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Table 1: Mean (standard deviation) values of the signal-to-noise ratio (expressed in dB) over the 7 microphone locations and sound pressure levels (in dBA) at the 1m reference microphone for the two mounting conditions of the alarms

Table 1: Mean (standard deviation) values of the signal-to-noise ratio (expressed in dB) over the 7 microphone locations and sound pressure levels (in dBA) at the 1m reference microphone for the two mounting conditions of the alarms