Change Pitch - Audacity Manual

# Change Pitch

### From Audacity Manual

Use the Change Pitch effect to change the pitch of a track without changing its tempo (speed).

  Accessed by: Effect > Change Pitch...

Note: all the input boxes, drop-down menus and the slider are linked: changes to one will affect the others.

## Pitch

If you know the key the original recording is in and the key you want to change it to, use this section of the dialog. In the example above, the key is being changed from F up to G.

## Semitones (half-steps)

If you don't know the key the original recording is in but you know how many semitones it needs to be changed, enter that value here. For example you could duplicate a vocal track and then apply Change Pitch with a value of +7 semitones (a major fifth) to create a harmony vocal.

## Frequency (Hz)

If you know that a particular frequency needs to be changed to another frequency, enter those values in the from and to input boxes.

## Percent Change

If you would like to change the pitch by a given percent, enter a value in this input box or use the slider.

## Limitations

Change Pitch is a time stretching effect, because it defies the normal expectation that reducing the speed of the audio (thus increasing its length) will reduce the pitch and vice-versa. Some artifacts will be expected at more extreme settings, and Change Pitch does not manage to keep the length exactly as before. This makes Change Pitch unsuitable for changing the pitch of individual very short notes.

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