Configuration of the computation time of the features in the CursorTask application

This forum deals with BCI2000 configuration issues.
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fanny
Posts: 8
Joined: 11 May 2015, 07:41

Configuration of the computation time of the features in the CursorTask application

Post by fanny » 19 Oct 2015, 05:05

Hi everybody,

I am trying to configure the CursorTask application and I would like that the features (power spectrum) to control the BCI are computed every 20 ms using the past 500ms of data. I think "using the past 500ms of data" is controlled by the "WindowLength" parameter. However, I did not find the parameter to fix that the features are computed every 20ms.
Is it the "EvaluationsPerBin" parameter?

Thank you for your help,

Fanny

pbrunner
Posts: 344
Joined: 17 Sep 2010, 12:43

Re: Configuration of the computation time of the features in the CursorTask application

Post by pbrunner » 20 Oct 2015, 15:01

Fanny,

the WindowLength parameter [1] controls the duration of data that is used for each spectral estimate. The SamplingRate/SampleBlockSize controls the number of spectral estimates per second.

Regards, Peter

[1] http://www.bci2000.org/wiki/index.php/U ... ndowLength

fanny
Posts: 8
Joined: 11 May 2015, 07:41

Re: Configuration of the computation time of the features in the CursorTask application

Post by fanny » 28 Oct 2015, 06:28

Peter,

Thank you very much for your response. It helped me.

Regards,

Fanny

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