公开(公告)号：EP1779379A4

公开(公告)日：2007-08-22

申请号：EP05756615

申请日：2005-06-06

Applicant: MOTOROLA INC

Inventor： HARTON SARA M ,  JASIUK MARK A ,  KUSHNER WILLIAM M

IPC: G10L21/02 ,  B63C11/26 ,  G10L11/02 ,  G10L15/06 ,  G10L15/20

CPC classification number: A62B18/08 ,  B63C11/26 ,  G10L2021/03643

Abstract: A method for detecting and attenuating inhalation noise in a communication system coupled to a pressurized air delivery system, the method including the steps of: generating an inhalation noise model (912, 1012) based on inhalation noise; receiving an input signal (802) that includes inhalation noise; comparing (810) the input signal to the noise model to obtain a similarity measure; determining (854) a gain factor based on the similarity measure; and modifying (852) the input signal based on the gain factor, wherein the inhalation noise in the input signal is attenuated based on the gain factor.

公开(公告)号：EP1774513A4

公开(公告)日：2007-08-15

申请号：EP05760197

申请日：2005-06-09

Applicant: MOTOROLA INC

Inventor： KUSHNER WILLIAM M ,  HARTON SARA M ,  JASIUK MARK A

IPC: G10L15/06 ,  B63C11/26 ,  G10L11/02 ,  G10L15/20 ,  G10L21/02

CPC classification number: G10L17/26 ,  A62B18/08 ,  B63C11/26 ,  G10L15/20 ,  G10L21/0208

Abstract: A method for characterizing inhalation noise within a pressurized air delivery system, the method including the steps of: generating an inhalation noise model (912, 1012) based on inhalation noise; receiving an input signal (802) that includes inhalation noise comprising at least one inhalation noise burst; comparing (810) the input signal to the noise model to obtain a similarity measure; comparing the similarity measure to at least one threshold (832, 834) to detect the at least one inhalation noise burst; and characterizing (1354, 1356) the at least one detected inhalation noise burst.