Akai MPC TOUCH User Manual page 160

If you set the Convert To field to New program with new
samples, this will create a new sample from each slice and
assign them to pads in a new program.
The new program will be named after the sample and
appended with ch. The new samples will be appended with
SI-# (where # is a consecutive number).
Check the Crop Samples box to delete the unused parts from
the sample when they're created and assigned. This feature is
destructive, though the project will still contain your original
sample.
Leave this box unchecked to keep the unused parts of the
samples when they're created and assigned. This way, you will
still be able to edit the entire samples further even though you
are using only part of them at the moment.
By default, this option already will create a new program. You
can uncheck the Create New Program box to convert each
slice into a sample that is placed in the project's sample pool
but not assigned to a program or pad.
If Create New Program is checked, check the Create Events
box to automatically create a new track in which each pad plays
its corresponding slice in ascending sequence by pad number.
If Create Events is checked, use the Number of Bars field to
set how many bars the slices' events will occupy.
To convert the sample, tap Do It.
To cancel the operation, tap Close.
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