How works human eye and record of the matrix. More you can read here : https://www.docdroid.net/g3rsbtl/the-biggest-mysteries-of-the-world-apocalypse-2016.pdf.html
or
http://academyoflongevity.meximas.com/
Mono sound is better because it does not make disharmony in the hearing instrument. and connections in brain . The maneuver of changing frequency and stereo sound could have been a maneuver to reverse the direction of thinking. This can also be used to create new connections but these will not be perfect interplay. It is the ability of these changes are the result without intent. Simply someone introduced bad solution. I'm not sure who what want to do and for what.. Rather stereo is not good. From afar can be balanced but the stereo sound on headphones will be harmful.
