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Difference between revisions of "X/Y switching"

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Not all effect blocks that support X/Y have a specific MIDI CC available for that task. The FX8 lets you assign CCs to those, the Axe-Fx II does not. There's a way around this. Use a MIDI Monitor to view the MIDI sysex command that switches the block between X/Y. Then program a switch on the controller using that data.
 
Not all effect blocks that support X/Y have a specific MIDI CC available for that task. The FX8 lets you assign CCs to those, the Axe-Fx II does not. There's a way around this. Use a MIDI Monitor to view the MIDI sysex command that switches the block between X/Y. Then program a switch on the controller using that data.
  
=Audio gap when switching the Amp block between X and Y=
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=Gap in audio when switching the Amp block between X and Y=
 
Switching an Amp block between X and Y will cause a brief gap in the audio.
 
Switching an Amp block between X and Y will cause a brief gap in the audio.
  
 
This is especially important with the AX8, because it has a single amp block.
 
This is especially important with the AX8, because it has a single amp block.
  
=Indication of the X/Y state=
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=Visual indication of the X/Y state=
 
The visual X/Y state of effects blocks is shown in the software editors.
 
The visual X/Y state of effects blocks is shown in the software editors.
  
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* Axe-Fx II and FX8: the current X/Y state of the selected block is shown in an effect block's EDIT menu (not on the Layout page).
 
* Axe-Fx II and FX8: the current X/Y state of the selected block is shown in an effect block's EDIT menu (not on the Layout page).
  
=X/Y switching and CPU usage=
+
=X/Y and CPU usage=
 
CPU usage is calculated using the current state of a block (X or Y). When switching an effect between X and Y, the preset's CPU usage may change.
 
CPU usage is calculated using the current state of a block (X or Y). When switching an effect between X and Y, the preset's CPU usage may change.
  

Revision as of 19:37, 14 November 2017

The information on this page supplements the official manuals.

Xy.jpg

X/Y switching: supported by which Fractal Audio products?

  • Axe-Fx II: yes.
  • MFC-101: yes.
  • AX8: yes.
  • FX8: yes.

About X/Y switching

Most effect blocks in the Axe-Fx II, FX8 and AX8 can be switched between two preconfigured states: X and Y, without manually changing parameters.

X/Y-switching occurs at block level.

Fractal Audio:
"The idea behind X/Y is that people often have multiple distortion/chorus/delay/etc. pedals on their board but they rarely have more than one on at a time. So rather than creating more instances of effects, which sucks up CPU, have each instance capable of more than one sound."

Sounds do not crossfade when switching between X and Y. If you want crossfading, use Scene Controllers as an alternative to X/Y switching.

Effect blocks which support X/Y

Axe-Fx II Mark I and II: Amp, Cab, Chorus, Delay, Drive, Flanger, Phaser, Pitch, Reverb, Wah, Rotary.

Axe-Fx II XL and XL+: Amp, Cab, Chorus, Compressor/Dynamics, Delay, Drive, Flanger, GEQ, Gate, Mixer, PEQ, Phaser, Pitch, Rotary, Reverb, Tremolo, Wah.

AX8: Amp, Cab, Chorus, Compressor/Dynamics, Delay, Drive, Filter, Flanger, Gate, Multi Delay, Phaser, Pitch, Rotary, Reverb, Tremolo, Wah.

FX8: Chorus, Compressor/Dynamics, Delay, Drive, Filter, Flanger, Gate, MIDI, Multi Delay, Phaser, Pitch, Relay, Rotary, Reverb, Tremolo, Wah.

Fractal Audio:
"Any blocks that have X/Y on the XL but not on the Mark II will not import the bypass state as that is stored differently. You need to manually adjust the bypass state after import." source

How to switch an effect between X and Y

Axe-Fx II: Use the dedicated X/Y buttons on the front panel.

