EAN: 9783031004896

SYNTHESIS LECTURES ON BIOMEDICAL ENGINEERING ...

Breath sounds have long been important indicators of respiratory health and disease. Acoustical
monitoring of respiratory sounds has been used by researchers for various diagnostic purposes.
A few decades ago  physicians relied on their hearing to detect any symptomatic signs in
respiratory sounds of their patients. However  with the aid of computer technology and digital
signal processing techniques in recent years  breath sound analysis has drawn much attention
because of its diagnostic capabilities. Computerized respiratory sound analysis can now
quantify changes in lung sounds  make permanent records of the measurements made and produce
graphical representations that help with the diagnosis and treatment of patients suffering from
lung diseases. Digital signal processing techniques have been widely used to derive
characteristics features of the lung sounds for both diagnostic and assessment of treatment
purposes. Although the analytical techniques of signal processing are largely independent of
the application  interpretation of their results on biological data  i.e. respiratory sounds 
requires substantial understanding of the involved physiological system. This lecture series
begins with an overview of the anatomy and physiology related to human respiratory system  and
proceeds to advanced research in respiratory sound analysis and modeling  and their application
as diagnostic aids. Although some of the used signal processing techniques have been explained
briefly  the intention of this book is not to describe the analytical methods of signal
processing but the application of them and how the results can be interpreted. The book is
written for engineers with university level knowledge of mathematics and digital signal
processing.

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