Browse Publications Technical Papers 2010-36-0549

Sound Quality Evaluation of Chimes 2010-36-0549

The customer perception of vehicle quality and safety is associated to the interior and exterior vehicle touching, feeling and hearing. One of the items related to hearing are the chimes, which are the sounds generated for safety and warning purposes. These sounds are typically transient - harmonic or constant signals, giving to the driver and passenger information that something is not accomplished adequately. As those sounds have different purposes, each one of them has different pitch, level of intensity, duration and shape. This paper presents an objective evaluation of this kind of signal based on psychoacoustic parameters as loudness and sharpness. Besides those parameters, total harmonic distortion and wavelets are considered.


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