Pitch Shift Plug-Ins : Pitch Shift : Pitch Shift Controls : Using Reference Pitch

Using Reference Pitch
To use Reference Pitch:
1 Select the audio material you want to use as a pitch reference. Click the preview button to begin playback of the selected audio.
2 Click the Reference Pitch button to activate the reference sine wave tone.
3 Adjust the Note and Detune settings to match the reference tone to the pitch of the audio playback. Adjust the Gain setting to change the relative volume of the reference tone. It may also be helpful to toggle the Reference Pitch on and off to compare pitch.
4 Select the audio material to be pitch shifted.
5 Adjust the Coarse and Fine Pitch Shift controls to match the pitch of the audio playback to the reference pitch.
6 Click Render to apply pitch shift to the selection.