manual/include/setting-up-midi.html

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<h2>What Can Ardour Do With MIDI?</h2>
<p>
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<dfn><abbr title="Musical Instrument Digital
Interface">MIDI</abbr></dfn> is a way to describe musical
performances and to control music hardware and software.
</p>
<p>Ardour can import and record MIDI data, and perform a variety of
editing operations on it. Furthermore, MIDI can be used to control
various functions of Ardour.
</p>
<h2>MIDI Handling Frameworks</h2>
<p>
MIDI input and output for Ardour are handled by the same "engine"
that handles audio input and output.
</p>
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<dl>
<dt>OS X</dt>
<dd> <dfn>CoreMIDI</dfn> is the standard MIDI framework on OSX systems.
</dd>
<dt>Linux</dt>
<dd>
<dfn><abbr title="Advanced Linux Sound API">ALSA</abbr> MIDI</dfn>
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is the standard MIDI framework on Linux systems.
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</dd>
<dt>Windows</dt>
<dd>
<dfn>There is no single standard MIDI framework on Windows,
but Ardour can work with ASIO and others.
</dd>
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</dl>
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<p class="note">
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On Linux systems, <dfn>QJackCtl</dfn> control software displays ALSA MIDI
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ports under its "ALSA" tab (it does not currently display CoreMIDI
ports). By contrast, JACK MIDI ports show up under
the <kbd class="menu">MIDI</kbd> tab in QJackCtl.
</p>
<h2>JACK MIDI Configuration</h2>
<p>
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By default, JACK will <strong>not</strong> automatically detect and use existing MIDI
ports on your system. You must choose one of several ways
of <dfn>bridging</dfn> between the native MIDI frameworks
(e.g. CoreMIDI or ALSA) and JACK MIDI, as described in the sections
below.
</p>