My hunch is that the MindAffect Speller system will be many times more affordable than the g.tec solution. Due to the nature of the type of BCI used. MindAffect uses cVEP technology, g.tec Speller ins

My intent was to test the Using OpenBCI with OpenViBE CoAdapt P300 Speller

http://openbci.com/forum/index.php?p=/discussion/206/openvibe-p300-speller-tutorial-questions#latest

Ayushmh, hi. I believe if you look through some of the past threads related to the OpenViBE P300 Speller -- I think the statement you will find is that the Speller is no longer supported on current ve

I followed Jeremy's blog step by step, I got accuracy of 84.38% but when I changed it from Calibration to Copy Mode, It won't write anything. The same happened in Fr (Free mode)

It's commonly used in BCI Speller programs.

Most spellers are based on P300.

Hi I need to implement a SSVEP keyboard to be used with OpenBCI headset. I do not know from where I should start? Did any one have a similar experience?

I have 120 ms of Stimulus Duration. Now the P3 Speller works but I have another problem with the data I save: if I open them with Matlab I have all zeros for each channel. This is not true if I use t

One more question. Time ago I use BCPy2000 and BCI2000 in order to make a BCI using a speller by regions to evoke P300. I was wondering if I can use the OpenBCI Python library and others to make this.

https://openbci.com/forum/index.php?p=/discussion/1874/openbci-cyton-with-bci2000-p3-speller-slow-buffering

Please update this thread if you get a speller going on either BCI2000 or OpenViBE. Do you know others who have had success with BCI2000 spellers?

Have you seen the other forum posts on P300 Speller, using OpenViBE? I see you are using BCI2000.

I'm working for my thesis with OpenBCI Cyton board and I want to use BCI2000 for a P3Speller task. I notice that the sample rate is 250 Hz by default, and the sample block size is 125 Hz, because it s

[P300 speller]

There are a number of EEG P300 speller programs. Search for P300 speller on the forum here to find Jeremy's tutorial (now a bit out of date.) This is a notable commercial version,

yes, it only a variant of a p300 speller. My software is psychtoolbox based on matlab. I can use a serial port for mark. Do you do this job?

@zhanglei What software are you using for the paradigm? And how does your paradigm work exactly? It seems like its just a variant of a P300 speller. 

Hello, I'm trying to implement a P300 speller as a widget screen in the Processing 3.x code of OpenBCI_GUI.  I need to record information about the flashing letter stimuli to a text file so I can matc

I am working on Brain speller using EEG. I am facing a problem in online acquisition of signals through Matlab by using Bcilab. When giving path of bcilab in Matlab,it adds all the file but then selec