1
Select the Audio Clip
Click on the speech audio clip you want to adjust in the timeline.
2
Open the Control Panel
Click the Speed / Volume / Pitch icon in the top-left corner of the timeline to open the control panel.
3
Preview and Adjust
Modify the speed, volume, or pitch values as needed. Use the preview to hear the changes before applying.
4
Apply the Changes
To apply the same settings to all speeches by the same voice, check Apply change to all speeches of xxx.Click anywhere outside the control panel to apply the adjustments.
You can also adjust speed by stretching or shrinking the audio clip directly on the timeline.