Welcome to bianural beats! It is pretty cool the first time you experience it. I was using monitors, not headphones before, completely missing the connection. I didn't realize until now how cymatics and binaural recordings were linked. the thread's entitled binaural but it's really about cymatics (or is it?). If you remove the left of right signal the effect is gone. Now put both on now you hear the modulation. Then left of right on, you'll hear also a constant tone. use headphones, first put only the left side over your ears, you will hear a constant tone.
But again, it's VERY inexact and works differently on different people.ĭjod wrote:If you want to hear/experience a binural beat you could try is a 400hz sine left and a 410 sine right. So, then, the goal is to recreate specific states that may be normally inaccessible to people who haven't done a lifetime of meditation or other mental practice. In fact, this spectrum looks just like a typical audio spectrum except that it's in much lower frequency range. Some components are 'louder' then others. In the book they show how each state recorded is a spectrum of low frequency components. Maxwell and Nona recorded the eeg states of various people with exceptional abilities. One of the most interesting books about this is called 'The Awakened Mind' by C Maxwell Cade & Nona Coxhead. When you hear someone talking about delta, theta, alpha, beta, gamma in relation to EEG they generally mean that the STRONGEST component is either Delta ( 0.1-3hz), theta (4-8hz), alpha (8-12hz), beta (12hz-36hz), gamma (36hz+) BUT there always exist a mixture of other components at different frequencies. These components generally range from under 1hz to over 50hz - the most important range seems to be 1hz - 20hz. By state I mean a specific measurable signal that is composed of very low frequency components. Still, by using the principles of frequency following and for some unknown reason we can cause the EEG patterns in the brain to move towards a specific 'state'. Bottom line, EEG patterns are the result of very complex processes and a very gross way to measure what is really happening. Think about recording the activity of New York City by holding a microphone a mile above it all and then trying to understand what is going on down below. Of course the brain is an INCREDIBLY complex device and what the EEG records is only the sum total of signals available and measured at a specific location on the scalp. When you connect an EEG to a human subject, you are able to record the electrical impulses created in the brain. BUT, this is really a very inexact science. Well, the goal is to attempt to recreate particular 'states' through frequency following.
As far as I know it is the actuall creation of the binaural beat in your brain that can effect your state of consciosness and the same result is not found from listening to a beat created by mixing two sine waves in the air.ĭjod would a more complex modulation of 1hz+3hz+10+etc bring. If you pull one ears headphone off you will hear a pure tone in the remaining headphone, and vis versa. The pulsing frequency you hear when you have a sine wave of different frequency coming in each ear is created in your brain. This is a really important and interesting fact. The reason being that then the beat frequency is actualy being created in your brain, not in the interference of the sine waves in the air. Haven't tried it but I think you could take yourself on quiet a trip.Īlso worth mentioning that from what I have read binaural beating really only works with headphones. So maybe you start out at an alpha frequency then move down to theta or delta and then alfter spending some time there move up to beta or gamma to end the session. I think an interesting thing to try would be to slowly, (like over the course of hour or more) to smoothly change the beating frequency. (Please correct me if I am wrong on this, I am not an expert) As far as I know most of the clinical application of this technique uses just a single beating frequency. If you start mixing beating frequencies you won't know what qualities that you are experiencing are resulting from what frequencies. I definitely think that sticking with pure sine waves is the way to get the best results, especially if you are just starting to play with this. I have used Absynth in the past but anything will do. I would create different 'beating' frequencies depending on whether I was aiming for alertness, relaxation, deep awareness etc.Īny synth with two sine wave oscillators, or two synths with one sine wave oscillator each should work fine. I've made binaural beats and used them as meditaion tools.
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