You could do an active filter w/ a BW limit.... On Mon, 2008-09-08 at 15:34 -0700, Paul Fletcher wrote: > > > Jack Smith-6 wrote: > > > > It suggests that perhaps you were hearing the artifacts > 4 KHz, such > > as the 12 KHz with modulation sidebands or the one at 3.9 KHz. Maybe you > > were not hearing the artifacts directly but beats amongst them? > > > > It's difficult to know. It's definitely high in frequency because I couldn't > hear it in my right ear which has some HF loss (sadly don't have a > calibration curve :-) ) Any ideas as to how this could be tracked down? > > This needs a better fix though because of the overall attenuation the filter > introduces. > > 73 > Paul.
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