
150 Converting Audio to MIDI
The Slicing Dialog.
When you select Slice to New MIDI track, you’ll be presented with a dialog box. This offers a
list of slicing divisions, as well as a chooser to select the Slicing Preset. The top chooser allows
you to slice at a variety of beat resolutions or according to the clip’s transients or Warp Markers.
Since a Rack can contain a maximum of 128 chains, Live won’t let you proceed if your choice
would result in more than 128 slices. You can fix this by either setting a lower slice resolution or
by selecting a smaller region of the clip to slice. If your audio file is in REX format (page 132),
the slicing will be based on the file’s internal timing information and you won’t see this chooser.
The Slicing Preset chooser contains a few Ableton-supplied slicing templates, as well as any of
your own that you may have placed in your User Library’s default presets folder (page 224).
Once you’ve made your slicing choices and clicked OK, a number of things will happen:
1. A new MIDI track will be created, containing a MIDI clip. The clip will contain one note for
each slice, arranged in a chromatic sequence.
2. A Drum Rack will be added to the newly created track, containing one chain per slice.
Each chain will be triggered by one of the notes from the clip, and will contain a Simpler
with the corresponding audio slice loaded.
3. The Drum Rack’s Macro Controls will be pre-assigned to useful parameters for the Sim-
plers, as determined by the settings in the selected slicing preset. In the factory Slicing
presets, these include basic envelope controls and parameters to adjust the loop and
crossfade properties of each slice. Adjusting one of these Macros will adjust the mapped
parameter in each Simpler simultaneously.
Note: Live will take a few moments to process all of this information.
Playing the MIDI clip will trigger each chain in the Drum Rack in order, according to the timing
information that you specified or that was embedded in the audio. This opens up many new edit-
ing possibilities, including:
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