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Descript: Using Underlord AI for automated editing

DDescriptTry it →Watch full video →Danie Jay ·

Demo summary

The creator demonstrates prompting the Underlord AI assistant to make a video more engaging, which automatically adds B-roll and text overlays.

Step-by-step

  1. Open the Underlord section in Descript
  2. Enter a prompt asking for creative suggestions to make the video more engaging
  3. Provide context including the video topic, target audience, platform, and goal
  4. Review the list of recommendations generated by the AI
  5. Select specific recommendations or choose 'Implement them all'
  6. Wait for Underlord to automatically add B-roll, import video, and create text overlays

Options

  • Ask for five 30-second clips from the most engaging moments
  • Request specific additions like captions and music
  • Go back and forth with the AI to refine ideas before implementing

Watch out for

  • Underlord works best when treated as a creative partner rather than just a command tool

Tips

  • Tell the AI what to do rather than what not to do (e.g., use 'make this more conversational' instead of 'make this less robotic')
  • Get specific with your prompts to improve energy, pacing, or visual appeal
  • Provide the AI with the specific platform and audience context for better results

Highlights

“Descript is a powerhouse now... How wild is this?”

All demos from “ULTIMATE Descript Tutorial for Beginners in 2026 | How to Edit Fast Using AI”

  1. 0:470:43Importing and transcribing video in DescriptThe creator demonstrates how to start a new project, upload a video file for automatic transcription, and use the built-in recording tool in Descript.DDescriptAI Video Editor
  2. 2:120:27Text-based video editing in DescriptThe user shows how to delete or move video segments by simply highlighting and deleting or cutting text within the transcript.DDescriptAI Video Editor
  3. 2:540:32Creating scenes with forward slashesThe demonstration shows how to use forward slashes in the transcript to create distinct scenes for applying specific layouts and B-roll.DDescriptScript To Video AI Generator
  4. 3:390:29Remove filler words with AIThe creator uses Descript's AI tools to automatically identify and remove filler words like 'um' and repeated words from the video.DDescriptAI Video Editor
  5. 4:080:56Removing retakes and using strikethroughThe video shows how to use the 'Remove Retakes' AI tool to find mistakes and the strikethrough feature to non-destructively hide sections of the video.DDescriptAI Video Editor
  6. 5:040:27Shorten word gaps for snappy editingThe user demonstrates setting a threshold to automatically shorten silent gaps between words to make the video pacing faster.DDescriptAI Video Editor
  7. 9:110:39AI Green Screen background removalThe creator demonstrates the green screen tool to remove a video background and replace it with media from the library.DDescriptAI Video Editor
  8. 12:080:49Saving custom scene layoutsThe user demonstrates saving a customized scene as a new layout template for future use in other projects.DDescriptAI Video Editor
  9. 14:260:28Adding scene transitionsThe creator shows how to add and preview transitions like 'color dip' between scenes in the Descript editor.DDescriptAI Video Editor
  10. 15:381:35Zooming and adding elements to screen recordingsThe demonstration shows how to crop and zoom into a screen recording and add visual elements like circles to highlight specific buttons.DDescriptAI Video Editor
  11. 17:260:42Adding B-roll from the media libraryThe user shows how to search the built-in media library for stock footage and GIFs and drag them into a scene.DDescriptAI Video Editor
  12. 19:151:43Adding sound effects to text overlaysThe user shows how to sync 'mouse click' sound effects with appearing text titles in the timeline.DDescriptAI Video Editor
  13. 21:061:49Using Underlord AI for automated editingCurrentThe creator demonstrates prompting the Underlord AI assistant to make a video more engaging, which automatically adds B-roll and text overlays.DDescriptAI Video Editor
  14. Watch “ULTIMATE Descript Tutorial for Beginners in 2026 | How to Edit Fast Using AI” →

AI Video Editor

  1. 0:430:16Text-based video editing in DescriptThe user demonstrates how deleting a sentence from the automatically generated transcript in Descript simultaneously removes the corresponding footage from the video timeline.Learn Online Video
  2. 1:130:15Remove filler words with UnderlordThe video shows the Underlord AI assistant in Descript automatically detecting and deleting filler words like 'ums' and 'likes' from a talking head video.Learn Online Video
  3. 2:310:43Adding B-roll and sound effects from Descript libraryThe creator searches and inserts stock waterfall footage and cinematic sound effects directly from Descript's built-in media archive.Learn Online Video
  4. 3:270:28Generate AI images in DescriptThe user types a text prompt for a 'chicken salad' into Descript's Generate Image tool to create a custom visual asset for the video.Learn Online Video
  5. 2:261:10Text-based video editing in DescriptThe creator demonstrates how to upload a video and edit it by highlighting and deleting text from the automatically generated transcript, which removes the corresponding video footage.Vince Opra
  6. 4:330:36Using the Blade tool on the timelineThe video shows how to use the Blade tool (shortcut B) to manually split clips on the timeline and delete specific segments.Vince Opra
  7. 7:150:46Remove filler words with Underlord AIThe demonstration shows Descript's Underlord AI identifying and batch-deleting filler words like 'um' and 'uh' from a recording.Vince Opra
  8. 10:570:32Add automated captions to videoThe demonstration shows how to apply and customize dynamic captions to a video project using Descript's built-in captioning styles.Vince Opra
  9. 0:310:40Correct eye contact with Descript AIThe creator demonstrates the 'Eye Contact' feature in Descript, which digitally adjusts his eyes to look at the camera lens even while he is reading a script off-screen.Done By Lunch
  10. 1:110:25Shorten word gaps in DescriptThe user shows how to use the 'Shorten word gaps' tool to automatically identify and remove silences longer than one second across a 14-minute video file.Done By Lunch
  11. 1:360:40Remove retakes automatically in DescriptThe 'Remove retake' feature is shown identifying repeated phrases in a transcript and automatically selecting the best take to keep while ignoring the others.Done By Lunch
  12. 2:160:34Automated multicam editing in DescriptThe creator demonstrates 'Automatic Multicam' which processes two separate video files and automatically cuts between speakers to create a finished interview layout.Done By Lunch
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