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<script type=text/javascript>var baseurl="https://prokoudine.github.io/ardour-tutorial/en"</script><script type=text/javascript src=/ardour-tutorial/js/search.js?1648576491></script></div><section id=homelinks><ul><li><a class=padding href=/ardour-tutorial/en/><i class="fas fa-home"></i> Home</a></li></ul></section><div class=highlightable><ul class=topics><li data-nav-id=/ardour-tutorial/en/introduction/ title=Introduction class=dd-item><a href=/ardour-tutorial/en/introduction/><b>1. </b>Introduction</a><ul><li data-nav-id=/ardour-tutorial/en/introduction/conventions/ title=Conventions class=dd-item><a href=/ardour-tutorial/en/introduction/conventions/>Conventions</a></li><li data-nav-id=/ardour-tutorial/en/introduction/what-is-digital-audio/ title="What is digital audio?" class=dd-item><a href=/ardour-tutorial/en/introduction/what-is-digital-audio/>What is digital audio?</a></li></ul></li><li data-nav-id=/ardour-tutorial/en/getting-started/ title="Getting started" class=dd-item><a href=/ardour-tutorial/en/getting-started/><b>2. </b>Getting started</a><ul><li data-nav-id=/ardour-tutorial/en/getting-started/starting-ardour-on-ubuntu/ title="Starting Ardour" class=dd-item><a href=/ardour-tutorial/en/getting-started/starting-ardour-on-ubuntu/>Starting Ardour</a></li><li data-nav-id=/ardour-tutorial/en/getting-started/overview-of-the-interface/ title="Overview of the Interface" class=dd-item><a href=/ardour-tutorial/en/getting-started/overview-of-the-interface/>Overview of the Interface</a><ul><li data-nav-id=/ardour-tutorial/en/getting-started/overview-of-the-interface/editor-window/ title="Editor window" class=dd-item><a href=/ardour-tutorial/en/getting-started/overview-of-the-interface/editor-window/>Editor window</a></li><li data-nav-id=/ardour-tutorial/en/getting-started/overview-of-the-interface/mixer-window/ title="Mixer window" class=dd-item><a href=/ardour-tutorial/en/getting-started/overview-of-the-interface/mixer-window/>Mixer window</a></li><li data-nav-id=/ardour-tutorial/en/getting-started/overview-of-the-interface/recorder-window/ title="Recorder window" class=dd-item><a href=/ardour-tutorial/en/getting-started/overview-of-the-interface/recorder-window/>Recorder window</a></li><li data-nav-id=/ardour-tutorial/en/getting-started/overview-of-the-interface/cue-window/ title="Cue window" class=dd-item><a href=/ardour-tutorial/en/getting-started/overview-of-the-interface/cue-window/>Cue window</a></li></ul></li><li data-nav-id=/ardour-tutorial/en/getting-started/creating-tracks-and-busses/ title="Creating tracks and busses" class=dd-item><a href=/ardour-tutorial/en/getting-started/creating-tracks-and-busses/>Creating tracks and busses</a></li><li data-nav-id=/ardour-tutorial/en/getting-started/importing-audio/ title="Importing audio" class=dd-item><a href=/ardour-tutorial/en/getting-started/importing-audio/>Importing audio</a></li><li data-nav-id=/ardour-tutorial/en/getting-started/setting-up-the-timeline/ title="Setting up the timeline" class=dd-item><a href=/ardour-tutorial/en/getting-started/setting-up-the-timeline/>Setting up the timeline</a></li></ul></li><li data-nav-id=/ardour-tutorial/en/recording-audio/ title=Recording class="dd-item
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parent"><a href=/ardour-tutorial/en/recording-audio/><b>3. </b>Recording</a><ul><li data-nav-id=/ardour-tutorial/en/recording-audio/recording-audio/ title="Recording audio" class=dd-item><a href=/ardour-tutorial/en/recording-audio/recording-audio/>Recording audio</a></li><li data-nav-id=/ardour-tutorial/en/recording-audio/understanding-routing/ title="Understanding routing" class="dd-item active"><a href=/ardour-tutorial/en/recording-audio/understanding-routing/>Understanding routing</a></li><li data-nav-id=/ardour-tutorial/en/recording-audio/routing-between-applications/ title="Routing between applications" class=dd-item><a href=/ardour-tutorial/en/recording-audio/routing-between-applications/>Routing between applications</a></li></ul></li><li data-nav-id=/ardour-tutorial/en/editing-sessions/ title="Editing sessions" class=dd-item><a href=/ardour-tutorial/en/editing-sessions/><b>4. </b>Editing