Re: [jOrgan-user] Question about MIDI CC 7 or CC11

[John B. <jbe...@gm...>]

JohnR., sorry, I thought you meant the volume levels of the individual
ranks on the alternate page of console showing the sliders for them in your
Romantic Harmony disposition.  Nice job!  I have used it.   I suspect that
midi-equipped organs from organ manufacturers would use controller CC#7 for
volume control and CC#11 for expression.   My observations about the
difference in the effect of CC#11 as contrasted with CC#7 is, still, true.
CC#11 is smoother, without the hesitations and objectionable, audible
static of CC#7.   This is or was an electrical issue that was noticeable in
.mid file playback, where there were abrupt changes in volume messages.
The "event list" of the .mid file could be edited to remove the changes, or
to change the volume to expression which, completely, eliminates the
problem.

It will be interesting to learn what the results of your survey of users
with midi organs are.

John Beach

On Tue, Feb 4, 2025, 4:29 AM john.reimer--- via jOrgan-user <
jor...@li...> wrote:

> On 2025-02-04 17:30, John Beach wrote: "The controllers are independent
> and will function to receive any change messages from the organ
> console's physical pedals"
>
> Hi JohnB,
>
> Thank you for your reply with all its detail. But I don't think you have
> understood the reason for my post. The tests which I described show that
> the Swell department's controller (i.e. continuous filter) and any
> additional "controller" of a stop in that department are NOT
> independent, if the Control Change message is the same for each. Yes,
> CC#7 is for Volume and CC#11 is for Expression, as I stated in my post.
> My tests also indicated that ANY Control Change number will not do. I
> changed "7" to *8" in one test, and nothing happened.
>
> What you have listed is the MPL messages cluster we would expect to see
> in a jOrgan disposition. I was not asking for that. I was asking what
> the MIDI messages are, which the MIDI encoders in the home (or church)
> organs our users are familiar with are sending, when they move the Swell
> pedal(s) in those organs. Are they CC#7 or are they CC#11?
>
> CC#11 for a Swell Pedal is what they should be, according to the MIDI
> Specification. But it wouldn't surprise me if many makers of MIDI
> encoders are using CC#7 instead. (Most "controllers" will normally react
> to either 7 or 11 in exactly the same way - to control the Volume,
> unless steps are taken to introduce special audio frequency attenuation
> characteristics - as happens in some of Paul Stratman's most recent
> dispositions. I am simply running a poll, to see if there is a clear
> preponderance of one of those two numbers. I shall then adjust my
> ROMANTIC HARMONY disposition accordingly.
>
> Best wishes,
> JohnR
>
>
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