Method and device for identifying squeaking noises
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United States of America Patent
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Oct 4, 2011
Grant Date -
Jan 22, 2009
app pub date -
Jul 7, 2006
filing date -
Aug 25, 2005
priority date (Note) -
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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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