Adding documentation about the Mixer Strips

This commit is contained in:
Ed Ward 2017-01-17 18:33:34 +01:00
parent 055a2b63f4
commit feaa3b828a
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---
layout: default
title: Selection Techniques
---
<p>
Ardour follows the conventions used by most other computer software
(including other DAWs) for <dfn>selecting objects</dfn> in the
<abbr title="Graphical User Interface">GUI</abbr>.
</p>
<h2>Selecting individual objects</h2>
<p>
Clicking on an object (sometimes on a particular part of its
on-screen representation) will select the object, and deselect other
similar objects.
</p>
<h2>Selecting multiple (similar) objects</h2>
<p>
A <kbd class="mod1 mouse">left</kbd> click on an object toggles its
<samp>selected</samp> status, so using <kbd class="mod1 mouse">left</kbd>
on a series of objects will select (or deselect) each one of them. You can
construct completely arbitrary selections with this technique.
</p>
<h2>Selecting a range of objects</h2>
<p>
In cases where the idea of "select all objects between this one and that
one" makes sense, you can select one object and then click
<kbd class="mod3 mouse">left</kbd> on another to select both of them as
well as all objects in between.
</p>
<h2>Time range selection</h2>
<p>
To select a time <dfn>range</dfn> in the Editor,
click <kbd class="mouse">Left</kbd> and drag the mouse.
A <kbd class="mod1 mouse">Left</kbd> drag then lets you create other
ranges and a <kbd class="mod3 mouse">left</kbd> click extends a range
to cover a wider area.
</p>
<h2>Selection Undo</h2>
<p>
The set of objects (including time range) that are selected at any one
time is known as the selection.
Each time you select or deselect an object, the new selection is stored in an
undo/redo stack.
This stack is cleared each time the content of the timeline changes.
If you have built up a complex selection and then accidentally cleared it,
choosing <kbd class="menu">Edit &gt; Undo Selection Change</kbd> will restore your
previous selection.
If you then decide that you had in fact made the correct change, choosing
<kbd class="menu">Edit &gt; Redo Selection Change</kbd> will take you back
to where you were before you chose <kbd class="menu">Edit &gt; Undo Selection Change</kbd>.
</p>

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---
layout: default
title: Tooltips
---
<p>
By default, Ardour will show helpful <dfn>tooltips</dfn> about
the purpose and use of each <abbr title="Graphical User
Interface">GUI</abbr> element if you position the pointer
over it and hover there for a short while.
These little pop-up messages can be a good way to discover the
purpose of many aspects of the GUI.
</p>
<p>
Pop-ups can be distracting for experienced users, who may opt to
disable them via <kbd class="optoff">Edit &gt; Preferences &gt; GUI &gt;
Show tooltip if mouse hovers over a control</kbd>.
</p>

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---
layout: default
title: Undo/Redo for Editing
---
<p>
While editing, it happens that you apply an unintended change, or make
a choice one that you later decide was wrong. All changes to the
arrangement of session components (regions, control points) along the
timeline can be <dfn>undone</dfn> (and <dfn>redone</dfn> if necessary).
</p>
<p>
The default keybindings are <kbd class="mod1">Z</kbd> for Undo and
<kbd class="mod1">R</kbd> for Redo. These match the conventions of most
other applications that provide undo/redo.
</p>
<p>
Changes are also saved to the <dfn>session history</dfn> file, so that
undo/redo is possible even if you close the session and reopen it later,
even if you quit Ardour in between.
</p>
<p>
The maximum number of changes that can be undone can be configured under
<kbd class="menu">Edit &gt; Preferences &gt; Misc &gt; Undo</kbd>.
The maximum number of changes stored in the history file is a separate
parameter, and can also be set in the same place.
</p>
<p class="note">
In addition to the normal undo (which works only on actions that change
the timeline), there is a <dfn>visual undo</dfn> which will revert any
command that affects the display of the editor window. Its shortcut is
<kbd class="mod3">Z</kbd>.
There is also an undo for selection. See
<a href="/introducing-ardour/basic-gui-operations/selection-techniques/">Selection Techniques</a> for more information.
