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Hi, Dr. Schalk:

We want to make some changes to the P300 Speller 6x6 matrix. For example, can we delete the space button "Sp", and instead add the delete button "del"? Also, where can we get the source code for the P300 Speller 6x6 matrix? We believe that the current source code we have is for an older version[we downloaded it from BCI2000 wiki site].

Yueqing,

The P3Speller supports any matrix size, has user-definable content for each cell (e.g., such as delete instead of space), and can even have multiple menus.

All of this can be configured, in the P3Speller tab, without changing the code. It is fully documented in the P3Speller documentation that comes with the system. Please read this document for further information.

Gerv

Hi, Dr. Schalk:

Can we change the color of the context and text of the P300 Speller matrix? (The original one has a black context, and white letters.)

Thanks.

Yueqing,

Please consult the "P3Speller for BCI2000.pdf" file on page 11 and 12. If this for some reason did not make it in the packaged executables, please browse to

http://www.bci2000.org/tracproj/browser ... %20Speller

Best,
Gerv

Dear,

the link below can not be visited.

http://www.bci2000.org/tracproj/browser ... %20Speller ----------->P3Speller for BCI2000.pdf

Could anyone give me the new url link, or tell me where I could find this p300 document pdf file?

Hi,

documentation for all modules of BCI2000 is now in the wiki:
http://www.bci2000.org/wiki/index.php/U ... ce:Filters

Specifically, for P3Speller configuration, see
http://www.bci2000.org/wiki/index.php/U ... pellerTask
and
http://www.bci2000.org/wiki/index.php/U ... oralFilter

Regards,
Juergen

Mellinger. Thanks for your information. I would study them.

Hi,
Does anybody have P300 matrix speller source code?
I want to run it without BCI2000 software.

Best regards
Yalda Shahriari