As in-vehicle audio system output level increases, so too does audio distortion. At what level is distortion audible and how is sound quality perceived as level increases? Binaural recordings of musical excerpts played through the in-vehicle audio system at various volume levels were made in the driver’s position. These were adjusted to equal loudness and played through a low distortion reference headphone. Listeners ranked both distortion audibility and perceived sound quality. The distortion at each volume level was also measured objectively using a commercial audio test system. The correlation between perceived sound quality and objective distortion measurements are discussed.

Authors: Temme, Steve; Dennis, Patrick
Affiliations: Listen, Inc., Boston, MA, USA; Nissan Technical Center North America, Farmington Hills, MI, USA(See document for exact affiliation information.)
AES Convention: 141 (September 2016) Paper Number: 9651
Publication Date: September 20, 2016
Subject: Perception

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