Field Evaluation of Reflected Noise from a Single Noise Barrier—Phase 1 (2016) / Chapter Skim
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1 E X E C U T I V E S U M M A R Y This research studied, through field measurements and audio recordings, the possible change in sound levels and sound characteristics caused by sound reflections off a reflective (non-absorptive) noise barrier on the opposite side of a highway.
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2 Inversion)
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3 An additional observation is that there is evidence that the barrier effect is more pronounced at farther distances from the road. It is assumed that the path length difference between direct and reflected sound is one of the variables controlling the strength of the effect seen from barrier reflections (smaller difference = greater effect)
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