HeyGen: Access hidden Scene Builder and upload long audio

Esmile Ai·Jun 2026

Demo summary

The creator shows how to bypass standard credit prompts by selecting 'Build scene by scene' from a hidden menu and uploading a 10-minute audio file to HeyGen.

Step-by-step

Hover your cursor over your newly created avatar
Click the middle play button icon that appears on the image container
Select Build scene by scene from the advanced drop-down menu
Navigate to the left-hand panel and click Upload audio
Select your voiceover file from your local storage
Wait for the audio to process and transcribe on the left side of the screen

Watch out for

Standard automated tiers restrict you to a 1-minute generation window unless using the scene builder

Tips

Use the 'Build scene by scene' workspace to bypass standard editor constraints
Upload long-form audio files (up to 10 minutes) to expand beyond baseline generation limits

Highlights

“this advanced technique has absolutely no boundaries”

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