If you are in voice mode, then hit the Integrated Sampling button and F2. The source should be
set to resample. Press F6 to go to the record page, set your parameters as you want, and record
it. That's all there is to it.

In pattern or song mode you need to have the voice's insert effects turned on. First, in song
or pattern mode, hit Mixing button, then F3 to select a voice. Once your voice is selected
for the track, press