speech power การใช้

• Acoustical speech power
• The human ear is very sensitive to the speech in the frequency band from 2khz to 4khz , but the speech power spectrum in this frequency band is very small
• All mesmeric powers such as materialization power enslaving masses for money or fame , visionary powers drishti siddha , speech powers vani siddha , curing powers , transcendental feelings powers of switching off the mind , separation of body , and many other powers , are very ordinarily found among those who practice the control of spirits pretsiddhi or smashan vidya