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<DIV><STRONG><FONT face=Arial>Hi,</FONT></STRONG></DIV>
<DIV><STRONG><FONT face=Arial>How about Dr. Sanderson's Beat Rater.
</FONT></STRONG></DIV>
<DIV><STRONG><FONT face=Arial><A
href="http://www.accu-tuner.com/index1.html">www.accu-tuner.com/index1.html</A></FONT></STRONG></DIV>
<DIV><STRONG><FONT face=Arial>Regards,</FONT></STRONG></DIV>
<DIV>John M. Ross<BR>Windsor, Nova Scotia, Canada<BR><A
href="mailto:jrpiano@win.eastlink.ca">jrpiano@win.eastlink.ca</A></DIV>
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style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=tcole@cruzio.com href="mailto:tcole@cruzio.com">Thomas Cole</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=mark.davidson@mindspring.com
href="mailto:mark.davidson@mindspring.com">Mark Davidson</A> ; <A
title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Saturday, September 20, 2003 6:38
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Beat Rate Counter</DIV>
<DIV><BR></DIV>Mark D., <BR><BR>If you want to know the actual beat rate of an
interval, wouldn't you need to measure the frequencies of the coincident
partials rather than computing from the fundamentals?<BR><BR>Tom
Cole<BR><BR>Mark Davidson wrote:<BR>
<BLOCKQUOTE cite=mid003101c37f5d$d9e8bae0$6400a8c0@earthlink.net
type="cite"><BLOCKQUOTE type="cite"><PRE wrap="">Hi Pianotech List Readers,
Do any of you know of an electronic beat rate counter? I want to be able to
measure the beat rates of intervals. I think the faster intervals, 3rds, 6ths,
12ths, would be countable.
Mark Krag RPT
</PRE></BLOCKQUOTE><PRE wrap=""><!---->
You can figure out beat rates of fundamentals without too
much trouble using any ETD that shows frequencies.
Frequency ratios of pure intervals are
5th 3:2
3rd 4:3
6th 9:8
12th 3:1
Example (5th):
A 440
E 659.25
Compare 659.25/3 and 440/2 (=219.75 and 220).
Difference, .25, is the beat rate.
-Mark Davidson
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