What you get
- A 1920x1080, 30 fps MP4 of 32.5 s (24 s lite) with a verified silent first act
- A working film template with the silent shot built once and shown three times
- An audio map that places every sound and drives an on-screen level meter
- A no-key FFmpeg script for impact, click, typing, whoosh and ding
- Optional PopNow foley from the picture and an original music bed
Good for
- Launching sound effects, music, voice or audio export
- Products that add sound to something that used to be silent
- Launch pages and keynotes where viewers play with sound on
Not for
- Features a still screenshot can show
- Muted autoplay feeds without the level meter
- Narrated tutorials
How to use it
In Claude or ChatGPT
Use the PopNow skill "Silence-to-Sound Reveal Promo" (sound-reveal-promo) for this: We just shipped sound effects in our animation app: you type what you want to hear. Make the launch film.
In a coding agent
/popnow-sound-reveal-promo We just shipped sound effects in our animation app: you type what you want to hear. Make the launch film.
Then try
Quote the press sounds and a bouncy bed from the silent render.
Make the 24 second lite cut with the meter on for our social feed.
What to have ready
- The capability and the exact request that turns it on
- One object that obviously should make a noise
- Where the film will play, and whether it autoplays muted
- Node.js 22+ and FFmpeg
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Questions
Why is the first act completely silent?
The silence is the setup. Eight seconds of an object that should make a noise and does not is what makes the replay with sound land. The skill checks the final file so nothing leaks into those seconds.
Are the replays really the same shot?
Yes. One function builds the shot and each showing plays a window of it over the same elements, so the frames match pixel for pixel; the QA step compares them.
Will it work on a feed that autoplays muted?
Only with the optional level meter on. It stays flat through the silent act and shows where each sound lands, so a muted viewer still gets the idea.
What does PopNow make here?
The press, typing and closing sounds, generated from clips of the silent picture so they land on the action, and an original music bed. Each is quoted before anything is spent; without a key an FFmpeg script makes the effects.