1990-02-01

Measurement of Acoustical Response of Automotive Cabin Interior 900047

We report measurements of interior automotive cabin forced acoustical response (SPL) as a function of frequency from 1 Hz to 200 Hz. The acoustical response was measured at eight positions in the vehicle tested, approximating the positions of passengers and points in between passengers. Variances in experimental data arising from the manner in which measuring equipment is setup in a particular vehicle are reported, and variations in data taken in similarly equipped vehicles are also reported. The purpose of these tests is to determine the measurement variability of a typical vehicle acoustic test.

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