sessions</a><ul><li data-nav-id=/ardour-tutorial/en/editing-sessions/non-destructive-editing/ title="Non-destructive editing" class=dd-item><a href=/ardour-tutorial/en/editing-sessions/non-destructive-editing/>Non-destructive editing</a></li><li data-nav-id=/ardour-tutorial/en/editing-sessions/arranging-tracks/ title="Arranging tracks" class=dd-item><a href=/ardour-tutorial/en/editing-sessions/arranging-tracks/>Arranging tracks</a></li><li data-nav-id=/ardour-tutorial/en/editing-sessions/setting-up-the-meter/ title="Setting up the meter" class=dd-item><a href=/ardour-tutorial/en/editing-sessions/setting-up-the-meter/>Setting up the meter</a></li><li data-nav-id=/ardour-tutorial/en/editing-sessions/using-ranges/ title="Using ranges" class=dd-item><a href=/ardour-tutorial/en/editing-sessions/using-ranges/>Using ranges</a></li><li data-nav-id=/ardour-tutorial/en/editing-sessions/working-with-regions/ title="Working with regions" class=dd-item><a href=/ardour-tutorial/en/editing-sessions/working-with-regions/>Working with regions</a></li><li data-nav-id=/ardour-tutorial/en/editing-sessions/further-region-operations/ title="Further region operations" class=dd-item><a href=/ardour-tutorial/en/editing-sessions/further-region-operations/>Further region operations</a></li><li data-nav-id=/ardour-tutorial/en/editing-sessions/changing-edit-modes/ title="Changing edit modes" class=dd-item><a href=/ardour-tutorial/en/editing-sessions/changing-edit-modes/>Changing edit modes</a></li><li data-nav-id=/ardour-tutorial/en/editing-sessions/creating-looped-sections/ title="Creating looped sections" class=dd-item><a href=/ardour-tutorial/en/editing-sessions/creating-looped-sections/>Creating looped sections</a></li><li data-nav-id=/ardour-tutorial/en/editing-sessions/stretching-shrinking-regions/ title="Stretching & shrinking regions" class=dd-item><a href=/ardour-tutorial/en/editing-sessions/stretching-shrinking-regions/>Stretching & shrinking regions</a></li></ul></li><li data-nav-id=/ardour-tutorial/en/mixing-sessions/ title="Mixing sessions" class=dd-item><a href=/ardour-tutorial/en/mixing-sessions/><b>5. </b>Mixing sessions</a><ul><li data-nav-id=/ardour-tutorial/en/mixing-sessions/the-mixer-strip/ title="The mixer strip" class=dd-item><a href=/ardour-tutorial/en/mixing-sessions/the-mixer-strip/>The mixer strip</a></li><li data-nav-id=/ardour-tutorial/en/mixing-sessions/mixing-levels/ title="Mixing levels" class=dd-item><a href=/ardour-tutorial/en/mixing-sessions/mixing-levels/>Mixing levels</a></li><li data-nav-id=/ardour-tutorial/en/mixing-sessions/panning/ title=Panning class=dd-item><a href=/ardour-tutorial/en/mixing-sessions/panning/>Panning</a></li><li data-nav-id=/ardour-tutorial/en/mixing-sessions/using-plugins/ title="Using plugins" class=dd-item><a href=/ardour-tutorial/en/mixing-sessions/using-plugins/>Using plugins</a></li><li data-nav-id=/ardour-tutorial/en/mixing-sessions/using-sends/ title="Using sends" class=dd-item><a href=/ardour-tutorial/en/mixing-sessions/using-sends/>Using sends</a></li><li data-nav-id=/ardour-tutorial/en/mixing-sessions/dynamics/ title=Dynamics class=dd-item><a href=/ardour-tutorial/en/mixing-sessions/dynamics/>Dynamics</a></li><li data-nav-id=/ardour-tutorial/en/mixing-sessions/equalizing/ title=Equalizing class=dd-item><a href=/ardour-tutorial/en/mixing-sessions/equalizing/>Equalizing</a></li><li data-nav-id=/ardour-tutorial/en/mixing-sessions/using-automation/ title="Using automation" class=dd-item><a href=/ardour-tutorial/en/mixing-sessions/using-automation/>Using automation</a></li></ul></li><li data-nav-id=/ardour-tutorial/en/exporting-sessions/ title="Exporting sessions" class=dd-item><a href=/ardour-tutorial/en/exporting-sessions/><b>6. </b>Exporting sessions</a><ul><li data-nav-id=/ardour-tutorial/en/exporting-sessions/exporting-a-region/ title="Exporting regions" class=dd-item><a href=/ardour-tutorial/en/exporting-sessions/exporting-a-region/>Exporting regions</a></li><li data-nav-id=/ardour-tutorial/en/exporting-sessions/exporting-a-range/ title="Exporting a range" class=dd-item><a href=/ardour-tutorial/en/exporting-sessions/exporting-a-range/>Exporting a range</a></li><li