</p>

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---
layout: default
title: Using the Mouse
---
<h2>Clicking</h2>
<p>
Throughout this manual, the term <dfn>click</dfn> refers to the act of pressing
and releasing the <kbd class="mouse">Left</kbd> mouse button. This action is used to select objects, activate
buttons, turn choices on and off, pop up menus and so forth.<br />
On touch surfaces, it also corresponds to a single, one-finger tap on
the GUI.
</p>
<h2>Right Clicking</h2>
<p>
The term <dfn>right-click</dfn> refers to the act of pressing and releasing
the <kbd class="mouse">Right</kbd> mouse button.
This action is used to pop up <dfn>context menus</dfn> (hence the term
"context click", which you will also see). It is also used by default in
combination with the shift key to delete objects within the editor
window.
</p>
<p class="note mac">
Some mice designed for use with Mac OS X may have only one button. By
convention, pressing and holding the Control key while clicking is
interpreted as a right-click by many application..
</p>
<h2>Middle Clicking</h2>
<p>
A <dfn>middle-click</dfn> refers to the act of pressing and releasing the
<kbd class="mouse">Middle</kbd> mouse button. Not all all mice have a middle click button
(see the <a href="/setting-up-your-system/mouse/">Mouse</a> chapter for
details). Sometimes the scroll wheel acts as a clickable middle button.
This action is used for time-constrained region copying and mapping MIDI
bindings.
</p>
<p class="note">
Internally, your operating system may identify the mouse buttons as
<kbd class="mouse">Button1</kbd>, <kbd class="mouse">Button2</kbd>, and
<kbd class="mouse">Button3</kbd>, respectively. It may be possible to
invert the order of buttons to accommodate left-handed users, or to re-assign
them arbitrarily. This manual assumes the canonical order.
</p>
<h2>Double Clicking</h2>
<p>
A <dfn>double click</dfn> refers to two rapid press/release cycles on the
leftmost mouse button. The time interval between the two actions that
determines whether this is seen as two clicks or one double click is
controlled by your system preferences, not by Ardour.
</p>
<h2>Dragging</h2>
<p>
A <dfn>drag</dfn> primarily refers to the act of pressing the leftmost
mouse button, moving the mouse with the button held down, and then
releasing the button. On touch surfaces, this term also corresponds to
a single one-finger touch-move-release action.
</p>
<p>
Ardour also uses the middle mouse button for certain kinds of drags,
which will be referred to as <dfn>middle-drag</dfn>.
</p>
<h2>Modifiers</h2>
<p>
There are many actions in Ardour that can be carried out using a mouse
button in combination with a <dfn>modifier key</dfn>. When the manual
refers to <kbd class="mod1 mouse">Left</kbd>, it means that you should first
press the <kbd class="mod1"></kbd> key, carry out a left click
while <kbd class="mod1"></kbd> is held down, and then finally release the key.
</p>
<p>
Available modifiers depend on your platform:
</p>
<h3>Linux Modifiers</h3>
<ul>
<li><kbd>Ctrl</kbd> (Control)</li>
<li><kbd>Shift</kbd></li>
<li><kbd>Alt</kbd></li>
<li><kbd>Mod2</kbd></li>
<li><kbd>Mod3</kbd></li>
<li><kbd>Mod4</kbd></li>
<li><kbd>Mod5</kbd></li>
</ul>
<p class="warning">
The following section is almost certainly wrong. Will need to be checked
and rewritten asap.
</p>
<p>
Mod2 typically corresponds to the <kbd>NumLock</kbd> key on many systems.
On most Linux systems, there are no keys that will function as modifiers
Mod3, Mod4 or Mod5 by default, but they can be setup using
<dfn>xmodmap(1)</dfn>. This can be rather useful.
</p>
<h3>OS X Modifiers</h3>
<ul>
<li><kbd>Cmd</kbd> (Command, "windmill")</li>
<li><kbd>Ctrl</kbd> (Control)</li>
<li><kbd>Alt</kbd> (Option)</li>
<li><kbd>Shift</kbd></li>
</ul>
<h2>Scroll Wheel</h2>
<p>
Ardour can make good use of a <dfn>scroll wheel</dfn> on your mouse, which can be
utilized for a variety of purposes. Scroll wheels generate vertical
scroll events, <kbd class="mouse">&uArr;</kbd> (ScrollUp) and
<kbd class="mouse">&dArr;</kbd> (ScrollDown). Some also emit horizontal
events, <kbd class="mouse">&lArr;</kbd> (ScrollLeft) and
<kbd class="mouse">&rArr;</kbd> (ScrollRight).