FX8 and AX8:

  • Hold a switch (1-8) to alternate between X and Y. If the LED is amber lit, Y is active.
  • Assign one of the three F-switches to "Single X/Y" or "Sticky X/Y", then press the switch which has been assigned to the effect.
  • Switch a block between X and Y on the grid, using a shortcut key:
    • AX8: SHIFT + 2x EDIT on LAYOUT page, or 2x EDIT in a block's editing mode.
    • FX8: 2x EDIT on CFG screen.

Scenes: The X/Y state of an effect can vary per scene. This is one of the advantages of using scenes.

Editors: Press the "X" key on the keyboard to switch a block between X and Y in the software editor. The X/Y-states of the blocks are displayed in the software editor, without needing to select the block first.

MFC-101 and other MIDI controllers: There's a dedicated "X/Y switching" MIDI CC for most blocks (not all) that offer X/Y switching. They are listed in the manuals. Assign the CC to a switch to alternate between X and Y.

You can configure X/Y effect blocks to engage the effect in either X or Y mode. Example: (source)

  1. IA Switch 1, ON message: DELAY 1 ON, DELAY 1 X (CC#47:127, CC#106: 127)
  2. IA Switch 1, OFF message: DELAY 1 OFF, DELAY 1 X (CC#47:0, CC#106: 127)
  3. IA Switch 2, OFF message: DELAY 1 ON, DELAY 1 Y (CC#47:127, CC#106: 0)
  4. IA Switch 2, OFF message: DELAY 1 OFF, DELAY 1 Y (CC#47:0, CC#106: 0)

Or use a MIDI controller's "group" or "linked switches" feature.

On the MFC-101 X is green, Y is red. If you prefer the default state to be green, use Y as the default state.

Not all effect blocks that support X/Y have a specific MIDI CC available for that task. The FX8 lets you assign CCs to those, the Axe-Fx II does not. There's a way around this. Use a MIDI Monitor to view the MIDI sysex command that switches the block between X/Y. Then program a switch on the controller using that data.

Gap in audio when switching the Amp block between X and Y

Switching an Amp block between X and Y will cause a brief gap in the audio.

This is especially important with the AX8, because it has a single amp block.

Visual indication of the X/Y state

The visual X/Y state of effects blocks is shown in the software editors.

  • AX8: the current X/Y state of the selected block is shown at the bottom of the Layout page.
  • Axe-Fx II and FX8: the current X/Y state of the selected block is shown in an effect block's EDIT menu (not on the Layout page).

X/Y and CPU usage

CPU usage is calculated using the current state of a block (X or Y). When switching an effect between X and Y, the preset's CPU usage may change.

Copy and swap X/Y settings

X and Y effect settings can be copied on the front panel of the Axe-Fx II: press X or Y twice quickly.

Swapping X and Y settings always requires use of the software editor.

Resetting a block and X/Y settings

Resetting an effect block on the hardware resets the parameters to their default values. This only applies to the current state: X or Y. To reset the entire block, switch to the other state and repeat the process (or use the software editor to reset the entire block).

Controllers/modifiers and X/Y settings

When a controller is assigned to a parameter, it always applies to X and Y. It's not possible to have different modifier settings for X and Y, the architecture doesn't allow this. source

Recall Effect and X/Y settings

Using Recall Effect (copying block settings from another preset) always imports X and Y settings. You can't use Recall Effect to copy only X or only Y settings, use the software editor for this.

Use X/Y switching to compare sounds and settings

X/Y switching offers an easy way to compare sounds when tweaking. Example:

  1. Go to an AMP block, state "X".
  2. Double-click "Y" on the front panel to copy the "X" settings into "Y".
  3. Select X or Y and adjust settings.
  4. Now alternate between X and Y to see and hear the differences.

You can also do this in the software editor.

This also offers an easy method to quickly see non-default settings, by resetting X or Y to default.

An alternative approach to comparing sounds on the Axe-Fx II: save a preset as a Snapshot in the editor. Select Revert to get the original sound back. Then drag and drop the snapshot file into the editor.