data-nav-id=/ardour-tutorial/en/exporting-sessions/exporting-a-session/ title="Exporting a session" class=dd-item><a href=/ardour-tutorial/en/exporting-sessions/exporting-a-session/>Exporting a session</a></li></ul></li><li data-nav-id=/ardour-tutorial/en/saving-sessions/ title="Saving sessions" class=dd-item><a href=/ardour-tutorial/en/saving-sessions/><b>7. </b>Saving sessions</a><ul><li data-nav-id=/ardour-tutorial/en/saving-sessions/saving-a-session/ title="Saving a session" class=dd-item><a href=/ardour-tutorial/en/saving-sessions/saving-a-session/>Saving a session</a></li><li data-nav-id=/ardour-tutorial/en/saving-sessions/saving-a-snapshot/ title="Saving a snapshot" class=dd-item><a href=/ardour-tutorial/en/saving-sessions/saving-a-snapshot/>Saving a snapshot</a></li><li data-nav-id=/ardour-tutorial/en/saving-sessions/saving-a-template/ title="Saving a template" class=dd-item><a href=/ardour-tutorial/en/saving-sessions/saving-a-template/>Saving a template</a></li></ul></li><li data-nav-id=/ardour-tutorial/en/appendices/ title=Appendices class=dd-item><a href=/ardour-tutorial/en/appendices/><b>8. </b>Appendices</a><ul><li data-nav-id=/ardour-tutorial/en/appendices/further-help/ title="Further help" class=dd-item><a href=/ardour-tutorial/en/appendices/further-help/>Further help</a></li><li data-nav-id=/ardour-tutorial/en/appendices/glossary/ title=Glossary class=dd-item><a href=/ardour-tutorial/en/appendices/glossary/>Glossary</a></li><li data-nav-id=/ardour-tutorial/en/appendices/links/ title=Links class=dd-item><a href=/ardour-tutorial/en/appendices/links/>Links</a></li><li data-nav-id=/ardour-tutorial/en/appendices/credits/ title=Credits class=dd-item><a href=/ardour-tutorial/en/appendices/credits/>Credits</a></li><li data-nav-id=/ardour-tutorial/en/appendices/license/ title=License class=dd-item><a href=/ardour-tutorial/en/appendices/license/>License</a></li></ul></li></ul><section id=shortcuts><h3>More</h3><ul><li><a class=padding href=https://github.com/prokoudine/ardour-tutorial><i class="fab fa-fw fa-github"></i> This tutorial on GitHub</a></li><li><a class=padding href=https://ardour.org/><i class="fas fa-fw fa-home"></i> Ardour's homepage</a></li><li><a class=padding href=https://manual.ardour.org><i class="fas fa-fw fa-bookmark"></i> User manual</a></li><li><a class=padding href=https://discourse.ardour.org/><i class="fas fa-fw fa-users"></i> Forum</a></li><li><a class=padding href=https://prokoudine.github.io/ardour-tutorial/en/appendices/credits/><i class="fas fa-fw fa-bullhorn"></i> Credits</a></li></ul></section><section id=prefooter><hr><ul><li><a class=padding><i class="fas fa-language fa-fw"></i><div class=select-style><select id=select-language onchange="location=this.value"><option id=en value=https://prokoudine.github.io/ardour-tutorial/en/recording-audio/understanding-routing/ selected>English</option></select><svg id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="255" height="255" viewBox="0 0 255 255" style="enable-background:new 0 0 255 255"><g><g id="arrow-drop-down"><polygon points="0,63.75 127.5,191.25 255,63.75"/></g></g></svg></div></a></li></ul></section><section id=footer><p>Built with <a href=https://github.com/matcornic/hugo-theme-learn><i class="fas fa-heart"></i></a> from <a href=https://getgrav.org>Grav</a> and <a href=https://gohugo.io/>Hugo</a></p></section></div></nav><section id=body><div id=overlay></div><div class="padding highlightable"><div><div id=top-bar><div id=breadcrumbs itemscope itemtype=http://data-vocabulary.org/Breadcrumb><span id=sidebar-toggle-span><a href=# id=sidebar-toggle 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<span class=links><a href=/ardour-tutorial/en/>Home</a> > <a href=/ardour-tutorial/en/recording-audio/>Recording</a> > Understanding routing</span></div><div class=progress><div class=wrapper><nav id=TableOfContents><ul><li><ul><li><a href=#routing-in-ardour>Routing in Ardour</a></li><li><a href=#how-to-connect-and-disconnect>How to connect and disconnect?</a></li><li><a href=#practical-example-of-routing-to-a-bus>Practical example of routing to a bus</a></li><li><a href=#track--or-bus-specific-views-of-the-patchbay>Track- or Bus-specific views of the Patchbay</a></li><li><a href=#all-ardour-connections-are-jack-connections>All Ardour connections are JACK connections</a></li></ul></li><li><a href=#continuing>Continuing</a></li></ul></nav></div></div></div></div><div id=head-tags></div><div id=body-inner><h1>Understanding routing</h1><p>Routing an audio signal is sending it from somewhere to somewhere else.</p><p>In addition to getting audio signals to and from Ardour, routing plays
