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Acoustic comfort of air-treatment systems: influence of factors related to room acoustics

Abstract : This study aims at dening reliable acoustic cues for the measure, characterization and prediction of the acoustic comfort of air-treatment systems (ATS). To meet customers' expectations, industrial products tend increasingly to follow a process of "sound design". In this process, the perceptual evaluation of sound quality is a necessary step to dene acoustic specications. Nonetheless, the possible inuence of factors related to room acoustics is often neglected. Contextual parameters, such as room acoustics' factors, should be integrated in the evaluation of sound quality in order to dene acoustic comfort as it is perceived in a real environment. First, a sound corpus of a reasonable size was constituted through a categorization experiment over a large recording database of dierent types of ATS. Then, an experiment was conducted to build a scale of acoustic comfort over the sound corpus and relevant acoustic features for prediction were identied. Two dierent situations were considered: diotic presentation and auralized presentation (using a 3D vector base amplitude panning system), the results of which were nally compared in order to address the relative importance of room acoustics' factors for the judgement of the acoustic comfort of ATS. PACS no. 43.66.Lj, 43.55.Hy
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Antoine Minard, Bertrand Goujard, Anas Sakout, Alexis Billon, Jean-Jacques Embrechts. Acoustic comfort of air-treatment systems: influence of factors related to room acoustics. Forum Acusticum 2011 - Aalborg - Denmark, Jun 2011, Aalborg, Denmark. ⟨hal-02447620⟩

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