Abstract
Innovative action plans in noise-polluted environments require the description of the existing soundscape in terms of suitable indicators. The role of these indicators, giving the ‘‘fingerprint’’ of a fixed soundscape, would be not only to measure the improvement in the sound quality after the action taken, but also to guide the designer in the process, providing a reference benchmark. One of the open questions on new indicators is the way they relate to existing ones and to people’s perception. The present work will describe a ‘‘Sonic Garden’’ in Florence, using both the ‘‘slope’’ indicator (constructed from the LAeq time history and related in previous studies to people’s perception) and classical psychoacoustical parameters (level, spectral structure, and perceived characteristics such as loudness, sharpness, fluctuation, and roughness). The latter parameters will be acquired using a binaural technique.
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