Maps and journeys - Binaural sound research

what is binaural sound- 

1. Binaural recording is a method of recording sound that uses two microphones, arranged with the intent to create a 3-D stereo soundsensation for the listener of actually being in the room with the performers or instruments.

what is binaural beats - 

The sensation of auditory binaural beats occurs when two coherent sounds of nearly similar frequencies are presented one to each ear with stereo headphones or speakers.

The brain integrates the two signals, producing a sensation of a third sound called the binaural beat.

For example, if a frequency of 100 Hz is played in one ear and 107 Hz is played in the other ear, a binaural beat of 7 Hz is created by the brain.

Brain waves match or “follow” the binaural beat. If the binaural beat is 7 Hz, an increase in brain waves of 7 Hz occurs.

Brain Waves & Consciousness
Beta (13-26 Hz) Alert concentration and problem-solving
Alpha (8-13 Hz) Alert relaxation
Theta (4-7 Hz) Deep relaxation and increased learning
Delta (1-3 Hz) Deep sleep

an example of the sound it creates is this - https://www.youtube.com/watch?v=dX_xgkv9MT8

how can you make it 

here is a tutorial on how to make binoral beats in adobe audition 

https://groups.yahoo.com/neo/groups/bwgen/conversations/topics/12754