OpenViBE forum

So, when trying to read those files on Matlab, I do have this column called "EDFAnnotations", but it does not show when the target letter was flashed during the test, and that is exactly what I need to know. Am I missunderstending the information on the column or this information is not inserted the...

Hi all,

I'm a beginner with Openvibe needing some help. I've been using Emotiv Epoc + openvibe P300 speller paradigm. Does anyone know how to export the recorded data (data + events) so I can analyze it in another software such as Matlab?
Thanks.

Hello, I've been recording some .ov data on openvibe, using EmotivEPOC on the P300-Speller-xDawn procedure. However, when I try to use it on Scilab/Matlab, converting it to an .EDF file, I can visualise the raw data, but I cannot see when the stimulus are being sent. Where/how can I read the EDF fil...

Hi, I've been trying to use the Emotiv EPOC headset along with OpenVibe to Spell words by the P300 Speller co-adapt scenario. I do the calibration phase and the signal obtained is quite good. I run the train xDawn and the train classifier and both seems to work properly (they stop automatically, cla...