Browse Publications Technical Papers 2006-01-2667

Objective chime sound quality evaluation 2006-01-2667

Customer perception of vehicle quality and safety is based on many factors. One important factor is the customers impression of the sounds produced by body and interior components such as doors, windows, seats, safety belts, windshield wipers, and other similar items like sounds generated automatically for safety and warning purposes. These sounds are typically harmonic or constant, and the relative level of perception, duration, multiplicity, and degree of concurrence of these sounds are elements that the customer will retain in an overall quality impression. Chime sounds are important to the customer in order to alert that something is not accomplished in a right way or for safe purposes. The chimes can be characterized by: sound level perception, frequency of the signal, shape of the signal, duration of the “beep” and the silence duration. The purpose of this work is to use psychoacoustic parameters and time-frequency tools in order to quantify the sound quality perception of chime sounds like key off headlamp on and the unclosed door with gear out of parking mode.


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