Dual Arpeggio

The Dual Arpeggio device accepts one or several notes as input and generates rhythmic patterns based on these notes. You can use it as a traditional “monophonic” arpeggiator, where arpeggio lines are played back one note at a time, based on the notes you play/hold on the MIDI Control Keyboard.

You can also use it in Pattern Mode, where you can create polyphonic (up to 4 notes) rhythmic patterns, depending on how many notes you play/hold on your MIDI Control Keyboard.

You can control the Velocity of the arpeggiated notes from your MIDI Control Keyboard, or by activating the Velocity switch and drawing in Velocity values in the display.

Dual Arpeggio has two independent arpeggiator sections, that are identical. The sections can either be played by the same input notes (parallel) or you can set up separate key ranges for them (key split). Input notes that are outside the set range(s) will be throughput as is, which means you can play melodies on top of arpeggiated chords etc.

The Dual Arpeggio device plays back in sync with the Reason sequencer, as soon as you input notes to it.

Arp1/Arp2

These are the “on/off” buttons for each of the sections.

Input Range

Here you can define the input note range, to which the arpeggiator should respond. Input notes outside the set range(s) are bypassed and let through unaffected. This is very useful if you, for example, want to play melodies on top of arpeggiated chords.

Set the lowest and highest input note that should be routed to the corresponding arpeggio section, by click-holding the notes in the displays and dragging up/down.

You can also set the Input Range by using the LRN (Learn) buttons:

Press a key on your MIDI Control Keyboard and then click the desired LRN button to input the note number for the pressed key.

Repeat the procedure in the other display for the other note in the range.

Rate

Set the time division to which to play back the arpeggiated notes.

Values: 8 bars, 4 bars, 3 bars, 2 bars, 7/4, 6/4, 5/4, 4/4, 3/4, 2/4, 3/8, 1/4, 3/16, 1/8, 1/8T, 1/16,
1/16 Shuffle*, 1/16T, 1/32, 1/32T, 1/64.

* The Shuffle amount is set with the Global Shuffle knob in the ReGroove Mixer, see “Global Shuffle”.

Octave

Set how many octaves the arpeggiated notes should cover.

Range: 1-4 octaves.

Provided the Pattern function (see “Pattern”) is not active, this is what will be played back:

| Octave range	| Description
1 Oct	The arpeggiated notes will be those that you press down on the keyboard.
2 Oct	If you select this, the arpeggio will be extended to a two octave range, i.e, the arpeggio pattern is played then repeated one octave up. In Random mode, the notes you input are played in random order over 2 octaves.
3 Oct	Same as 2 Oct but extended to a three octave range.
4 Oct	Same as 2 Oct but extended to a four octave range.

Repeat

Activate this to repeat each note in the generated arpeggio.

Since each note is played back twice at the set Rate, the total length of the arpeggio will be twice as long.

Direction

Click-hold in the display and drag up/down to select the direction of the arpeggio/pattern notes.

Values: Up, Down, Up+Down and Random.

Provided the Pattern function (see “Pattern”) is not active, this is how it works:

| Mode	| Description
Up	This will generate an arpeggio that plays from the lowest note to the highest note.
Down	Notes are played from the highest note to the lowest note.
Up+Down	Notes are played from lowest note to highest, then from highest back down to the lowest. The very lowest and the highest arpeggio notes are not repeated. I.e. the arpeggiator will play the lowest note to the second highest note, then the highest note to the second lowest note.
Random	The notes you input will be arpeggiated randomly.

If the Pattern function is active (see “Pattern”), the Direction setting only determines in which direction the steps should advance - regardless of the pitches of the notes in the pattern.

Hold

Click the Hold button to keep the arpeggio running even after you release all keys.

It will continue to arpeggiate the last notes played until a new note-on is received.

•	If you continue to hold down at least one key when Hold is on, any new notes will be added to the existing arpeggio as opposed to starting a new arpeggio.

The Display sections

In the display sections you can design your arpeggios/patterns.

Normal (Arpeggio) mode

If none of the switches to the left of the display (Steps, Pattern or Velocity) are activated, the display only shows the orange moving step indicator (if you hold down more than one key on your MIDI Control Keyboard). The rest of the display area is dark.

•	The step indicator travels the same number of steps as the number of notes you play and hold on your MIDI Control Keyboard.

So, if you hold down a 5-note chord, the step indicator advances five steps before it starts over again.

Steps

If you want the arpeggio to always play a certain number of steps, regardless of how many keys you hold down, you can activate the Steps function. This is perfect for maintaining a steady “beat” in your song.

1.	Click the Steps switch to activate the Steps function.

The default value is 4 steps.

2.	Click or click-hold and drag on the right side of the orange bar on the area above the step indicator, to increase or decrease the number of steps:

The arpeggio (or Pattern, see below) will restart after the set number of steps, regardless of how many notes you are playing.

