Polybench® for biosignals / reference 1.34.1
Results in one channel of which the samples are the sum of the sample values of all channels at the input.

Sum of all channels


This operator always results in one channel. The sample value at the output is the sum of all sample values at the input.

Operator ports

Input S: Floating point values

Output S_sum: Floating point values


Find more information about changing properties here: "Properties Viewer"

type: Word or phrase
The name of the object in the project. This name must not contain '.', '$' nor '@' characters.

For more information about the rules and usage of the Caption property, please refer to "Caption property - background and usage".

type: See description
Optional documentation of this object. If this object is an operator, the Documentation text is displayed below the operator symbol.


The output channel name is always 'Sigma'. The sample frequency at the output is equal to that at the input.