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an important part inside Ardour itself. Examples of using routing inside
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Ardour include routing audio from Tracks to the Master Bus or to other
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Busses, creating ‘sends’, routing the outputs from Busses to the Master
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Bus, etc. (see chapter on <strong>Creating a Track</strong> for an explanation of
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Tracks and Busses). All routing, both internal and external to Ardour,
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is handled by JACK.</p><h3 id=routing-in-ardour>Routing in Ardour</h3><p>The standard routing of inputs, tracks and busses in Ardour is
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determined when a new Session is created in the Advanced Options of the
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New Session dialog box (see <strong>Starting a Session</strong> chapter). By default,
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the routing is as follows:</p><ul><li>The audio device inputs are routed to the Track inputs.</li><li>All outputs from Tracks and Busses are routed to the master bus
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inputs.</li><li>The Master Bus outputs are routed to the audio device outputs.</li></ul><p>Note that when a new Bus is created, nothing is routed to its input.</p><p>This routing setup makes sense for sessions containing only Tracks, but
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to make use of any Busses (other than the Master Bus) or to get creative
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with the paths of the audio signals inside Ardour, we need to be able to
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change the routing.</p><p>The Audio Connection Manager window (also known as the patchbay) is the
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main way to make connections to, from ,and within Ardour’s mixer. You
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can open this window with the shortcut “<em>Alt</em>” + “<em>N</em>”, or through the
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menu <em>Window > Audio Connections</em>.</p><p><img src=en/Ardour4_Audio_Connection_Manager_Menu.png alt="Audio Connection Manager"> </p><p>The patchbay presents two groups of ports; one set of sources, and one
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of destinations. Sources and destinations are organized by tabs. The
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available sources are displayed vertically on the left side, and the
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destinations are displayed horizontally at the bottom.</p><p>In the screenshot below, notice that the “<em>Hardware</em>” tab is selected on
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the top left (that’s a source), and the “<em>Ardour Tracks</em>” is selected as
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a destination in the bottom. This means that the matrix you see displays
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connections from available hardware sound sources (for example, a
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microphone), into existing Ardour tracks. </p><p><img src=en/Ardour4_Audio_Connection_Manager_1.png alt="ACM 1"> </p><p>The green dots represent a connection. The screenshot above tells us
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that incoming sounds from “<em>system: capture_1</em>” (the first input source