</p>
<p>
When appropriate, Ardour will differentiate between these two different
scroll axes. Otherwise it will interpret ScrollDown and ScrollLeft as
equivalent and similarly interpret ScrollUp and ScrollRight as equivalent.
</p>
<p>
Typically, scroll wheel input is used to adjust
<dfn>continuous controls</dfn> such as faders and knobs, or to scroll
vertically or horizontally inside a window.
</p>

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---
layout: default
title: Cut and Paste Operations
---
<p>
The <dfn>clipboard</dfn> is a holder for various kinds of objects (regions,
control events, plugins) that is used during <dfn>cut-and-paste
operations</dfn>.
</p>
<h2>Cut</h2>
<p>
A <dfn>cut</dfn> operation removes selected objects and places them in the
clipboard. The existing contents of the clipboard are overwriten.<br />
The default key binding is <kbd class="mod1">x</kbd>.
</p>
<h2>Copy</h2>
<p>
A <dfn>copy</dfn> of the selected objects are placed in clipboard. There is
no effect on the selected objects themselves. The existing contents of the
clipboard are overwritten. <br />
The default key binding is <kbd class="mod1">c</kbd>.
</p>
<h2>Paste</h2>
<p>
The current contents of the clipboard are <dfn>paste</dfn>d (inserted)
into the session, using the current <dfn>edit point</dfn> as the
destination. The contents of the clipboard remain unchanged &mdash; you
can paste the same item multiple times. <br />
The default key binding is <kbd class="mod1">v</kbd>.
</p>

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---
layout: default
title: Deleting Objects
---
<p>
Within the Editor window (and to some extent within the Mixer window too),
there are several techniques for <dfn>deleting</dfn> objects (regions,
control points, and more).
</p>
<h2>Using the mouse and keyboard</h2>
<p>
Select the object(s) and then press the <kbd>Del</kbd> key.
This does <strong>not</strong> put the deleted object(s) into the cut
buffer, so they cannot be pasted elsewhere.
</p>
<h2>Using normal cut and paste shortcuts</h2>
<p>
Select the object(s) and then press <kbd class="mod1">x</kbd>. This puts
the deleted object(s) into the cut buffer so that they could be pasted
elsewhere.
</p>
<h2>Using just the mouse</h2>
<p>
By default, <kbd class="mouse">Shift Right</kbd> will delete the
clicked-upon object. Like the Del key, this does <strong>not</strong>
put the deleted object(s) into the cut buffer.
</p>
<p>
The modifier and mouse button used for this can be controlled via
<kbd class="menu">Edit &gt; Preferences &gt; User Interaction &gt;
Delete using ...</kbd>. Any modifier and mouse button combination can
be used.
</p>

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@ -12,7 +12,7 @@ title: The Transport Menu
<dt class="sub1">Play Selection</dt><dd>Only plays the selected part of the session, be it a range or selected regions</dd>
<dt class="sub1">Play Selection w/Preroll</dt><dd>As the previous menu, except it starts the playback 1/2 bar before the beginning of the selection</dd>
<dt class="sub1">Start/Continue/Stop</dt><dd>FIXME</dd>
<dt class="sub1">Play from Edit Point and Return</dt><dd>Starts the playback at the <a href="/ardours-interface/the-editor/the-toolbar/the-edit-point-control/">Edit point, and when stopped, goes back to the orginial location</a></dd>
<dt class="sub1">Play from Edit Point and Return</dt><dd>Starts the playback at the <a href="/ardours-interface/the-editor/the-toolbar/the-edit-point-control/">Edit point</a>, and when stopped, goes back to the orginial location</dd>
<dt class="sub1">Play Loop Range</dt><dd>If a <a href="/working-with-markers/loop-range/">Loop range</a> is defined, play it and loop until stopped</dd>
<dt>Start Recording</dt><dd>This is a shortcut to trigger the global recording, and start playback at once</dd>
<dt>Stop and Forget Capture</dt><dd>Stops the recording, removes the newly created material, and goes back to the original position</dd>

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---
title: Audio/MIDI Mixer Strips
---
<img class="right" src="/images/mixer-1-strip-numbered.png" alt="A mixer strip">
<p>
A <dfn>mixer strip</dfn> in Ardour is a vertical view of the track, from a mixing point of view.
