| Summary: | <p><span>The article examines perceptual aspects of timbre within the context of avant-garde XX<span> century music. An excerpt from a work by Luciano Berio was taken into account. We recorded it<span> on 8 separate channels each of them devoted to small groups of homogeneous sounds, in order to<span> obtain a global result that we could modify by subtracting one or more of the recorded groups.<span> We prepared four different excerpts: one with the original version and three with modified<span> versions. 50 participants (25 experts, 25 non-experts) were invited to fill in a semantic<span> differential bipolar scale made of 12 adjectives, 6 concerning emotional and 6 sensorial aspects<span> of perception. We interpreted the subjects’ responses with the help of a spectrographic analysis<span> and of studies on timbre verbalization. The main aim of our research was to explore the<span> possibilities of timbre analysis, a field that so far has no solid scientific background. The<span> research obtained promising responses from expert listeners, while non-experts manifested a sort<span> of aesthetic refusal of this genre of music. Positive results were obtained also in the critical<span> observations of possibilities and limits of spectrographic analysis and verbalizations of timbre.<span> We hope that our initial data can be useful for future studies on timbre perception.</span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
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