Native Instruments MASCHINE MK3 Manual page 835

Parameters for the Stretch function.
Following parameters are available via Knob 1–8:
Parameter
STRETCH section
TUNE
FORMANT C
(Formant Correction)
MODE
Description
Adjusts the detuning (pitch shifting) to be applied (in semitones and
cents). Leave this value to
Enables/disables the formant correction. Formant correction allows the
pitch-shifted audio to retain the timbre (or "color") of the original
audio as much as possible. This is especially useful for melodic
instruments.
Selects from the two available time shifting modes.
BEAT: In Beat mode, the new tempo is defined relative to the time
signature (the beats and bars) of the original audio. This can be useful
if you sampled a loop with a clearly defined rhythm (e.g., a drum
loop).
FREE: In Free mode, the new tempo is defined independently from the
time signature of the source. This is more suited for non-rhythmic
Samples. In this mode only one parameter is available:
below).
0.00 to leave the original pitch untouched.
Sampling and Sample Mapping
Editing a Sample
SPEED (see
MASCHINE - Manual - 835