This view is convenient to deal with I/O, effects, panning/muting, gain, etc... It has a general
"top to bottom" flow.
</p>
<p>
The mixer strips breaks down into :
</p>
<ol>
<li>Header</li>
<li>Track name</li>
<li>Input(s)</li>
<li>Polarity <em>only for audio tracks</em></li>
<li>Processor box</li>
<li>Panner</li>
<li>Recording options</li>
<li>Mute/Solo</li>
<li>Gain &amp; Meter</li>
<li>Control master</li>
<li>Fader automation/mix group/metering point</li>
<li>Output(s)</li>
<li>Comments</li>
</ol>
<h2>Headers</h2>
<p>
At the top of the window, is the <a href="/working-with-tracks/track-and-bus-groups/">group tabs</a> (here, <em>recm...</em>).
This allows to group tracks together for common controls.
</p>
<p>
Bellow are 3 buttons :
</p>
<ul>
<li>
The double arrow button allows to shrink/expand the width of the strip. <kbd
class="mod1"></kbd><kbd class="mod3"></kbd><kbd class="mouse">Click</kbd> the button will shrink/expand all
the tracks at once
</li>
<li>
The color bar shows the color of the track in the editor
</li>
<li>
The <kbd class="menu">X</kbd> button toggles the visibility of the track OFF. To turn it back ON,
one can either go to the <a href="/ardours-interface/the-editor/the-editor_s-lists/tracks-and-busses-list/">Tracks and Busses list</a>
in the Editor view and check the "V" column on the track's line or stay in the Mixer view
and check the <kbd class="menu">Show</kbd> column of this strip in the
<a href="/ardours-interface/the-mixer/the-strips-list/">Strips list</a>.
</li>
</ul>
<p>
<kbd class="mouse">Right</kbd> clicking on the color bar will bring up a context menu, which is exactly the same as clicking on the Track name button.
</p>
<h2>Track Name</h2>
<p>
Clicking the Track name button will bring up a menu :
</p>
<dl>
<dt>Color...</dt><dd>Changes the strip/track color</dd>
<dt>Comments...</dt><dd>Shows an editor to put comments about the track, see bellow the Comments button</dd>
<dt>Inputs...</dt><dd>Shows the Routing grid for the inputs of the track</dd>
<dt>Outputs...</dt><dd>Shows the Routing grid for the outputs of the track</dd>
<dt>Save As Template...</dt><dd>Allows to save the track without its media content (I/O, effects,...) for later reuse</dd>
<dt>Rename...</dt><dd>Changes the name of the track (effective both in the Mixer and the Editor)</dd>
<dt><kbd class="option"></kbd>Active</dt><dd>Select the active status of the track. An inactive track won't output any sound</dd>
<dt><kbd class="option"></kbd>Strict I/O</dt><dd>While in <a href="/signal-routing/signal-flow/">Strict I/O</a> mode, a track <em>always</em> has as many output as it has inputs, regardless of the effects. When disabled, a stereo effect put on a mono track will result in a stereo output for the strip.</dd>
<dt>Pin Connections...</dt><dd>Shows the <kbd class="menu">Pin Configuration</kbd> window, that shows (and allows to modify) all the signal flows inside the track</dd>
<dt>Adjust Latency...</dt><dd>Shows the <kbd class="menu">Track Latency</kbd> dialog, that allows fine-tune the latency to the track, in samples, msec or period</dd>
<dt><kbd class="option"></kbd>Protect Against Denormals</dt><dd>Uses a trick to get rid of <em>denormals</em>, which are very small numbers the CPU can have a hard time dealing with. To be used if the CPU consumption for plugins is noticeably higher than expected</dd>
<dt>Duplicate...</dt><dd>Copies the track to a new one, optionnaly with its playlist</dd>
<dt>Remove</dt><dd>Deletes the track and its playlist</dd>
</dl>
<h2>Inputs</h2>
<p>
The dropdown button shows the current input port(s), i.e. what's plugged to the "in" of the track.
By default, each audio track is connected to the system inputs, ready for recording,
as shown by the number(s).
