start fleshing out Push 2 support docs
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@ -5,13 +5,14 @@ menu_title: Ableton Push 2
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---
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<p>
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Since version 5.0, Ardour has had full support for the Ableton
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Push2. This is an expensive but well engineered control surface
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primarily targetting the workflow found in Ableton's Live software
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and other similar tools such as Bitwig. As of 5.0, Ardour does not
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offer the same kind of workflow, so we have repurposed the Push 2 to
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be used for mixing and editing, rather than the clip/scene oriented
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approach in Live.
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Since version 5.4, Ardour has had full support for the Ableton
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Push2. This is an expensive but beautifully engineered control
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surface primarily targetting the workflow found in Ableton's Live
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software and other similar tools such as Bitwig. As of 5.4, Ardour
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does not offer the same kind of workflow, so we have repurposed the
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Push 2 to be used for mixing and editing and musical performance,,
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without the clip/scene oriented approach in Live. This may change in
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future versions of Ardour.
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</p>
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<h2>Connecting the Push 2</h2>
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@ -48,37 +49,135 @@ menu_title: Ableton Push 2
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future sessions.
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</p>
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<h2>Using the Push 2</h2>
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<h2>Basic Concepts</h2>
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<p>
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Below we document the functionality accessible from each control on
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the Push 2. The controls can be divided into several sections.
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With the Push 2 support in Ardour 5.4, you can do the following
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things:
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<dl>
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<dt>Pads</dt>
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<dd></dd>
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<dt>Buttons</dt>
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<dd></dd>
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<dt>Encoders</dt>
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<dd></dd>
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<dt>Touch Strip</dt>
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<dd></dd>
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<dt>Perform using the 8 x 8 pad "grid"</dt>
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<dd>The Push 2 has really lovely pressure-sensitive pads that can
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also generate either aftertouch or note (polyphonic) pressure.</dd>
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<dt>Global Mixing</dt>
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<dd>See many tracks at once, and control numerous parameters for each.</dd>
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<dt>Track/Bus Mixing</dt>
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<dd>View a single track/bus, with even more parameters for the track.</dd>
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<dt>Choose the mode/scale, root note and more for the pads</dt>
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<dd>37 scales are available. Like Live, Ardour offers both
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"in-key" and "chromatic" pad layouts.</dd>
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</dl>
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</p>
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<h2>Musical Performance</h2>
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<p>
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Conceptually, Ardour dividers the controls into a set of 8 strips,
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each consisting of an encoder (at the top), 2 buttons on either side
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of the display, and 8 pads. All the other controls have independent
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functions.
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<p>
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Buttons who function is somewhat related to the label built into the
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device will have the label illuminated.
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Messages sent from the 8x8 pad grid and the "pitch bend bar" are
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routed to a special MIDI port within Ardour called "Ableton Pads"
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(no extra latency is incurred from this routing). Although you can
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manually connect this port to whatever you wish, the normal
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behaviour of Ardour's Push 2 support is to connect the pads to the
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most recently selected MIDI track.
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</p>
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<p>
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Buttons that Ardour uses for entirely different purposes than the
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builtin label are left unilluminated, but still provide some
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functionality.
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This means that to play a soft-synth/instrument plugin in a given
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MIDI track with the Push 2, you just need to select that track.
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</p>
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<p>
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The upper right encoder is used as a gain control (volume) for the
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Master out or Monitor out busses.
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If multiple MIDI tracks are selected at once, the first selected
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track will be used. Note that messages originating from all other
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controls on the Push 2 will <em>not</em> not be delivered to the
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"Ableton Pads" port. This makes no difference in practice, because
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the other controls do not send messages that are useful for musical
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performance.
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</p>
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<h2>Global Mix</h2>
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<p>
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This is the default mode that Ardour will start the Push 2 in. In
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this mode, the 8 knobs at the top of the device, the 8 buttons below
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them, the video display and the 8 buttons below that are combined to
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provide a global view of the session mix.
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<!-- SCREENSHOT HERE -->
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</p>
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<p>
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The upper buttons are labelled by text in the video display just
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below them. Pressing one of the buttons changes the function of the
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knobs, and the parameters that will shown for each track/bus in the
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display. As of Ardour 5.4, the possible parameters are:
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<dl>
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<dt>Volumes</dt>
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<dd>The display shows a knob and text displaying
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the current gain setting for the track, and a meter that
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corresponds precisely to the meter shown in the Ardour GUI for
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that track. Changing the meter type (e.g. from Peak to K12) in the
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GUI will also change it in the Push 2 display. The physical knob
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will alter track/bus gain.
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</dd>
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<dt>Pans</dt>
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<dd>The display shows a knob indicating the pan direction/azimuth
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for the corresponding track/bus. Turning the physical knob will
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pan the track left and right. If the track/bus has no panner
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(i.e. it has only a single output), no knob is shown and the
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physical knob will do nothing. </dd>
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<dt>Pan Widths</dt>
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<dd><p>For tracks with 2 outputs, the display will show a knob
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indicating the pan width setting for the corresponding
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track/bus. The physical knob can be turned to adjust the
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width.
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</p>
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<p>
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Unlike many DAWs, Ardour's stereo panners have "width"
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parameter that defaults to 100%. You cannot change the pan
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direction/azimuth of a track with 100% width, but must first
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reduce the width in order to pan it. Similarly, a track panned
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anywhere other than dead center has limits on the maximum
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width setting. If these concepts are not familiar to you,
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please be aware than many DAWs use a "panner" that actually
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implement "balance" and not "panning", hence the difference.
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</p>
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</dd>
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<dt>A Sends</dt>
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<dd>The display shows a knob indicating the gain level for the
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first send in that track. If the track has no send, no knob will
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be shown, and the physical knob for that track will do nothing.
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</dd>
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<dd>B Sends, C Sends, D Sends</dd>
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<dt>Like "A Sends", but for the 2nd, 3rd and 4th sends of a
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track/bus respectively.
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</dt>
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</dl>
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</p>
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<h2>Track Mix</h2>
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<h2>Specific Button/Knob Functions</h2>
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<p>
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In addition to the layouts described above, many (but not all) of
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the buttons and knobs around the edges of the Push 2 will carry out
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various functions related to their (illuminated) label. As of Ardour
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5.4, this includes:
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<ul>
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<li>Metronome (button and adjacent knob)</li>
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<li>Undo/Redo</li>
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<li>Duplicate</li>
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<li>Delete</li>
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<li>Double Loop</li>
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<li>Quantize</li>
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<li>Duplicate</li>
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<li>Rec-Enable</li>
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<li>Play</li>
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<li>Add Track</li>
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<li>Browse</li>
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<li>Master</li>
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<li>Cursor arrows</li>
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<li>Repeat</li>
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<li>Scale</li>
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<li>Layout</li>
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<li>Octave buttons</li>
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<li>Page buttons</li>
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<li>Master knob</li>
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</ul>
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</p>
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