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Old 16th August 2011   #23
valis
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What OS? I've got a multiface I on a Win7 box (and a Multiface II + HDSPe on a Mac Pro running 10.6.8). They're basically the same as far as the documentation of midi goes, neither documents anything beyond being able to control fader levels, and the Multiface 1 manual dates back to 2005 because that is when the Multiface II was released (superseding the vI).

Here's the info from the manual on the midi control:

Quote:
31.5 Simple MIDI Control
The stereo output faders (lowest row) which are set up as Monitor Main outputs in the Monitor panel can also be controlled by the standard Control Change Volume via MIDI channel 1. With this, the main volume of the Multiface is controlable from nearly any MIDI equipped hard- ware device.

Even if you don't want to control all faders and pans, some buttons are highly desired to be available in 'hardware'. These are mainly the Talkback and the Dim button, and the new moni- toring options (listen to Phones submixes). Fortunately a Mackie Control compatible controller is not required to control these buttons, as they are steered by simple Note On/Off commands on MIDI channel 1.

The notes are (hex / decimal / keys):

Monitor Main: 3E / 62 / D 3
Dim: 5D / 93 / A 5
Mono: 2A / 42 / #F 1
Talkback: 5E / 94 / #A 5

Monitor Phones 1: 3F / 63 / #D 3
Monitor Phones 2: 40 / 64 / E 3
Monitor Phones 3: 41 / 65 / F 3

Preset 1: 36 / 54 / #F 2
Preset 2: 37 / 55 / G 2
Preset 3: 38 / 56 / #G 2
Preset 4: 39 / 57 / A 2
Preset 5: 3A / 58 / #A 2
Preset 6: 3B / 59 / B 2
Preset 7: 3C / 60 / C 3
Preset 8: 3D / 61 / #C 3

An example of a small MIDI controller covering such MIDI functionality (and even some more) is the Behringer BCN44. This little box has 4 pots and 8 buttons for all the above functions – for less than 60 Euros.

Furthermore TotalMix allows to control all faders of all three rows via simple Control Change commands.

The format for the Control Change commands is:

Bx yy zz

x = MIDI channel
yy = control number
zz = value


The first row in TotalMix is adressed by MIDI channels 0 up to 3, the middle row by channels 4 up to 7 and the bottom row by channels 8 up to 11.

16 Controller numbers are used: 102 up to 117 (= hex 66 bis 75).

With these 16 Controllers (= faders) and 4 MIDI channels each per row, up to 64 faders can be controlled per row (as required by the HDSPe MADI).

Examples for sending MIDI strings*:
- Set input 1 to 0 dB: B0 66 40
- Set input 17 to maximum attenuation: B1 66 0
- Set playback 1 to maximum: B4 66 7F
- Set Output 16 to 0 dB setzen B8 75 40
*Note: Sending MIDI strings might require to use programmer's logic for the MIDI channel, start- ing with 0 for channel 1 and ending with 15 for channel 16.
You'll notice there is NO documentation of mute/solo functionality, my guess is that this is probably still only implemented via the Mackie Control functionality...maybe a cheap controller that supports this mode is in order? You can probably do mutes with the Novation Nocturn & Automap if you don't want to spend the extra $ on a BCF2000...
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