Subject: Re: [linux-audio-dev] brainwave synchronisation
From: Adriaan Pelzer (adriaan_AT_trispen.com)
Date: Tue Jun 25 2002 - 10:10:29 EEST
On Tue, 2002-06-25 at 01:56, Bob Ham wrote:
> On Mon, 2002-06-24 at 18:34, Paul Winkler wrote:
> > Yes. white and pink noise would be nice too, but hey, it's your project.
>
> That just dredged up an idea long forgotten. Quite a few years ago, I
> used to use cool edit to do brainwave synchronisation with pink noise.
> Unfortunately, the wavs tended to be quite big and I stopped using it
> when space became an issue.
>
> Since then, I've had lodged in the back of my mind the idea of a program
> that allows you to sequence brainwave changes and play them back,
> generating the pink noise and doing the encoding on the fly.
>
> Does anybody know if such a program exists already, or if not, how I
> might go about doing brainwave synchronisation? I know you have a
> stereo source which has waves "added" to it with differing frequencies
> on each channel. Unfortunately, I know nothing about how to "add" one
> source to another.
>
> Any advice would be much appreciated,
>
> Bob
I think that's more or less what autozen does. I'm not sure if they're
doing it with pink noise, though. I think they use some kind of stereo
phase-shifting technique. Check it out, though - it's on Dave's site in
the "unusual" section.
Regards,
Adriaan
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