Rewrite a voiceover that sounds humanLoading player

Intermediate · 4 min read · Tutorial video 3:15

Rewrite a voiceover that sounds human

Compare two real narration rewrites at their original speed, keep delivery steady, and edit a seven-second picture exercise in PopNow.

A voice can connect what the audience sees instead of describing it twice. Rewrite two narration lines from Poppie: a PopNow short film, compare the complete original recordings, and make a 7.44-second spoken picture edit.

Public controls and the local editor export were recorded on November 7, 2026, without an account. Exercise model: Gemini 3.8 Flash TTS, voice Sulafat. The supplied recordings are from our earlier production run. This lesson teaches a single storyteller’s voiceover.

Lesson files

Download the exercise files · Download the recipe

The package contains v03.wav, v04.wav, n03.wav, n04.wav, bubble.mp4, touch.mp4, rewrite.mp4 and the English recipe. The package and this page are prepared locally. The public download links must be verified before publication.

Step 1: Listen before judging length

Play v03.wav once in full, then n03.wav. Keep both at Speed 1×, with no trimming, normalization or fades.

OriginalRevision
First linePoppie had one job. Keep the boy's ideas safe, in bubbles.Poppie kept his ideas in bubbles.
Duration7.12s3.44s
Second lineAnd when a bubble popped, the idea came true.And when one popped, the idea came true.
Duration3.96s4.00s

The original first line explains a relationship the scene already shows. Kept turns that relationship into an action. The revised second line uses one because bubbles have just been named. Fewer words did not make its performance shorter: judge whether the thought lands.

Actual Voiceover Text field with the original first line
First draft: an extra setup before the action.
Actual Voiceover Text field with the two revised lines
Keep the idea and remove the explanation the picture supplies.

Step 2: Hold delivery steady

Open Voiceover. Choose Gemini 3.8 Flash TTS, keep One voice, paste the revised text, and choose Sulafat. Open More settings → Direction. Keep performance notes separate from the spoken text.

Text:

``text Poppie kept his ideas in bubbles. And when one popped, the idea came true. ``

Direction / Scene:

``text A warm storyteller reading a modern fable to a grown-up audience. Quiet, intimate, gently wry, unhurried. Leave natural pauses between sentences. Never salesy, never theatrical. ``

Use Empathetic, British RP, and Natural pace. Keep the same voice and delivery while testing words. Save the actual quote and date before paying for a new version. The supplied recordings let you practise this edit immediately.

Real Gemini 3.8 Flash TTS voiceover settings with Sulafat and separate delivery controls
Public setup recorded without submitting a generation.

Step 3: Trim and mute the picture

Open Video editor. Under Media, choose Choose files from this device and add bubble.mp4 and touch.mp4 in that order. Local files work without an account.

In This clip, set bubble.mp4 → Trim: 0:00.00–0:03.44, Speed: 1×, Volume: 0%. Set touch.mp4 → Trim: 0:00.00–0:04.00, with the same speed and volume.

Actual bubble clip controls showing Trim ending at 3.44 seconds and muted volume
Keep the first 3.44 seconds of the bubble shot.
Actual touch clip controls showing Trim ending at four seconds and muted volume
Let the finger approach, touch and rocket reveal finish.

Drag the Trim handles while reading the time. For fine placement, focus the preview or timeline outside a field, use Left / Right to step the playhead, then press Start here / End here. Handle arrows nudge by 0.1s. Choose the nearest frame when a target falls between preview steps; save the actual timeline screenshot.

Step 4: Place the two revised recordings

In Audio → Choose audio from this device, add n03.wav and n04.wav. Keep Part to use at their complete source lengths, Speed 1×, and both fades at 0.0s. Imported audio defaults to 60%: explicitly set Volume to 100% for both lesson recordings.

Select n03.wav, put the playhead at zero, and press Start at playhead. Select n04.wav, put the playhead at 0:03.44, and press Start at playhead again.

Actual audio controls with full Part to use, zero fades and Start at playhead
Preserve the complete recordings and their original delivery.
Real timeline with n03 ending and n04 beginning at the picture join near 3.44 seconds
Two independent audio parts, placed consecutively.

Listen across the join. The voice should carry the thought while the picture carries the change.

Step 5: Export and check the thought

Choose Whole video → 16:9 → 720p → Standard, then Export video → Start export. Reopen the download. Watch once with picture, then listen with your eyes closed.

Actual editor Export settings dialog with 720p and 16:9 selected
This local browser export was completed and reopened.

The editor target is 7.44s. The recorded browser export contains 224 picture frames; its container reports about 7.51s because audio and final-frame timestamps differ. The supplied frame-aligned exercise file keeps all 224 frames at 30fps, about 7.47s, with the original 7.44s of revised speech. Judge the audible join as well as the displayed clock.

Checklist

  • One thought per breath.
  • Keep delivery notes in Direction.
  • Hold voice and pace constant while testing wording.
  • Play the complete, unprocessed A/B once.
  • Check whether the picture supplies the noun you removed.
  • Keep picture volume zero and both voice tracks at 100%.
  • If a sentence works only when rushed, try another sentence first.
  • Use a human performer when exact interruptions or a specific dialect decide the scene.

Your recipe

Keep the before and after text, four original WAVs, the two picture files, your settings, the actual export and a timeline screenshot together. On your own introduction, remove one explanation, keep the same delivery, and compare complete recordings before deciding.

FAQ

Do I need to pay for a new voiceover to follow this lesson?

Use the supplied v03.wav, v04.wav, n03.wav and n04.wav recordings for the comparison, then edit with n03.wav and n04.wav. The picture files are also supplied, and local files work in the editor without an account. Save the actual quote and date if you choose to generate a new version.

Should the shorter rewrite always finish sooner?

The revised second line lasts 4.00 seconds, compared with 3.96 seconds for the original. Listen to each complete recording at 1× and judge whether the thought lands. Keep voice and delivery steady while testing the words.

Is my export wrong if its duration differs slightly from 7.44 seconds?

The timeline target is 7.44 seconds. The recorded browser export has 224 picture frames and a container duration of about 7.51 seconds because audio and final-frame timestamps differ. Choose the nearest preview frame, save the actual timeline screenshot and listen across the voice join as well as checking the clock.

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