On Mon, 18 Oct 2010 17:26:33 -0500, John Hasler wrote: > Camaleón wrote: (Hey, I didn't say that. Please, care your "quoting") :-) >> It might be the sampling frequency. 28000 Hz is quite big, even if we >> can hear until 200000 Hz. > > No you can't. Perhaps to 20000Hz or a bit above if you are small and > young. Greetings, -- Camaleón