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Sorry but there WAS an agreed standard in the original MIDI documents - C261Hz is C3. </div>
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But some companies ignored it, presumably to handle very low Cs.<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Synth-diy <synth-diy-bounces@synth-diy.org> on behalf of Tom Wiltshire <tom@electricdruid.net><br>
<b>Sent:</b> 10 February 2024 22:32<br>
<b>To:</b> Jean-Pierre Desrochers <jpdesroc@oricom.ca><br>
<b>Cc:</b> SDIY <synth-diy@synth-diy.org><br>
<b>Subject:</b> Re: [sdiy] First C key name and MIDI note values of 32 keys church organ pedal board ?</font>
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<div class="" style="word-wrap:break-word; line-break:after-white-space">There is no agreed standard as to what constitutes "C0" or "C3" or "C4", so you won't find that.
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<div class="">The lowest MIDI note 0 is a C and has a pitch of 8.18Hz. If you assume that Middle C (261.6Hz, the one below concert A) is C4, then that lowest C is C-2. But as mentioned, you'll see other interpretations. What doesn't change is the frequency.
The "octave number" is arbitrary depending where you begin.</div>
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<div class="">On 10 Feb 2024, at 21:35, Jean-Pierre Desrochers <<a href="mailto:jpdesroc@oricom.ca" class="">jpdesroc@oricom.ca</a>> wrote:</div>
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Does anybody know what is the first MIDI key note value of a 32 keys church organ pedal board ?</div>
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The pedal board starts with a C key then goes up 2 octaves and a half to the final G key.</div>
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But I cannot find what would be the MIDI first C key note value..</div>
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C0, C1, C2 ?? and what is the MIDI note value of it ?</div>
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I have a MIDI controller keyboard which has 36 (0x24) as the first C key MIDI note value.</div>
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Read with MIDI-OX MIDI utility program..</div>
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So… Any clue for the name and MIDI note value for the first C key ?</div>
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Thanks !</div>
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