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of your soundcard, or the built-in microphone of your laptop) are going
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into Ardour track named “<em>Audio 1</em>”, and also that incoming sounds from
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“<em>system: capture_1</em>” and “<em>system: capture_2</em>” are respectively going
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into the Left and Right inputs of Ardour track named “<em>Audio 2.</em>”</p><p>Notice we can see that “<em>Audio 1</em>” is a Mono track because it only has
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one connection slot, while track “<em>Audio 2</em>” is Stereo since it has two
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slots (Left and Right).</p><p>The next screenshot shows the signal path from Ardour Tracks (selected
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vertical tab) into Ardour Busses (selected horizontal tab). As mentioned
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earlier, the default setting for all Ardour Tracks is that their sound
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goes to the Master Bus.</p><p><img src=en/Ardour4_Audio_Connection_Manager_2.png alt="ACM 2"></p><p>Note: remember that “<em>Audio 1</em>” is a Mono track? We saw it in the
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earlier screenshot that “<em>Audio 1</em>” only has one input slot. But now on
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the screenshot above you see that “Audio 1” has two outputs (Left and
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Right). This is normal: we define whether a track is Mono or Stereo by
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its <em>number of inputs</em>, not outputs. Mono tracks will hold a single
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channel of audio, but you can still choose to place the sound on the
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left or the right speaker (or anywhere in between). More on this in the
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chapter <strong>Panning</strong>.</p><p>Finally, let’s explore a couple more tabs in the Audio Connection
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Manager to see the sound going from the Master Bus to the actual
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hardware outputs (your loudspeakers or headphones):</p><p><img src=en/Ardour4_Audio_Connection_Manager_3.png alt="ACM 3"></p><p>As you can see, the selected source tab is now “<em>Ardour Busses</em>”, and
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the destination tab is “<em>Hardware</em>”. This session happens to have only
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one bus, the default “master out”. The green dots show that all sounds
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coming out of the Master Bus are going to system playback 1 and 2, which
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are the outputs of your soundcard.</p><h3 id=how-to-connect-and-disconnect>How to connect and disconnect?</h3><p>To make a connection, click on the desired empty square in the matrix; a
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green dot will appear to indicate the connection is made.</p><p>To undo a connection, simply click on an existing green dot and it will
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disappear.</p><h3 id=practical-example-of-routing-to-a-bus>Practical example of routing to a bus</h3><p>In the following example session, there are two guitar Tracks and one
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unused Bus called Guitar Bus, all Stereo.</p><p><img src=en/Ardour4_Ardour_Connection_Manager_4.png alt="ACM 4"> </p><p>Suppose you want to send the output from the two guitar Tracks to the
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Guitar Bus instead of the Master Bus. This can be useful to control the
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volume of both guitars with just one Fader (in this case the Guitar Bus
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fader). Then the output of the Guitar Bus, which is the sum of the two
