Sound Quality of Impulsive Noises: An Applied Study of Automotive Door Closing Sounds

Paper #:
  • 1999-01-1684

Published:
  • 1999-05-17
Citation:
Hamilton, D., "Sound Quality of Impulsive Noises: An Applied Study of Automotive Door Closing Sounds," SAE Technical Paper 1999-01-1684, 1999, https://doi.org/10.4271/1999-01-1684.
Author(s):
Affiliated:
Pages:
13
Abstract:
This paper discusses four general attributes which quantify the character of an impulsive sound event. These attributes include the time duration, amplitude and frequency content of the impulsive noise. A three dimensional plot relating time, frequency and amplitude have been developed for the presentation of the measured data. This format allows graphic illustration of the noise event, providing fast interpretation and communication of the measured sound.Application of this methodology to the sound of an automotive door closing event is presented here. Representative door closing sound events are analyzed, with correlation presented between the attributes above to dynamic events of the physical hardware within the door and vehicle systems. Modifications of the door-in-white, internal door hardware, seal systems and additional content are investigated for their effect on the sound quality of the door closing event.Finally, recommended values for these attributes are presented. In general, a pleasing door closing sound event will be developed if the stated values are obtained. Furthermore, general insight is also provided that would indicate how directional changes to these attributes may allow customization of the door closing sound event to achieve a desired sound quality.
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