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<p style="margin-top:0;margin-bottom:0"><font face="arial" size="2"><span style="font-size: 14pt;">Tom - good question. </span></font></p>
<p style="margin-top:0;margin-bottom:0"><font face="arial" size="2"><span style="font-size: 14pt;"><br>
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<p style="margin-top:0;margin-bottom:0"><font face="arial" size="2"><span style="font-size: 14pt;">I recall hearing David's presentation and simultaneously thinking that a variable</span><span style="font-size: 14pt;">-slope filter would do the job. But the
fact that it was to mind may have been that it might have been in his Preprint, or perhaps he mentioned it during the talk, or just that half the people there were probably thinking the same thing!</span></font></p>
<p style="margin-top:0;margin-bottom:0"><font face="arial" size="2"><span style="font-size: 14pt;"><br>
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<p style="margin-top:0;margin-bottom:0"><font face="arial" size="2"><span style="font-size: 14pt;">I suspect than the thinking was whether or not, given that a spectral shape changing with the amplitude was an essential idea, if this was a better way than just
moving the cutoff. And of course, exactly how would we change (approximately enough) the slope. </span></font></p>
<p style="margin-top:0;margin-bottom:0"><font face="arial" size="2"><span style="font-size: 14pt;"><br>
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<p style="margin-top:0;margin-bottom:0"><font face="arial" size="2"><span style="font-size: 14pt;">The Electronotes 224</span></font></p>
<p style="margin-top:0;margin-bottom:0"><font face="arial" size="2"><span style="font-size: 14pt;"><br>
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<p style="margin-top:0;margin-bottom:0"><font face="arial" size="2"><span style="font-size: 14pt;"><a href="http://electronotes.netfirms.com/EN224.pdf" class="OWAAutoLink" id="LPlnk912159" previewremoved="true">http://electronotes.netfirms.com/EN224.pdf</a></span></font></p>
<p style="margin-top:0;margin-bottom:0"><font face="arial"><span style="font-size: 18.6667px;"><br>
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<p style="margin-top:0;margin-bottom:0"><font face="arial"><span style="font-size: 18.6667px;">is probably worth your trouble.</span></font></p>
<p style="margin-top:0;margin-bottom:0"><font face="arial"><span style="font-size: 18.6667px;"><br>
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<p style="margin-top:0;margin-bottom:0"><font face="arial"><span style="font-size: 18.6667px;">Bernie </span></font></p>
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