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guitars, goes directly to the Master Bus.</p><p>Here is how to edit the patchbay to get the desired routing. Select
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“Ardour Tracks” tab from Sources (vertical tabs), and “Ardour Busses”
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from destinations (horizontal bottom tabs). Undo existing connections
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||
from both Tracks to Master. Then create connections from both Tracks to
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||
Guitar Bus. The final result would look like this:</p><p><img src=en/Ardour4_Audio_Connection_Manager_5.png alt="ACM 5"> </p><p>Now both guitar tracks are routed to the Guitar Bus, and no longer
|
||
directly connected to the Master Bus. We then make sure that the Guitar
|
||
Bus is, by its turn, routed to the Master Bus (the output routing of a
|
||
Bus is edited in the same way as for a Track), so that we can still hear
|
||
the sound from both guitar Tracks. Now we can control the volume of both
|
||
guitar Tracks together by changing the Fader of the Guitar Bus. What’s
|
||
more, we can now add Plugins to the Guitar Bus to process the sound of
|
||
both guitar Tracks together.</p><h3 id=track--or-bus-specific-views-of-the-patchbay>Track- or Bus-specific views of the Patchbay</h3><p>The Audio Connection Manager (Patchbay) that you open with <strong>Alt + P</strong> shows you
|
||
the complete matrix of every single source and every single destination
|
||
available in Ardour. Sometimes this is too much: you just want to quickly change
|
||
the routing of a single track input or output, for example. Ardour allows you to
|
||
access a relevant subset of Patchbay connections when you click directly on the
|
||
Inputs or Outputs button of a Track or Bus in the Mixer Strip.</p><p>The Inputs button is at the top, and the Outputs button is on the bottom of the
|
||
strip. Clicking on either one will show you a menu of connection options. In the
|
||
screenshot below, for example, you would click on the “1/2” button right under
|
||
the track name “Guitar-1” in order to access this menu:</p><p><img src=en/Ardour4_Editor_Mixer_In_Out.png alt="Editor Mixer In Out"></p><p>You may select a connection right there from the menu, or choose “Routing Grid”
|
||
to see a simpler version of the Audio Connection Manager with only the Inputs
|
||
or Outputs of the selected Track or Bus.</p><h3 id=all-ardour-connections-are-jack-connections>All Ardour connections are JACK connections</h3><p>It is important to realize that any routings that you make or disconnect
|
||
from within Ardour are in fact JACK routings, which you can see from
|
||
other applications like Qjackctl, Catia, or JackPilot, depending on your
|
||
Operating System. Below is an example of a Catia window (Linux only)
|
||
displaying the same JACK connections discussed above:</p><p><img src=en/Ardour4_Catia_Example.png alt=Catia></p><h2 id=continuing>Continuing</h2><p>In this chapter, we covered how to manage Routing inside Ardour, or
|
||
between Ardour and the sound card. However, one of the strengths of
|
||
using the JACK system is that it can also manage connections between
|
||
applications on the same computer. To gain a better understanding of how
|
||
this works, please continue to the chapter <strong>Routing Between
|
||
Applications</strong>. If you would prefer to work only with Ardour, then skip
|
||
ahead to the section on <strong>Arranging Tracks</strong>.</p><p>Next: <a href=../routing-between-applications>ROUTING BETWEEN APPLICATIONS</a> or <a href=../arranging-tracks>ARRANGING TRACKS</a></p><p> </p><footer class=footline></footer></div></div><div id=navigation></div></section><div style=left:-1000px;overflow:scroll;position:absolute;top:-1000px;border:none;box-sizing:content-box;height:200px;margin:0;padding:0;width:200px><div style=border:none;box-sizing:content-box;height:200px;margin:0;padding:0;width:200px></div></div><script src=/ardour-tutorial/js/clipboard.min.js?1648576491></script>
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