Device for assistance in the analysis of adventitious sounds

Details Device for assistance in the analysis of adventitious sounds Device for assistance in the analysis of adventitious sounds

A - Human Necessities

61

B

A61B 7/00 (2006.01) A61B 5/00 (2006.01)

Patent

CA 2445241

The invention concerns a device for assistance in the analysis of adventitious sounds, such as wheezing or crackling sounds. The invention is characterised in that said adventitious sounds are located on time/frequency spectral representations and parameterised according to a set of coefficients characterising them. Said sets of coefficients are stored in a storage unit for establishing a database or compared to synthesized sounds, based on parameters retrieved from such a database.

L'invention concerne un dispositif d'aide à l'analyse de bruits adventices, tels que des sibilances ou des crépitants. Selon l'invention, ces bruits adventices sont repérés sur des représentations spectrales en temps/fréquences et paramétrés selon un jeu de coefficients qui les caractérisent. Ces jeux de coefficients sont stockés en mémoire pour l'élaboration d'une base de données ou encore comparés à des sons synthétisés, à partir de paramètres tirés d'une telle base de données.

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