[Eeglablist] import BDF file data one channel at a time

[Alois Schloegl]

Try BIOSIG-tools http://biosig.sf.net/

[s,HDR]=sload(filename,chan);
should do what you want.

Alois



eeglablist-request at sccn.ucsd.edu wrote:

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>Today's Topics:
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>   1. import BDF file data one channel at a time (Ryan Canolty)
>   2. Re: import BDF file data one channel at a time (Jeff Johnson)
>
>--__--__--
>
>Message: 1
>From: "Ryan Canolty" <rcanolty at berkeley.edu>
>To: eeglablist at sccn.ucsd.edu
>Date: Thu, 11 Mar 2004 16:30:11 -0800
>Subject: [Eeglablist] import BDF file data one channel at a time
>
>Hello all,
>
>In my greed to gather data, I generated a massive (~2 
>gigabytes) .bdf file (Biosemi Data Format) which is 
>causing me difficulty.  I recorded 72 channels at 2048 Hz 
>sampling rate for 80 min or so.  While I know now that 
>this is not a good idea, I'd still like to use the data. 
> The only program I can get to open it is EEGLAB, and even 
>then only if I select chunks of 100 sec or so, otherwise I 
>get an out of memory error.
>
>My question:  is anyone aware of a way to read in one or 
>two channels (ideally an EEG channel and the event 
>channel) at a time into EEGLAB, rather than reading all 
>channels at once?  That way I could look at large segments 
>of the continuous EEG separately for each channel rather 
>than short snippets of all 72 channels.
>
>Thanks,
>Ryan
>
>
>
>*******************************************
>Ryan T. Canolty
>Helen Wills Neuroscience Institute
>University of California, Berkeley
>rcanolty at berkeley.edu
>*******************************************
>
>
>  
>