Ric, I am confused by your question. First, do you really mean supersonic, defined as greater than the speed of sound waves? I think you may mean ultrasound, defined as sound with a frequency greater than 20,000 Hz, which is approximately the upper limit of human hearing. In any case, the only way one could experiment with sounds beyond the human hearing range would be electronically or by using some sort of fauna (dogs) which can hear higher ranges than we humans can. What would be the point of experimenting with sounds we can't hear? (I tried hard to resist saying "unless we are tuning for dogs" but was unsuccessful.) <G> Regards, Clyde Hollinger, RPT Lititz, PA, USA Richard Moody wrote: > Has anyone experimented with supersonic frequencies and gotten an > audible resultant from them? If so I would be glad to hear the > details particularly if there is an easy source of supersonic > frequencies.
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