Process / pipelineAcoustic isolation
隔音等级
隔音等级(Sound Transmission Class, STC)是一个单一数字评级,用于描述建筑构件(墙壁、门、窗户)在相邻空间之间降低声音传播的性能。STC由ASTM International和ISO标准化,根据语音频率范围(125 Hz–4 kHz)内的声传输损失(STL)测量值计算得出。它是建筑规范、产品规格和声学设计中用于确保隐私、噪声控制和居住者舒适度的主要指标。
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来源
- ASTM E413-16 (2016). Classification for Rating Sound Insulation. American Society for Testing and Materials. link ↗
- ISO 717-1 (1996). Rating of Sound Insulation for Buildings and Building Elements. International Organization for Standardization. link ↗
- ASTM E2179-16 (2016). Standard Test Method for Measuring Sound Transmission Loss of Building Partitions by the Reverberation Method. American Society for Testing and Materials. link ↗
如何引用本页
ScholarGate. (2026, June 3). Sound Transmission Class (STC) Rating and Measurement. ScholarGate. https://scholargate.app/zh/acoustics/sound-transmission-class
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