Example: air traffic controller

Sound Transmission Class Guidance - HUD

the transmission loss characteristics of the material tested. For example, if a generated sound level of 80 dB is measured in the source room and 30 dB is measured in the adjacent receiving room, the tested material has a sound reduction intensity (STC) of 5OdB. The Impact Isolation Class (IIC), measured in


  Transmissions, Loss, Transmission loss




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