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| noise barrier Barriers for reducing the propagation of sound: they are widely used in industry and alongside roads and railways to shield receivers from noise sources. Barriers will not reduce the noise on the receivers side, but will increase it, unless the barrier is also covered in absorbing material; noise barrier | |||
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| acoustic baffle | |||
| acoustical barrier; noise barrier; noise buffer; sound-proof wall | |||
| acoustic screen; sound resistant screen; sound shield | |||