[EEG] open eeg/ocz nia "success"
josh at anarkiwi.com
Mon Oct 5 09:41:28 PDT 2009
Right on. I'm open to some arm twisting to contribute my boards to the
common cause, since two channels are pretty boring. :-)
I have some ML and some signal processing skillz, and some software, and
some generic electronics/electrical engineering... would love to help out
if I can.
On Mon, 5 Oct 2009, Jonathan Foote wrote:
> Hey Josh,
> Welcome! Our group has lost a little momentum so it's great to hear
> from new people.
> Our grand plan was to build a multi-channel rig using multiple
> OpenEEG boards. Several of us have built two-channel versions; the
> digital motherboard will support up to six (three analog boards). We
> have acquired a 19(?) -electrode head cap and Tracy built a nice
> enclosure with mini-XLR jacks. We have some neurobiology, signal
> processing and machine learning expertise on board, so now I think all
> we need to do is to put everything together!
> If you want to, skim the mailing list archives
> https://www.noisebridge.net/pipermail/eeg/ and we look forward to
> meeting you in person.
> (To the group: I noticed our wiki page either disappeared in the reorg
> or never existed, so I made one: https://www.noisebridge.net/wiki/EEG)
> On Sun, Oct 4, 2009 at 11:56 PM, Josh Bailey <josh at anarkiwi.com> wrote:
> > What an inspiration it is to have other local enthusiasts. Found I had an
> > obsolete motherboard with a real parallel port on it, and lashed it
> > together long enough to run Linux off of DVD and run sp12 on it.
> > Now my openeeg is breathing and I can get a test pattern all the way
> > through from the analog board. Nice.
> > I suppose the next stage is electrodes. Oh well. Back to the day job for
> > now.
> > On Mon, 5 Oct 2009, Josh Bailey wrote:
> >> Hi all;
> >> Am completely new to the group; happy that there are other people local
> >> playing with this stuff!
> >> Seen some discussion re both OpenEEG and the OCZ NIA.
> >> I have an OCZ NIA and have gotten some joy, with some very very hacky code
> >> just reading from Linux USB HID "stack" (on taking this guy to pieces it's
> >> seems to be just an audio b/w stereo DAC that just streams samples at you
> >> all day long):
> >> http://casuallethality.com/?p=199
> >> I freely admit I have no real clue, but I think I have gotten beta out of
> >> it at 28Hz (and a big 60Hz spike where I expect it to be). Perhaps someone
> >> with more clue than I would care to venture an opinion as to whether my
> >> results are plausible? I'll happily share my code with other OCZ owners
> >> (well, anyone really).
> >> If I'm going in the right direction figured it might make more sense to
> >> record a lot more data (say, overnight), so ICA has something to feed on.
> >> Bit challenging with this device as it's only two channels, the electrodes
> >> are pretty perspiration sensitive, and the device's grounding SUCKS!
> >> Regarding OpenEEG - I have built up both an analog and digital board pair,
> >> but I don't have an old Windows box to program the Atmel on the digital
> >> board (I'm an all Linux/Mac shop, one has one's principles).
> >> I don't suppose anyone would happen to be willing to flash my Atmel so I
> >> don't have to buy an old clunker and put Windows on it? Programmer won't
> >> work under Vista because of excessive parallel port HAL, and it wants to
> >> bit bang - I think - I am not a strong enough Windows guy.
> >> Last thing. Friend of mine at the VA is studying whether concussion
> >> injuries can be diagnosed by EEG. She keeps claiming to be able to give me
> >> some 256-channel recordings - I will follow that up. If it's OK with
> >> her/ethics/anonymised and all that will seek permission to obtain and
> >> share it (at the very least may be a good control set vs. homebrew).
> >> Sorry for the long post,
> > --
> > Josh Bailey (josh at anarkiwi.com)
> > _______________________________________________
> > EEG mailing list
> > EEG at lists.noisebridge.net
> > https://www.noisebridge.net/mailman/listinfo/eeg
Josh Bailey (josh at anarkiwi.com)
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