Noise Health Close
 

Figure 9: Equal loudness (expressed in dB) with respect to the tonal alarm in the four selected background noises and with/ without hearing protectors. Error bars designate ±1 standard error of the mean

Figure 9: Equal loudness (expressed in dB) with respect to the tonal alarm in the four selected background noises and with/ without hearing protectors. Error bars designate ±1 standard error of the mean