Abstract
This work aims to investigate the appraisal of typical urban soundscapes.
The method consists of two simultaneous on-site procedures in various
urban situations in two French cities (main thorough fares, pedestrian
precincts, playgrounds and market squares). While passers-by were
required to express their opinion about soundscapes through questionnaires,
we recorded samples of ambient sound environments and calculated
acoustic parameters. The cross analysis between survey data and acoustic
parameters indicated the sound level is appropriate to the description
of main thorough fares, but for similar sound level locations (square,
market, or playground) two further perceptive factors were remind.
The perceptual spatial dimension was correlated with acoustic indicators
as background noise or standard deviation of short LAeq, whereas
the temporal dimension revealed differences in the perceptual attitudes
of the survey respondents. The results obtained consequently identified
the limitation of matching a unique acoustic descriptor with two
cognitive representations (a global point of view versus a discrete
listening) of the same acoustic phenomenon.
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