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Figure 2. Comparison of mean airborne sound levels (re 20ěPa) measured at several locations inside: ID15, sleeping room at highest annoyance; ID20, sleeping room at lowest annoyance; ID02, alternating sleeping apartment in the neighbourhood; ID39, house of family O. in the neighbourhood.

Figure 2. Comparison of mean airborne sound levels (re 20ěPa) measured at several locations inside: ID15, sleeping room at highest annoyance; ID20, sleeping room at lowest annoyance; ID02, alternating sleeping apartment in the neighbourhood; ID39, house of family O. in the neighbourhood.