placement, operating conditions, and data processing for consistent noise assessment across different rail vehicle types.
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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.