Overdub by Descript is a powerful voice cloning tool integrated into the Descript platform, allowing users to create custom voices and edit audio content seamlessly. The platform uses advanced AI algorithms to generate realistic voiceovers from text, making it easy to produce high-quality audio content without the need for extensive voice recording. Overdub also supports text-based editing, allowing users to make changes to the audio by simply editing the text transcript. This feature is particularly useful for podcasters, video creators, and educators who need to produce content quickly and efficiently. With its combination of voice cloning and text-based editing, Overdub is a versatile tool for creating and refining audio content.