Aggregate subjective ratings of airborne sound insulation
AbstractThis paper reports the results of a survey of sound insulation between homes in multi-family dwellings. The survey included interviews of 600 subjects and airborne sound insulation measurements of their 300 party walls. The subjects lived in both row housing and multi-floor apartment buildings in three different Canadian cities. The questionnaire first asked about general issues concerning the subjects building followed by more specific questions rating the sound insulation and the audibility of various noises. Sound transmission loss measurements were made in 1/3-octave bands from 100 to 4000 Hz. In addition to the standard ISO and ASTM single number ratings, 20 other single number sound isolation measures were calculated.
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