According to Bentov, this change in resonance results from elimination of what the medical profession calls “the bifurcation echo” so that the sound of the heartbeat can move synchronously up and down the circulatory system in harmonious resonance approximately seven times a second.
It is also designed to achieve the physical quietude characteristic of deep transcendental meditative states which brings about a complete alteration of the fundamental resonance pattern associated with the sound frequencies produced by the human body.