Patent ID: 7187773
Filing Date: 2007-03-06
Classification: G01M,G01N

Abstract:
1. An abnormal sound evaluation system comprising a portable sound recording device for recording a sound generated from a component in a vehicle at a location adjacent the component, and an abnormal sound evaluation device for evaluating the sound recorded, wherein: the portable sound recording device includes sound data conversion means for converting the recorded sound into digital sound data, and sound data output means for outputting the digital sound data thus converted for the abnormal sound evaluation device; the abnormal sound evaluation device includes sound data input means for receiving the digital sound data, and abnormal sound evaluation means for evaluating the sound as to abnormality based on the digital sound data inputted and outputting a conclusion of the evaluation including abnormality information about the component; and the abnormal sound evaluation device comprises data storage means for storing reference digital sound data corresponding to an abnormal sound generated when an abnormality occurs in the component in relation to incidental information about an abnormality condition; wherein the portable sound recording means is used at a site other than where the abnormal sound evaluation device is located, and the portable sound recording means and abnormal sound evaluation device are connectable to each other for bidirectional communication.