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Alan,<br><br>
A0 & A1 are an octave apart. :-) <br><br>
Avery <br><br>
At 02:39 PM 3/20/2006, you wrote:<br>
<blockquote type=cite class=cite cite="">
<font face="Arial, Helvetica" size=1><i>....................."I seem
to remember reading somewhere that it was around 30 hz. Very
iffy.<br><br>
/Is the point which beat rate is too fast to
<br>
be unusable for us aural tuners any higher than 12
bps? Maybe that's <br>
another measurement for an ETD./<br><br>
</i></font><font face="Arial, Helvetica" color="#FF0000"><b><u>Definitely
</u></b></font><font face="Arial, Helvetica" size=1><i> (Ric) not.
You can use 15 - 20 bps no problem. That is to say if <br>
you are comparing two intervals in which the reference note</i>
</font><font face="Arial, Helvetica" size=2 color="#FF0000"><b><u>yields
<br>
</u></b></font><font face="Arial, Helvetica" size=1><i>roughly 20 bps for
both intervals... an aural comparison is easy enough <br>
to accomplish.".............<br>
</i></font> <br>
<font face="Arial, Helvetica" size=2><b>This is the reason why AO (or A1)
is the first note or lowest note on the piano. Any frequency (read as
beat rate) lower than 27.5 Hz is no longer perceived as a sound by the
"human" brain. In theory we start to hear the separate beats or
pulses.<br>
</b></font> <br>
<font face="Arial, Helvetica" size=2><b>AF<br>
</font></b></blockquote></body>
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