Adjusting Pitch and Tempo Precisely

Music Speed Changer gives you several ways to set the pitch and tempo exactly: drag the sliders, type an exact value, step with plus/minus buttons, or snap the sliders to whole semitones and multiples of 5%. You can also change the slider ranges.

Using the Sliders

In the editor, drag the Pitch slider right to raise the pitch or left to lower it. The number above the slider is the pitch change in semitones. The Tempo slider works the same way and shows the speed as a percentage of the original. To go back to the original, tap the reset button at the end of the row.

Arrow pointing at the Pitch slider in the editor

Typing an Exact Value

Tap the Pitch or Tempo value above its slider. Type the number of semitones (or the tempo percentage) and tap OK. Decimal values such as −0.3177 are allowed.

Enter adjustment dialog with the keyboard open

Plus/Minus Buttons

For fine control, turn on plus and minus buttons at the ends of the sliders. Tap the Editor components button (the sliders icon at the top right of the editor) and tick Plus/minus buttons. You'll also find this option in Settings under Editor controls.

Tap − or + to lower or raise the value in small steps.

Plus and minus buttons at the ends of the pitch slider

Tempo, Pitch and Formant Settings

More options are in Settings. In the editor, tap the ⋮ menu, then Settings, and tap Tempo, pitch, and formant.

Settings with an arrow pointing at Tempo, pitch, and formant

Tempo, pitch, and formant settings with an arrow pointing at Snap pitch and formant sliders

Snapping to Semitones and 5% Steps

Snap pitch and formant sliders makes the pitch slider move in whole semitones, which is ideal for changing key. The same option is available in the Editor components menu as Snap pitch sliders.
Snap speed slider makes the tempo slider move in multiples of 5%. With plus/minus buttons turned on as well, each tap of − or + changes the speed by exactly 5%.

Changing the Ranges

Pitch and formant range sets how far the pitch slider goes: 1, 2 (the default) or 4 octaves.

Pitch range dialog with 1, 2 and 4 octave options

Minimum speed sets the slowest tempo: 15%, 20%, 25% (the default), 30%, 40% or 50%.

Maximum speed sets the fastest tempo: 200%, 250% (the default), 300%, 400% or 500%.

Join Button and Autocorrect Switch

Tempo/pitch join button shows a link button in the editor for joining pitch and tempo into rate.
Pitch/formant join switch shows the Autocorrect vocals switch in the editor, used for formant correction.

Keeping Your Settings for the Next Track

To choose whether your pitch and tempo stay the same, reset, or are remembered for each track when a new track loads, see Keeping or Resetting Adjustments When a New Track Loads.