CASE STUDY Nippon Expressway Research Institute Company Limited Reducing Environmental Road Noise, Japan Environmental PULSE Array Acoustics, Beamforming Noise Scope, a PULSE-based beamforming system that includes a portable half-wheel array, was delivered to Nippon Expressway Research Institute Company Limited (NEXCO RI). This customised beamforming solution is used to measure noise in areas affected by traffic and road noise. These include res

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