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 Post subject: gdf file and eeg device
PostPosted: Wed Apr 28, 2010 12:35 pm 
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Joined: Wed Apr 28, 2010 12:18 pm
Posts: 4
is any eeg module give signals in gdf file
if there isnot
what is the possible existed formats and how to use it in openvibe?

edit by yrenard: no need to use bigger fonts, thanks


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PostPosted: Thu Apr 29, 2010 1:41 pm 
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Joined: Mon Jan 18, 2010 4:54 am
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Hi,
I am not sure to understand what you want...
Nevertheless take a look at "GDF File Reader" and "GDF File Writer" boxes.

http://openvibe.inria.fr/documentation/unstable/Doc_BoxAlgorithm_GDFFileWriter.html

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PostPosted: Thu Apr 29, 2010 3:46 pm 
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Dear mshh,

if you're ok to use GDF files, then what nbaron said is perfect.

If you want a convenient way to read your files from another application, have a look to the CSV file writer. It is basically a text file with coma separated fields

Hope this helps,
Best regards,
Yann

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PostPosted: Sat May 01, 2010 9:53 pm 
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Joined: Wed Apr 28, 2010 12:18 pm
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i mean i want to take signals from eeg module was recorded for pateint
these signal is recorded in file right !
i ask waht is the formats of this file because i want to read it in vibe software


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PostPosted: Mon May 03, 2010 12:29 pm 
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Joined: Wed Oct 07, 2009 12:11 pm
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Hi mshh,

If you are using openvibe to record your EEG data, then the format of the files depends on what file writer you were using.

If you recorded your data using a GDF file writer box, then the format is GDF, and you need to use the GDF file reader box to read the data for any offline processing.

If your EEG data come from another software (for example a proprietary software given by the EEG manufacturer), then we can't know what is the format of your data files ! But you can ask the manufacturer...

for recall (from FAQ) here is the current openvibe capabilities :
Quote:
File reading and writing
- Generic files (r/w) (a.k.a. openvibe format)
- GDF files (r/w)
- BCI Competition IIIb (r)
- Brainamp files (r)
- CSV files (w)

Regards

Laurent

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