Acoustic Revive Schumann Resonator Rsc-77r for Car
Generate the fundamental wave and the ultra-low frequency of 7.83Hz for humans to feel comfortable that occur between the ionosphere and the surface of the earth by the rotation of the earth Schumann resonance waves, there are also more than expected effect of hearing as well as the human body and brain. To generate a very low frequency of 7.83Hz artificially, we improve the state space and comfortable natural audio.