OpenViBE forum

Dear Shodan, inpout32 and presage libraries are optional indeed. This means that if these libraries are not found, the parts of the software using these libraries will be deactivated. These libraries are used by the coadapt P300 speller only, so if you're not using it, it won't impact you at all. I ...

Hi Peter

1) Indeed there seems to be a bug with ACQUIRE button which cannot be triggered with keystroke... We're about to fix this issue for the next release!

2) Here is a page showing the change log for v 1.0.0 and v 1.0.1: viewtopic.php?f=1&t=9435

Best regards

The p300 speller in this folder is about to be deprecated. I recommend to use the scenarios in folder p300-coadapt-stimulator. They have to be used in concert with openvibe-p300-coadapt-stimulator application, that can be found in the dist folder.

The p300 speller in this folder is about to be deprecated. I recommend to use the p300-coadapt-stimulator. The scenarios provided in this folder (p300-coadapt-stimulator) contain some information about how to use them. The scenarios have to be used in concert with openvibe-p300-coadapt-stimulator ap...

Regarding the P300 speller grids, you can edit the configuration files for the grids located in dist/share/openvibe/applications/CoAdaptP300Stimulator. There are several xml files describing the layout of the grids. You can edit your own one and specify it in P300AcquisitionConfig.conf (CoAdaptP300_...

We have recently released version 1.0 that solves many issues. Could you try with this version and see if you still have the problem ?

What version of OpenVibe do you use ?

Hi Jim Actually the accuracy computed by the cross-validation tests is skewed because it doesn' t account for the ratio between positive and negative flashes. Therefore, if you have one positive flash out of five in the training set, then an accuracy of 80% means than the classifier doesn't perform ...

The keyboard layout and content are described in an xml file in dist/share/openvibe/applications/CoAdaptP300Stimulator.
You can set the CoAdaptP300_KeyboardLayout setting in P300AcquisitionConfig.conf to specify which keyboard layout to use, after editing yours.

You will find on this web page a tutorial showing how to use a VRPN server in OpenVibe:
http://openvibe.inria.fr/vrpn-tutorial- ... plication/