Clicking the dropdown Inputs button will allow to change the inputs, through a menu:
</p>
<dl>
<dt>Disconnect</dt><dd>Disconnects everything, i.e. the track has no input</dd>
<dt>In <em>n</em></dt><dd>Those are the system inputs, e.g. to record from the soundcard. A mono track will have <em>In 1</em> and <em>In 2</em> separated, while a stereo track can have <em>In 1+2</em></dd>
<dt><em>Track n output</em></dt><dd>All the outputs of compatible tracks, e.g., a mono track can only receive a mono signal, a MIDI track can only receive MIDI signal, ...</dd>
<dt>Add Audio Port</dt><dd>Adds an audio input to the track, i.e. a mono audio track becomes a stero one</dd>
<dt>Add MIDI Port</dt><dd>Adds a MIDI input to the track. Adding it to an audio track makes it a mixed Audio/MIDI track. This can be usefull e.g. to feed some plugins with a MIDI signal to control the audio, like a vocoder</dd>
<dt>Routing Grid</dt><dd>Shows the <a href="/signal-routing/Patchbay/"><kbd class="menu">Routing Grid</kbd> window</a>, which allows for more complex input configuration</dd>
</dl>
<p>
The <kbd class="menu">Routing Grid</kbd> can also be shown by right clicking the dropdown Inputs button.
It allows to make the connections through a matrix, and connect things that are not listed in the menu above,
or connect to multiple sources at once, reduce the number of inputs, etc...
</p>
<p>
On audio tracks, is a Trim knob, as on traditional consoles.
It set the base input level for the track, avoiding any clipping. Notice that it
trims both any input, but (when playing back), also the level of the playlist as
displayed in the Editor. It makes sense as while playing, the input of the track is
the playlist, on which the mixer strip acts.
</p>
<p>
On midi tracks, it is replaced by a MIDI Input button, that allows/disallows
MIDI input on the track.
</p>
<h2>Polarity</h2>
<p>
On audio tracks only, the Polarity button(s), 1 per input, allow to reverse
the signal, i.e. a negative value will be positive and vice-versa. This can
help deal with phasing issues.
</p>
<h2>Processor box</h2>
<p>
The processor box is where the effects are added. By default, one effect is always
present : the Fader (see bellow). The effects can be added <em>pre</em>-fader and appear in brown,
or <em>post</em>-fader, where they will appear in dark green. The signal flow is represented by lines,
red for the MIDI and green for the audio.
</p>
<p>
It is also where the <a href="/signal-routing/aux-sends/">Sends</a> come from, wether external or auxiliary.
</p>
<p>
To learn more about the processor box, see <a href="/working-with-plugins/processor-box/">The Processor Box</a>.
</p>
<h2>Panner</h2>
<p>
The <dfn>Panner</dfn> visually displays how the sound will be distributed between the different outputs.
They'll look and behave differently if the track is mono, stereo, or has multiple channels.
</p>
<p>
Right clicking the Panner will show a menu:
</p>
<dl>
<dt><kbd class="option"></kbd>Bypass</dt><dd>When checked, the panner is grayed, and the signal is not affected by it</dd>
<dt>Reset</dt><dd>Resets the panner to its default settings, e.g. for a mono signal, it is centered</dd>
<dt>Edit...</dt><dd>Shows a <kbd class="menu">Panner</kbd> dialog, which allows for fine tuning of the panner</dd>
</dl>
<p>
See <a href="/mixing/panning/">Panning</a> to learn more about how to control the panner,
and what kind of panners are available inside Ardour.
</p>
<h2>Recording options</h2>
<p>
The most noticeable button here is the Record Enable one, with a red circle. When
enabled, next time the Global record will be armed and playback started, everything that
comes from the input of the track will be recorded. Right clicking a disabled record
button allows to enable <kbd class="menu">Rec-Safe</kbd>, thus protecting the track
against accidental recording.
</p>
<p>
The buttons on the right, <kbd class="menu">In</kbd> and <kbd class="menu">Disk</kbd>,
show what the user is listening to by lighting up, between the <em>In</em>put and the
actual content of the playlist on <em>Disk</em>.
</p>
<p>
They also allow to override the automatic switching by pressing them to lock one
source or the other to be what the user is hearing.
