From: Sar Saloth (sarsaloth_at_yahoo.com)
Date: 2002-03-12 22:31:30
At 07:05 PM 2002-03-12 +0000, you wrote:
>--- In buildcheapeeg_at_yahoogroups.com, Jim Peters <jim_at_uazu.net> wrote:
>
> > If we're working from EDF, then I'd like to see this additional
>option
> > (this could perhaps be added later if necessary):
> >
> > - EDF allows only 16-bit signed integers. I would also like the
> > option of storing 32-bit floats, just for future expandability
> > (e.g. the 18-bit or 24-bit systems that have been discussed).
> >
>
>I think it is a good idea to be able to handle 32-bit floats for
>future expandability also.
>
>Someone stated that we should store electrode placement. I would
>like to see this too.
That is part of the current EDF. This stuff is in the header for standard
electrode placements.
>I would also like to see-- electrode type and amplifier type and
>filter type setting stored for a given channnel. This data could be
>used in correcting weights used in data analysis to normalize each
>system to a standard.
That is part of the current EDF.
I hope I am not confusing these things with extensions to EDF that I saw
somewhere.
Personally, if EDF doesn't have any significant shortcomings, I would vote
for it. For a 2 channel file with 1 extra annotation channel for events
etc. the header is only 1K.
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This archive was generated by hypermail 2.1.4 : 2002-07-27 12:28:40 BST