45 lines
1.5 KiB
HTML
45 lines
1.5 KiB
HTML
---
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layout: default
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title: MIDI on Linux
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---
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<h2>a2jmidid</h2>
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<p>
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<dfn>a2jmidid</dfn> is an application that bridges between the system
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<abbr title="Musical Instrument Digital Interface">MIDI</abbr> ports and
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<abbt title="JACK Audio Connection Kit">JACK</abbr>.
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</p>
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<p>
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First you should make sure that there is no ALSA sequencer support enabled
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in JACK. To do that open QJackCtl's <kbd class="menu">Setup</kbd> window.
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</p>
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<p>
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Set <kbd class="menu">Settings > MIDI Driver</kbd> to <kbd
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class="input">none</kbd>.
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Then uncheck the <kbd class="optoff">Misc > Enable ALSA Sequencer
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support</kbd> option.<br />
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Now it's time to restart your jack server before going on.
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</p>
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<h3>Check for a2jmidid availability</h3>
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<p>
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First, check whether a2jmidid is already installed in your system. After
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starting your JACK server, go to the command line and type
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</p>
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<kbd class="cmd lin">a2jmidid -e</kbd>
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<p>
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If a2jmidid does not exist, install it with the software manager of your
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Linux distribution and try again.
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</p>
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<h3>Check surface control MIDI ports</h3>
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<p>
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After starting a2jmidid, your control surface MIDI ports should appear in
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qjackctl under <kbd class="menu">Connections > MIDI > a2j</kbd>.
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</p>
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<p>
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You can now add <kbd class="input">a2jmidid -e</kbd> as an "after start-up" script in the <kbd
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class="menu">Setup > Options</kbd> tab of QJackCtl, so that it is
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started automatically whenever you start JACK.
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</p>
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