</p>
<h2>Mute/Solo</h2>
<p>
These buttons allow to Mute (or silence) the track, or Solo them, shutting down the
gain of the other tracks (totally by default, can be set to partially in the options).
See <a href="/mixing/muting-and-soloing/">Muting and Soloing</a>
for more information.
</p>
<p>
Notice that by default, Solo overrides Mute, i.e. if a track is both Soloed and Muted, it will
play. That can be changed in the preferences.
</p>
<p>
The two led button above are related to solo :
</p>
<ul>
<li>Solo Isolate, as the name suggests, isolates tracks or busses from the solo system. When tracks or busses are soloed the isolated ones will not mute.</li>
<li>Solo Lock locks the solo into its current state (ie solo on or solo off). It will not allow the solo state to be changed until the lock is released.</li>
</ul>
<h2>Gain &amp; Meter</h2>
<p>
On the right of this part is a <a href="/meters/">Meter</a>, displaying the level of the track's
output after the fader. In can be set to display the signal at any point, see below <em>Metering Point</em>.
Right clicking this meter shows a menu allowing to switch the meter type.
</p>
<p>
The big Gain slider on the left allows to change the gain of the track. Its default O dB
value is reminded with a white horizontal line, and its precise value is shown
in a text field above it, that doubles as a way to type in a numeric value.
</p>
<p>
The text field above the meter shows the "Peak", i.e. the mawimum value that has been
reached during playback. To avoid distortion, the value should stay bellow O dB, and
if it goes above this value, the text field will turn red. Clicking on this field
will reset the Peak value (for a new measurement or a new part of the track).
</p>
<p class="note">
Notice that if any gain automation has been set and the automation state is set on "Play"
(see below), then the Gain fader is driven by the automation, and not by the user. The Gain fader will
turn grey to show it's inactive.
</p>
<h2>Control master</h2>
<p>
If at least one control master exists, this button will show up, allowing the user
to link this track to any control master.
</p>
<p>
Clicking the button lists all the available control masters, and a menu option to
<kbd class="menu">Unassign all</kbd>. Notice that a track can have be a slave to as many
control masters as they are in the session, hence multiplying the number of C.M. buttons.
The displayed number is the number of the Control Master, not the count of C.M. linked
to the track. A track with no control master assigned will show a unique button with a
"<kbd class="menu">-vca-</kbd>" label instead of this number.
</p>
<h2>Fader automation/mix group/metering point</h2>
<h3>Fader automation mode</h3>
<p>
This button allows to choose the mode used regarding automation:
</p>
<dl>
<dt>Manual</dt><dd><em>(default)</em> The playback won't use the fader automation data</dd>
<dt>Play</dt><dd>Enables playback/use of fader automation data</dd>
<dt>Write</dt><dd>While the transport is rolling, all fader changes will be recorded to the fader automation lane</dd>
<dt>Touch</dt><dd>While the transport is rolling, touching the fader will initiate recording all fader changes until the fader is released. When the fader is not being touched, existing automation data will be played/used to control the gain level.</dd>
</dl>
<h3>Mix group</h3>
<p>
This button displays the mix group information as does the tab in the header (see above).
It is convenient though, as it allows to quickly switch the track from one
group to another with a drop down menu, also allowing to affect the track to
a non-adjascent group (which the tab won't easily allow).
</p>
<h3>Metering Point</h3>
<p>
The metering displayed in the meter is by default is 'Post', i.e. Post fader.
It can be changed with this button to Any point of the signal flow :
</p>
<dl>
<dt>In</dt><dd>The input of the track</dd>
<dt>Pre</dt><dd>Pre-fader</dd>
<dt>Post</dt><dd>Post-fader</dd>
<dt>Out</dt><dd>The output of the track</dd>
<dt>Custom</dt><dd>A <em>Meter</em> processor is added to the processor box an can be set anywhere (by dragging and dropping) to probe the signal flow at that pointat the point</dd>
</dl>
<h2>Output(s)</h2>
<p>
This button is exactly the same as the <em>Input</em> button, but applies to the <em>output</em>
of the track.
</p>
<h2>Comments</h2>
<p>
This buttons open up a little text editor, that can be used to add some written notes to the track,
as e.g. a particular setting. The button's caption is replaced by the beginning of the text, so
it can be used as a "sub"name for the track.
</p>

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