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Myriad Harmony-Assistant &
MyOrgan ou Hauptwerk-1 Chapter
5
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Let us configure
MyOrgan
Although you can act on
the virtual organ by clicking on the various buttons with your mouse, the control of
MyOrgan is done mainly by Midi messages.
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| | | | Let us speak a little about the Midi |
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Midi Messages sent by harmony-assistant (or another software:/ midi device)
make possible to change the registration of each manual. We need for that
for several Midi channels. A channel by manual plus a registration channel.
The choice of the
channels
This choice is arbitrary, but I recommend to everyone
to adopt the following adjustments which are most widespread.
Channel 2 receives the notes intended for the pedals (or sometimes for
Great).
Channel 1 is reserved for the Great (or sometimes for
the pedals).
Channels 3 and 4 are allotted indifferently to the Positiv or
the Swell.
Channel 5 could be allotted to the manual Bombards, but you
will usually hold it for another thing. Bombards, rather rare keyboard will work
with channel 6 or 7.
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In MyOrgan, the last line of the
“Audio” menu is named “Settings”. By choosing this entry of the menu, one
opens a window of adjustments to two pages.
Let us start with
the first page: DEVICES.
Midi
inputs. Notch the same entries as for Midiyoke.
Audio output
peripheral , choose that which gives best result, in the possibility
where several audio outputs are available.
Enhancements
(improvements): notch all the boxes.
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Second page: Midi
Messages
Undoubtedly most important adjustments. They are not
crucial for the operation of Myorgan, but they must match with those of
Harmony-assistant. Consequently, regard my arbitrary choices as values to be
respected imperatively.
Previous program: channel
5, prg 2: is used to regress the sequence of registration.
Next
program: channel 5, prg 3: is used to advance the sequence of
registration.
Enclosures: they are the expressive boxes of a
manual. The channel corresponds to the midi channel of manual, the
following data is n°4, which means “foot controller” a choice
which I made because it seems logical.
Manuals: the
keyboards (pedals included). Must always receive messages of notes (notes on /
note off) in a separate midi channel.
Stop changes:
independent drive of the stops; channel 5
Memory set:
possibility of operating by remote control the mode "capture".
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| | |  | Set up of the midi messages |
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| | | | Remote control of Myorgan |
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To
select a stop by Midi message
To select remotely, by
midi message, the stops of a virtual organ, there are 3
possibilities:
1.Pour to activate/release a stop, you
can separately send a Midi message to each stop of MyOrgan.
Each stop having a personal number for the reception of the messages.
Three types of messages are thus possible:
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A message notes one,
with a number
of Midi channel reserved for this use, i.e., preferably it will be channel 5.
To activate a stop, a note is thus played. To remove it, we
transmit the message note-off, by repeating the same note. Action which HA can do easily, but
difficult to exploit because HA manages overall the key press and the release of a
note (information of duration). Thus for example, to maintain inserted the button
“Bourdon 8 '” during 32 bars at 4/4 times, it would be necessary to
bind on a special staff 32 whole notes one after the other. With a sequencer which
records separately the messages notes on and note-off it is still realizable,
with HA that quickly becomes difficult.
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A message Control-changes. It is a family
of messages understood by the Midi controlers Midi, such as
volume, panoramic, chorus. This kind of message, even if it is used per HA,
is not directly accessible for us. Thus let us give up.
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A message
Program-changes. They are the messages transmitted by the synthesizers
and some software like HA, when a keyboard or a track changes instrumental sonority. It
is in my opinion a good solution, if one plays the organ from a Midi keyboard
or with a sequencer, but it is rather difficult to realize with
HA.
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The possibilities of assigning an
individual order midi to each stop, with three types of different messages
available. A solution which is appropriate for the sequencers, but
difficult to exploit with HA.
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2. Other solution . It consists in memorizing combinations
of stops in the memories of each keyboard ("divisionals") or in the
"generals" memories. The change of registration is done then by the sending of
midi message program-change, always via channel 5. But all the ODF has not
such memories .
This solution, quite practical is not currently very
compatible with the software Melody and Harmony-Assistant, you would need
a rule by button, also we will leave this solution. It will be appropriate
however for those who will use a sequencer for reading midifiles and those who
will play the organ in live from a midi keyboard.
3. Last
solution
: to use the “frames”. The frames are sequences of program which store
(inside the ODF) the state of all the buttons of the organ “flashé” at a given
time. A ODF can store up to 512 frames, what to program all the work of J-S
Bach. To pass from a frame to another, two orders only are necessary: PREVIOUS
and NEXT (preceding and following).
These orders are Midi messages
program-changes, that we will manufacture by means of 2 laws (my script is given
the responsability to create and install these laws).
2.Autre
solution. Elle consiste à mémoriser des combinaisons de jeux dans les
mémoires
de chaque
clavier (divisions) ou dans les mémoires générales. Le changement de
registration se fait alors par l'envoi de message midi programme-change,
toujours via le canal 5. Mais tous les ODF ne propose pas forcement de telle
mémoires de programmation.
Cette
solution, bien pratique n'est pas très compatible actuellement avec les
logiciels Melody et Harmony-Assistant, il faudrait une loi par bouton, aussi
nous la laisserons de coté. Elle conviendra toutefois à ceux qui utiliseront un
séquenceur pour lire des midifiles et ceux qui joueront de l'orgue en direct à
partir d'un clavier midi.
3.Dernière solution : utiliser les
« frames ». Les frames sont des séquences de
programme qui stockent (à l'intérieur de l'ODF) l'état de tous
les boutons de l'orgue "flashé" à un moment donné. Un ODF peut stocker
jusqu'à 512 frames, de quoi programmer toute l'oeuvre de J-S Bach. Pour passer
d'une frame à une autre, deux commandes seulement sont nécessaires : PREVIOUS et
NEXT (précédent et suivant).
Ces commandes sont des messages Midi
program-change, que nous fabriquerons au moyen de 2 lois (mon script se charge
de créer et installer ces lois).
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| | | | Associating Midi control to each stop individually |
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For the first
two methods we have seen, it is thus necessary to associate a number of note (or
program) with each button of the organ. This can be done in two
ways:
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By a right click on
the button concerned, which reveals a small dialogue box. We have the choice
between filling then the "data" box manually or clicking on “listen
for Event” and to send to MyOrgan the information awaited by playing the note
that one wishes to associate with this stop. That can be made starting
from HA by inserting the note wished on a registration staff beforehand
set on channel 5. After, do not forget to remove this note.
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By editing the
text corresponding in the organ definition file. Reserved with
the do-it-yourselfers.
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