Edit screen > Slide Properties on the right > Narration > Type:Voice recording
You can record your voice directly on the website. The recording continues seamlessly, allowing you to time it just right to move on to the next slide. For a splendid content creation method using the voice recording feature, please refer to [Using the Voice Recording Feature].
Edit screen > Slide Properties on the right > Narration > Type:Voice recording > Trim
If you want to regenerate only a specific section within a noisy timeline, adjust this setting