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Anyone ever experimented with embedding DELTA waves into a production... (pg. 3)
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| fr0st |
| I think that sound has a lot to do with its awfull |
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| Stormy_T |
Actually it works based on a physical law that says when two sources of (slightly) different frequencies mix, impulse is created which freq is difference of first two. (due to constructive and destructive interferences). In order to perceive freq of say 2Hz, since your ear cannot possibly hear this is to have two coherent (sound) sources, a pure tone works best. So you need headphones, put a sine wave of say 440Hz on left ear and 442Hz on right ear. This must not mix anywhere before your brain (doent work on speakers) in order for 2Hz to be perceived (inside brain). This not only becomes a resonant freq in both of your brain hemispheres, (hemisync effect), but also puts brain in delta stage. The best meditaion is somewhere around 7Hz (theta/alpha). Of coz you need to be concentrated only on sound with as less as possible outer stimuli (closed eyes, lying down, ...). So dont think it could be used on parties. ;) What can be used to trance you up is repetative rhytmic patterns (and not much else), but thats other type of music. :)
Edit:
Brain machines on parties were used to relax you or bring you up to euphoric states. They used sound + light combination. ie: try looking at monitor flashing at 7Hz (2 colors) for some time. |
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| BOOsTER |
couldn't it work with phase?
I mean when you have a stereo wave and you put each channel to different phase they subtract each other...
when we put say 440hz in left and 447hz in right and then phase these...would it leave 7 hertz?
I am not really sure I am just trying to come up with a way so be nice on me :clown: |
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| Stormy_T |
| Thats an interesting idea with phase modulation. You could put on both left and right channels sine waves od same freq and then have LFO modulate the phase of either one of them (only one). Phase would go from 0-180deg and LFO using freq of desired brainwaves freq (say 7Hz). At a point where phase is 0, constructive interference doubles amplitude of wave and where phase difference is 180 waves simply cancel each other out. Mixing those in mono looks same like mixing those of different frequencies without any modulations, so perhaps it just might work! Anyway the key of all this is complete stereo separation of channels, they should only mix inside your brain. |
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| BOOsTER |
| quote: | | Originally posted by Stormy_T Anyway the key of all this is complete stereo separation of channels, they should only mix inside your brain. |
is this possible only on headphones? or is it achievable with speakers too? |
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| Stormy_T |
| You can't really achieve this on speakers because left and right channels mix before they reach your ears. |
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| BOOsTER |
| let's concentrate on how to make it rather than on the fact that it doesn't work :D |
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| (val)Liam |
from my understanding, the process is called "entrainment"... its the idea that when two osciallating entities are in the same environment they will eventually begin to oscialliate in sync with each other... by having sounds pan in a certain way, your brainwaves will go in sync with the panning sounds, matching the cycles of the panning sounds... this can reduce the brainwave cycles, producing the alpha, theta, or delta brainwaves (to whatever preference you desire)
an artist called mystical sun (http://www.mysticalsun.com) has a song called "journey to samadhi" which uses this technique... there is a program called "natura sound therapy" which does the same... a company called centerpointe makes "holosync" CDs which also entrain brainwaves (http://trans4mind.com/holosync/)... I'd really like to learn how to experiment with these techniques... I think it would give a really strong edge to the ambient I've been producing...
edit: I think stormy T is probably more accurate than I am... so take what I say with a grain of salt... |
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| Stormy_T |
You are right about the idea of entrainment, but not about the way brain is entrained by sound.
Tesla's findings on entrainment were transfered onto the human brain, and this brain entrainment phenomenon was called - frequency following response (FFT). More info on:
http://www.erowid.org/culture/refer...project_1.shtml
What I described earlier is the way of brain entrainment using sound waves - this technique is called "binaural beats".
Edit:
You can find some more info on binaural beats here:
http://www.brain.web-us.com/thescience.htm |
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| Rob |
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Special effects
Light panning phaser effect on the 10 Hz chord
I really wanna download this cd now:eek: |
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| staticblue |
| wow please tell us if you find it somewhere :) |
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| BOOsTER |
| quote: | Originally posted by Rob
0.5 - 1.5 Hz - Endorphin release
0.9 Hz - Euphoric feeling
2.5 Hz - Production of endogenous opiates (pain killers, reduce anxiety)
4.0 Hz - Enkephalin release for reduced stress
10 Hz - Enhanced serotonin release. Mood elevation, arousal, stimulant
14 Hz - Awakeness, alert. Concentration on tasks
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this is actually strange...you've got headphones which can play sounds at 0.5 Hz? if you do send them over to me :D |
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