[FieldTrip] signal acquisition with Biosemi
Hamza Fawzi Altakroury (Student)
hamzaf at sabanciuniv.edu
Fri Feb 10 06:26:22 CET 2012
I tried the biosemi2tf.exe command it works well on Windows.
But, unfortunately I don't know about the Mac OS.
On Thu, Feb 9, 2012 at 9:37 PM, Sophie ADAMA <adama.sophie at gmail.com> wrote:
> Thanks for your response.
> I tried that but I get this: *command not found*. I am using Mac OS Lion.
> Any suggestions?
> Le 09.02.12 17:56, Robert Oostenveld a écrit :
> On behalf of Philip...
> On 9 Feb 2012, at 15:31, Philip van den Broek wrote:
> Dear Sophie and Hamza,
> The connection between the Biosemi Active2 system and the FieldTrip buffer
> is handled by interfacing software biosemi2ft (part of fieldtrip), and
> should be started from the terminal (mac) or command prompt (windows).
> The interfacing software is located in the FieldTrip folder:
> The BioSemi system needs a configuration (.cfg) file in which some
> acquisition-related settings are specified. Configuration files for the
> BioSemi system specify for example from how many channels data should be
> streamed and/or recorded, and whether the data should be downsampled. For
> more information about configuration files for different acquisition
> systems, see the Fieldtrip website<http://fieldtrip.fcdonders.nl/development/realtime/biosemi>
> To start the buffer that connects to the Biosemi Active2, open the
> terminal (Mac) or command prompt (PC) and in the folder where you would
> like to save your data execute (change path according to your system and
> location of fieldtrip toolbox):
> ../fieldtrip/realtime/acquisition/biosemi/biosemi2ft <config_file> <gdf-file> <hostname> <port>
> <config_file>: configuration file
> <gdf-file>: base name of the gdf file. The suffix .gdf and session counters will be added automatically.
> <hostname>: optional, default is 'localhost', specify '-' to spawn a local buffer (recommended)
> <port>: optional, default is 1972
> an example:
> ../fieldtrip/realtime/acquisition/biosemi/biosemi2ft myconfig.cfg myfile - 1972
> Note that the manually specified name of the file will overwrite any
> existing file, so make sure myfile.gdf doesn't exist.
> Once this is running, you get access to the data through the fieldtrip
> buffer filled with data by biosemi2ft, i.e., fieldtrip fileio functions
> give you access to the data:
> ft_read_header('buffer://localhost:1972'), or
> For further information, see fieldtrip website.
> (more info on how we use the system at our department can be found here:
> Hope this helps you to get things running in your place. If you have any
> further questions, just let me know.
> Best regards,
> Philip van den Broek
> Radboud University Nijmegen
> Donders Institute for Brain, Cognition and Behaviour
> Centre for Cognition
> P.O. Box 9104, 6500 HE Nijmegen
> Montessorilaan 3, 6525 HR Nijmegen
> The Netherlands
> fieldtrip mailing listfieldtrip at donders.ru.nlhttp://mailman.science.ru.nl/mailman/listinfo/fieldtrip
> fieldtrip mailing list
> fieldtrip at donders.ru.nl
Hamza Fawzi Altakroury
Graduate student - MA
Faculty of Engineering and Natural Sciences
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