Range: 1-16 steps.

Pattern

In the default “Arpeggio mode” (Pattern switch off), the arpeggiator(s) work in the standard “monophonic” fashion, where the notes are played back one by one according to the settings you have made in the left section of the device.

With Pattern activated, the arpeggiator turns into a combined pattern player + arpeggiator. Pattern mode allows for up to four-note polyphonic “arpeggios”.

Here is how it works:

1.	Click the Pattern switch to activate the Pattern function.

All currently active pattern steps (green boxes) light up in the display.

The four green boxes in the example above represent the playback pattern if you hold a 4-note chord on your MIDI Control Keyboard. The lowest row in the display represents the lowest held note in the chord you play.

2.	Set the Direction to “Up” (see “Direction”), to make the examples below work as described.

If you, for example, hold down the keys C4, E4, G4 and B4, the pattern plays back C4 in step 1, E4 in step 2, G4 in step 3 and B4 in step 4. Then the pattern starts over again:

If you hold down fewer keys, the pattern steps gets equally fewer steps and only plays back the new lowest to the new highest notes in the chord:

3.	Click in any of the matrix boxes to edit the pattern:

Editing the pattern.

•	Each step can have a note that can be 1/3, 2/3 or 1/1 of the step’s total length, depending on where in the box you click.

This way you could draw in “staccato” notes for desired steps, if you like. If you click the full 1/1 of a step (click in the right area of the box), and then click another consecutive box on the same row, the notes will be tied together (played in legato).

If you hold down the keys C4, E4, G4 and B4, the pattern above now plays back C4 and B4 in step 1, E4 and B4 in step 2, G4 in step 3 and B4 in step 4. Then the pattern starts over again:

Click anywhere on a filled box to delete the note.

To fill several consecutive boxes on the same row with identical note lengths, click and hold on the desired position in the initial box and then drag to the right:

Adding consecutive notes by click-holding and dragging.

Here are some general rules regarding Pattern Mode:

•	A pattern can be up to 16 steps long (if Steps is activated, see “Steps”).

•	The notes you play are then mapped to the four note positions for each step.

If you play a four note chord, some steps may play only the lowest note, others may play a higher note or a combination of notes or all four.

•	If you hold down more than four notes, note 5 and up are ignored completely in the pattern.

Note that if the Steps function is not active (see “Steps”), note 5 and up will add additional silent steps in the pattern, making the pattern longer.

•	If you play fewer notes than the number of rows you have programmed in you pattern, this is what happens:

Let’s take the pattern below (with the Steps function off) as an example:

Pattern Mode with the Steps function off.

If you only hold down key C4, note C4 is repeated (since the pattern length is only one step with one key pressed):

If you hold down C4 and E4, the pattern plays back C4 and E4 alternating (since the pattern length is now two steps with two keys held):

If you hold down C4, E4, and G4 the pattern plays back C4, E4 and G4 alternating (since the pattern length is now three steps with three keys held):

•	If we now do the same procedure with the Steps function on - and set the number of steps to 4 - things work a little differently.

This is what happens:

Pattern Mode with the Steps function on.

If you only hold down key C4, note C4 is played back on step 1 and note C5 is played back on step 2. Steps 3 and 4 are silent. In other words, a new note one octave above is automatically generated on the second step:

If you hold down C4 and E4, the pattern plays back note C4 on step 1, note E4 on step 2, note C5 on step 3 and note E5 on step 4. So, the two held notes are played back one octave higher on steps 3 and 4:

If you hold down C4, E4, and G4 the pattern plays back C4 on step 1, E4 on step 2, G4 on step 3 and C5 on step 4. As you can see, the lowest held note is played back one octave higher on step 4:

Velocity

In default mode, when the Velocity function is off, the velocities of the input notes set the velocity of each generated note in the arpeggio/pattern. If you want to define the velocity values and draw them in manually, you can activate the Velocity function.

1.	Click the Velocity switch:

2.	Click or click-hold and drag the blue Velocity bars to manually set the velocity values.

When you play your chords, the input velocity is disregarded and replaced by the values you drew in the display.

Range: 0-127.

Shift Step

Change where in the arpeggio/pattern you want the playback to begin.

Range: -16 to + 16 steps.

Transpose

Transpose all the generated arpeggio/pattern notes equally, in semitone steps.

Range: -24 to + 24 semitones.

Gate Length

Change the lengths of the generated arpeggio/pattern notes.

Here you can change the “gate/hold” time for the generated arpeggio/pattern notes. 100% means the gate time is exactly one full Step. A Length of 25% results in a gate time of 1/4 of a Step and a Length of 400% means a gate time of four Steps.

Range: 25%-400%.