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]>
<section id="sn-behringer-ddx3216">
<title>Behringer DDX3216</title>
<para>
The Behringer DDX3216 isn't actually a dedicated control surface, it is
a digital mixer. However it does have the capability to control ardour
using it's faders and the pan pots, through it's midi I/O. Unfortunately
for some bizzare reason, the protocol for mute toggling changes on the
Behringer and is not compatible with ardour. Most commonly you would
setup ardour so the mixer and panning was reflected by the Behringer,
however you can control other elements of ardour such as plugin
controls/automation. This can potentially save a lot of time given you
can control a lot more than just one level at a time, as opposed to one
when using a mouse. The DDX3216 can also receive MTC (MIDI Time Code)
from ardour and control ardours transport via MMC (Midi Machine
Control), making it a very useful go between for any other external
devices that can also receive MTC. On top of that, any other software
synced to JACK will be controlled via the DDX3216 as well!
</para>
<para>
The setup is quite simple as follows:
</para>
<orderedlist>
<listitem>
<para>
On the DDX3216 select the MMC/MIDI button. Press the Previous/Next
buttons to move to the RX/TX page. Make sure that you have both RX
and TX selected for 'Control Change', and TX selected for 'Machine
Control'. Under the menu 'RX/TX Only', make sure Fader and Pan is
selected.
</para>
</listitem>
<listitem>
<para>
To receive MTC do the following. Press the Previous button to get to
the Setup page. Select MTC as your source. Make sure the receive
channel is set to OMNI so it will listen on all channels, and the
MMC device is set to 7F (all). Save a new Preset on the DDX3216,
something like MMC/MTC.
</para>
</listitem>
<listitem>
<para>
Connect your midi in and out cables to your sound card, and to the
Behringer DDX3216. Start <application>qjackctl</application>, and
then start ardour. In qjackctl go to the connections dialog, and
select the <guilabel>midi</guilabel> tab. Select the Midi output on
the left window and the ardour input on the right window, and press
connect. Select the ardour output on the left window and the midi
input on the right window, and press connect.
</para>
</listitem>
<listitem>
<para>
I suggest making a template in ardour so you don't have to do these
following steps each time. Load a new session with your desired
amount of tracks (I used 16). Go to menu <menuchoice>
<guimenu>Windows</guimenu> <guisubmenu>Options Editor</guisubmenu>
</menuchoice> and select the <guilabel>MIDI</guilabel> tab. Select
all the options and make sure the midi port you have connected to in
qjackctl is 'online'.
</para>
</listitem>
<listitem>
<para>
Open the mixer window
(<keycombo><keycap>Alt</keycap><keycap>M</keycap></keycombo>) and
then hold down <keycap>Ctrl</keycap> and click the middle button of
your mouse, on the fader control for track 1. A dialog will appear
over the fader asking you to <literal>operate MIDI control
now</literal>. Move the fader on the Behringer that you want to
control track 1 ardour fader - and whalla! I use fader 17 (fader 1
in page 2) as it isn't used for analog inputs and saves confusion.
Now do the same thing for the panning, ctrl and middle click on the
pan control in ardour, and move the pan pot on the DDX3216. Repeat
the Step for as many tracks as you have. Then save the template as
'MIDI controlled' or something similar. Next time you create a
session, select this template from the drop down list and you are
ready to cruise.
</para>
<para>
Remember you can assign the DDX3216 pan pots or even faders if you
want, to the plugin controls, send levels, inserts etc etc.
</para>
</listitem>
<listitem>
<para>
You can also operate the ardour transport and have ardour transmit
MTC back to your DDX3216 (it is only capable of receiving timecode,
not transmitting it). Go to the ardour menu
<menuchoice><guimenu>Windows</guimenu><guisubmenu>Option
Editor</guisubmenu></menuchoice> and the <guilabel>Sync</guilabel>
Tab. Set <guimenuitem>Positional Sync</guimenuitem> to Sync with
Jack. Select <guimenuitem>Send MTC</guimenuitem> and
<guimenuitem>Jack time master</guimenuitem>. Set your SMPTE to the
appropriate frame rate for your region (PAL - 25 frames, NTSC 30
frames/drop frames). On the DDX3216 in the MMC/MIDI screen, select
the <guilabel>Machine Control</guilabel> Tab and you can now press
play and watch ardour begin playback, and the time code start
rolling! Of course if you have hydrogen/rosegarden/muse/whatever
also running, then they will begin with ardour as well.
</para>
</listitem>
</orderedlist>
<note>
<para>
With ardour set to sync with JACK you cannot rewind from the transport
control, because JACK does not support global varispeed. If you are
just working with ardour and nothing else, then you can change the
Sync option to internal. You also will want to enable the -12dB gain
reduction for ff/rew in the <guilabel>Misc</guilabel> tab for sanity
reasons.
</para>
</note>
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