Text to speech can make product videos faster to produce, but speed is not the only goal. A product video needs narration that fits the screen recording, explains the change at the right moment, and sounds consistent with the rest of the brand experience.
This checklist is built for teams using Seed Audio to create voiceover for launches, onboarding videos, support clips, and feature walkthroughs.
Key takeaways
- Time the script against the video before generating final narration.
- Write short spoken lines that match visible actions on screen.
- Choose a voice that supports the product moment: calm, direct, energetic, or instructional.
- Generate in sections so edits do not force a full rerecord.
- Review the exported audio inside the actual video timeline before publishing.
1. Start with the video structure
Before writing narration, map the video into scenes. A product video usually has four simple parts:
- Problem or context.
- Feature or workflow introduction.
- Step-by-step demonstration.
- Outcome or call to action.
Each part needs a different kind of line. Context can be slightly broader. Demonstration lines should be precise and timed to the cursor, interface state, or animation. The closing line should be short enough to leave room for the final visual.
2. Write for timing, not word count
A script can look short and still feel rushed when read aloud. For product videos, measure each line by seconds.
Useful planning ranges:
- 6 to 8 seconds for a hook or transition.
- 10 to 15 seconds for a feature explanation.
- 3 to 5 seconds for a button, menu, or UI action.
- 12 to 20 seconds for a final summary.
Read the line aloud once before generating text to speech. If you run out of breath or need to speed through a phrase, the generated narration may feel cramped too.
3. Match the voice to the product moment
Voice selection is part of the video design. A polished dashboard tour may need a calm narrator. A launch teaser may need more energy. A customer support video should usually prioritize clarity over personality.
Use the Text to Speech workflow or the Seed Audio voice generator to test a short representative line before generating the full script.
Listen for:
- whether the first sentence feels natural;
- whether the voice keeps technical terms clear;
- whether the pace matches the video edit;
- whether the delivery feels too promotional, too flat, or too formal.
4. Split the script into editable clips
Product videos change. A button label may move, a feature name may be revised, or a pricing claim may need legal review. Generating the voiceover in smaller sections makes those changes manageable.
Recommended clip boundaries:
- one clip per scene;
- one clip per UI action when timing is tight;
- separate clips for claims, prices, and legal-sensitive lines;
- separate intro and outro clips that can be reused across a series.
Keep file names readable. A name like workspace-tour-scene-03-export-menu.wav is more useful than final-audio-v7.wav.
5. Review inside the timeline
Audio that sounds good by itself can still fail inside a video. After exporting, place the clip in the timeline and check it against the visual edit.
Review questions:
- Does the narration start before the viewer needs it?
- Does any line explain a screen that has already changed?
- Are there enough quiet moments for visual focus?
- Does the final sentence end cleanly before the next scene?
- Are subtitles or captions aligned with the voiceover?
If the timing is off, shorten the script first. Stretching video clips to fit narration often makes the product feel slower than it is.
6. Keep a reusable voice standard
For a product video series, consistency matters more than a single impressive take. Create a small voice standard:
- preferred voice direction;
- average sentence length;
- pronunciation notes for product names;
- intro and outro style;
- export format and file naming pattern ;
- review checklist owner.
Use Generation History to find earlier takes and compare the sound before creating the next episode.
Example script pass
Draft:
In this update, we have improved the project dashboard with new controls that allow users to locate recent voice generations and manage their saved voice models.
Timeline-ready version:
The project dashboard now keeps your recent voice generations and saved voice models in one place. Open the sidebar, choose a project, and continue from the last clip you created.
The revised version is easier to align with a screen recording because each sentence maps to a clear visual action.
FAQ
Is text to speech good enough for product videos?
Yes, when the script is written for spoken timing and reviewed inside the final video. The weakest results usually come from pasting web page copy directly into a narrator.
How long should each generated clip be?
For most product videos, short scene-level clips are easier to manage than one long narration file. Keep each clip tied to a specific visual moment or section.
Should I choose the voice before or after editing the video?
Choose a test voice early, then confirm it after the rough cut. The voice affects pacing, but the final timeline determines whether each line needs to be shorter.
What Seed Audio page should I use first?
Start with Text to Speech when you already have a script. Use the main AI voice generator when you want to compare broader voice options.
Next step
Take one existing product video script and mark scene breaks before generating audio. Produce one scene in Seed Audio, place it in the timeline, and revise the script before scaling the workflow to the full video.