[EEG] Fwd: open eeg/ocz nia "success"

Kelly hurtstotouchfire at gmail.com
Mon Oct 5 14:08:18 PDT 2009


Actually, I should cc the list on this.  Wiki page:
https://www.noisebridge.net/wiki/OpenEEG

Please edit away!

K

---------- Forwarded message ----------
From: Kelly <hurtstotouchfire at gmail.com>
Date: Mon, Oct 5, 2009 at 2:07 PM
Subject: Re: [EEG] open eeg/ocz nia "success"
To: Jonathan Foote <jtfoote at ieee.org>


https://www.noisebridge.net/wiki/OpenEEG

Care to merge?

K

On Mon, Oct 5, 2009 at 9:35 AM, Jonathan Foote <jtfoote at ieee.org> 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)
>
> Cheers,
>
> Jon
>
>
> 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)
>> _______________________________________________
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>> https://www.noisebridge.net/mailman/listinfo/eeg
>>
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