Matching audio to video at scale

Upload your video variants and get back finished ads with dynamically matched music, sound effects, and voiceover. Do hundreds in minutes. Licensed for commercial use.

10M+tracks generated90+countries worldwide100%commercial licence coverage
Partners
CanvaAdobe
Ad Cut #01 · --:--
Play the clip made with Muzaic in one click.
0:00--:--
3 soundtrack variants

Workflow

How it works?

From a folder of cuts to finished soundtracks. Music, background sounds, SFX and voice-over in one pass.

See demo
New project
Summer launch — 30s cuts
Style tags · up to 4
AcousticElectronicCinematicCorporateEpicDarkBrightMinimal
Intensity7
Add your campaign cuts
Drop cuts here · MP4, MOV
hero_v2.mp4hero_v2.mp40:30Queued
product_15s.movproduct_15s.mov0:15Draft
teaser_06s.mp4teaser_06s.mp40:06Draft
Soundtrack settingsLayers
MusicSFXAmbienceVoiceover
Versions per clip3
Detect voiceoverAnalyze pacingMatch energy curveOptimize under speech
Ready in ≈ 26–38s
Voiceover · hero_v2.mp4
hero_v2.mp4
Summer, reimagined. Only this week.

Type the script here, or leave it to the brief.

3 concepts · hero_v2.mp4In review
Concept 01
Concept 02
Concept 03

Under the hood

The work you don't see

One click. Eight decisions a sound team would take three days to make.

Your cut
Generate
Original audiokept from the source
SFXhits the action
Ambienceducked under speech
Voiceoverdrafted from the brief
Musicleads this version
Matched
Travel video with matched soundtrackSound on
Soundtrack4 layers
Final track
Reads the film

Reads scenes, objects, emotions, pacing, colour, sentiment.

Builds a plan for the film before it writes a note.

Takes a position

Commits each concept to something, like a string quartet under a battle scene.

Makes sure your brief wins at least one of the versions.

Builds every layer

Composes music, SFX, ambience, voiceover and your original audio to fit each other.

Drafts the voiceover, it does not just read it aloud.

Finishes it

Mixes and masters every layer together.

Delivers to broadcast spec, not browser preview.

Eight decisions. Every clip. Every version.

The difference

Manual vs. automatedaudio

The manual wayWith Muzaic
~6 hours to a mixA finished mix in 30 seconds
4 layers balanced by hand4 layers auto-matched, still editable
Back-and-forth email approvalsSign-off from one shareable link
A handful of videos a week1,500+ videos a week
Copyright-claim riskFull commercial license
Wojtek HazanowiczWojtek HazanowiczMusician and CEO @ Muzaic

Ready to automate your ad audio?

Book a 30-minute demo. Send one of your video cuts and we will build a complete audio mix live on the call.

Includes 100% commercial licensing and $10,000 legal protection.