The following information was submitted:
Transactions: INTERNATIONAL JOURNAL of CIRCUITS, SYSTEMS and SIGNAL PROCESSING
Transactions ID Number: 19-812
Full Name: Mario Malcangi
Position: Professor
Age: ON
Sex: Male
Address: Via Comelico 39
Country: ITALY
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E-mail address: malcangi@dico.unimi.it
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Title of the Paper: Embedding a Multichannel Environmental Noise Cancellation Algorithm into an Electronic Stethoscope
Authors as they appear in the Paper: D. Della Giustina, M. Riva, F. Belloni, M. Malcangi
Email addresses of all the authors: riva@unimi.it,federico.belloni@unimi.it,davide.dellagiustina@unimi.it,malcangi@dico.unimi.it
Number of paper pages: 8
Abstract: The paper describes a multichannel adaptive algorithm for the enhancement of cardiac sounds with respect to environmental noise. It combines sounds acquired from a couple of microphones to reconstruct the transfer function of a stethoscope head and its interaction with the patient's body. This identification process allows to perform a distortion-less noise reduction. The filter is embedded into an electronic stethoscope, composed of a traditional acoustic head and an electronic section. This instrument allows to show on a display the heart sound and to store the acquisition into a removable media transferring data to a PC. A software tool able to reproduce, visualize, store and analyze cardiac sounds, for performing assisted diagnoses of cardiac diseases, completes the system. A demonstrator of the tool has been realized. Experimental results show significant improvements in noise reduction, when the filtering algorithm is applied.
Keywords: Cardiac Sounds ; Adaptive filters ; Biomedical signal analysis ; Noise cancellation ; System identification.
EXTENSION of the file: .pdf
Special (Invited) Session: A New Digital Stethoscope with Environmental Noise Cancellation
Organizer of the Session: 638-326
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