Method and device for identifying squeaking noises

Details Method and device for identifying squeaking noises Method and device for identifying squeaking noises

2006-07-07

2011-10-04

Williams, Hezron E (Department: 2856)

Measuring and testing

Vibration

Sensing apparatus

C073S579000

Reexamination Certificate

active

08028583

ABSTRACT:
A method for detecting squeaking noises within a sound signal generated during operation of a motor vehicle or during operation of a component thereof is described; in this method the sound signal is detected; an amplitude spectrum of the sound signal representing the amplitude distribution in a frequency range is generated at a minimum of two points in time and the existence of a squeaking noise is detected by analysis of the at least two amplitude spectra.

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