View source for Time and physical dimensions of biosignals

Biosignal is a short term for all kinds of signals that can be measure from biological beings. The term biosignal means bio-electrical signal but it doesnt have to be electrical it also can be non electrical signals as well.

Electric, mechanical or chemical signals of biological origin delivered by living things can always be of interest for diagnosis, patient monitoring, and biomedical
research. 

Such biological signals, namely biosignals, as electrocardiogram (ECG),
electroencephalogram (EEG), surface electromyogram (SEMG), bioacoustic signals
(lung, heart, and bowel sounds), are usually presented by large amounts of data when
digitized for storage and analysis within a signal processing framework. 

On the contrary,
other medical information, i.e., drug description, demographic and anamnestic data, result
in substantially smaller data archives.
== Biosignal categories ==
# Bioelectric signals, i.e., ECG, EEG, and SEMG.
# Bioacoustic signals, i.e., lung sounds (LS), heart sounds (HS), and bowel sounds.

Information in biosignals is often depreciated by a disturbance or noise. Therefore
the biosignals have to be properly processed – using a transformation or filtration
to extract required information.

There are a few methods and
algorithms for biosignal processing : 1-
or 2-dimensional, in time or in
frequency distribution.

== Links ==
=== Related articles ===

=== External links ===

=== Bibliography ===

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[[Category:Biophysics]]