65 lines
2.1 KiB
HTML
65 lines
2.1 KiB
HTML
---
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layout: default
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title: Setting Up MIDI
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---
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<h2>What Can Ardour Do With MIDI?</h2>
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<p>
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<dfn><abbr title="Musical Instrument Digital Interface">MIDI</abbr></dfn>
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is a way to describe music data and to control music hardware and
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software. Ardour can import and record MIDI data, and perform a
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variety of editing operations on it. Furthermore, MIDI can be used to
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control various functions of Ardour.
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</p>
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<p class="note">
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Ardour does not include a <dfn>synthesis engine</dfn> to produce audio
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from MIDI data, but relies on plugins or external hard- and software
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for the task. This can be a stumbling block for first time users who
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expect MIDI input to result in audio output by default.<br />
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Please see the section on working with plug-ins for more information on
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turning MIDI data into audio output.</p>
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<h2>MIDI Handling Frameworks</h2>
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<p>
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Ardour supports various ways of sending and receiving MIDI data:
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</p>
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<h3>CoreMIDI</h3>
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<p>
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<dfn>CoreMIDI</dfn> is the standard MIDI framework on OSX systems.
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It provides drivers for MIDI hardware and libraries needed by MIDI
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software clients.
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</p>
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<h4>ALSA MIDI</h4>
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<p>
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<dfn><abbr title="Advanced Linux Sound API">ALSA</abbr> MIDI</dfn>
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is the standard MIDI framework on Linux systems. It provides drivers
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for MIDI hardware and libraries needed by MIDI software clients.
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</p>
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<p>
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The <dfn>QJackCtl</dfn> control software displays ALSA MIDI ports
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under its "ALSA" tab (it does not currently display CoreMIDI ports).
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</p>
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<h4>JACK MIDI</h4>
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<p>
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<dfn><abbr title="JACK Audio Connection Kit">JACK</abbr> MIDI</dfn>
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is a framework used to comunicate between JACK MIDI software clients.
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It provides zero jitter and a fixed latency of one <dfn>period</dfn>,
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the same latency as for JACK audio.
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</p>
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<p>
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JACK MIDI ports show up under the <kbd class="menu">MIDI</kbd> tab in
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QJackCtl.
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</p>
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<p>
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There are several ways of <dfn>bridging</dfn> between the native MIDI frameworks
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(e.g. CoreMIDI or ALSA) and JACK MIDI, as described in the sections
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below.
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</p>
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{% children %}
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