How to Turn Voice Over off

If you have the Apple TV box, there there is an accessibility option to have the menus and their selectable options narrated. This is what Apple calls “VoiceOver”. Turn VoiceOver on or off on your Apple TV - Apple Support

If you refer to the descriptive narration over (select) videos, then that is what Apple and other content providers call “Audio Descriptions” (AD). You can turn Audio Descriptions on or off as a special audio language, during playback. Change subtitles or languages for videos in the Apple TV app or iTunes Store - Apple Support. You can turn the default for Audio Descriptions on or off as an accessibility setting, before launching an app or starting a video. Use audio descriptions on Apple TV - Apple Support