The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 2019
Filed:
Oct. 09, 2014
Applicant:
Snecma, Paris, FR;
Inventors:
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 15/14 (2006.01); G01N 29/14 (2006.01); G01N 29/44 (2006.01); H04R 29/00 (2006.01);
U.S. Cl.
CPC ...
G01M 15/14 (2013.01); G01N 29/14 (2013.01); G01N 29/4436 (2013.01); G01N 29/4454 (2013.01); H04R 29/005 (2013.01); G01N 2291/2693 (2013.01); H04R 2499/13 (2013.01);
Abstract
A method for the acoustic analysis of a machine (M) including the acquisition of at least one acoustic signal supplied by at least one microphone () positioned in the machine, characterized in that it comprises the following steps: separation of at least one acoustic signal into a plurality of sound sources, the signal being modelled as a mixture of components, each one corresponding to a sound source; for at least one separated sound source, determination of a characteristic acoustic signature; comparison of at least one characteristic acoustic signature with at least one reference acoustic signature recorded in a reference database ().