[sdiy] First C key name and MIDI note values of 32 keys church organ pedal board ?

[Mike Bryant]

Sorry but there WAS an agreed standard in the original MIDI documents - C261Hz is C3.
But some companies ignored it, presumably to handle very low Cs.
________________________________
From: Synth-diy <synth-diy-bounces at synth-diy.org> on behalf of Tom Wiltshire <tom at electricdruid.net>
Sent: 10 February 2024 22:32
To: Jean-Pierre Desrochers <jpdesroc at oricom.ca>
Cc: SDIY <synth-diy at synth-diy.org>
Subject: Re: [sdiy] First C key name and MIDI note values of 32 keys church organ pedal board ?

There is no agreed standard as to what constitutes "C0" or "C3" or "C4", so you won't find that.

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.

On 10 Feb 2024, at 21:35, Jean-Pierre Desrochers <jpdesroc at oricom.ca<mailto:jpdesroc at oricom.ca>> wrote:

Does anybody know what is the first MIDI key note value of a 32 keys church organ pedal board ?
The pedal board starts with a C key then goes up 2 octaves and a half to the final G key.
But I cannot find what would be the MIDI first C key note value..
C0, C1, C2 ?? and what is the MIDI note value of it ?
I have a MIDI controller keyboard which has 36 (0x24) as the first C key MIDI note value.
Read with MIDI-OX MIDI utility program..
So… Any clue for the name and MIDI note value for the first C key ?
Thanks !

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