Sync from audio
Four cameras and a sound bag, aligned to the sample. No slate needed.
Drop in the day's cards → get a synced timeline.
macOS · Multicam post
Nothing drifts.
Sync every camera and recorder from the audio. Clean it, transcode it, burn in timecode — it stays in sync. Export with a signed record.
What it does
Clean audio, keep sync
Denoise, de-hum and voice cleanup. Each filter corrects its own delay.
Fix a noisy room without re-syncing afterwards.
Transcribe on device
Speech, speakers and timings. Nothing is uploaded.
Search a six-hour deposition for one sentence.
Burn in timecode
Timecode, date and camera name on the picture. Optional, per export.
Hand counsel a reference copy they can cite.
Proxies and exports
Cut-ready media for Premiere, Resolve and Final Cut. All audio tracks kept.
571 GB of rushes → 41 GB of proxies, fast.
Signed delivery
A manifest of every file, every step, with checksums. Sign it off to close it.
Prove the file you delivered is the file you made.
One path through the day's footage
Each stage gates the next.
- 01ImportCards and recorders into one project.
- 02SyncAngles aligned from audio, offsets you can check.
- 03TranscribeSpeech and speakers, on device.
- 04ReviewCheck sync, fix names, mark what matters.
- 05ExportCut-ready media, transcripts, signed manifest.
Who it's for
Built for two rooms. Useful anywhere several cameras and a separate recorder end up on the same drive.
Deposition & legal video
Every mic track kept. Frame rate never changed behind your back. Checksums you can re-verify years later.
Documentary & news
Sync the day's rushes on the drive home. Arrive with transcripts, speakers and searchable talking points.
- Court reporting firms — video to pair with the stenographic record. Sync the video to the stenographic record, then export both under one signed manifest.
- Investigators — recorded interviews, searchable by what was said. Search hours of interview by phrase, jump to the timecode, export just that clip.
- Insurance & claims — recorded statements with a verifiable chain. Every statement checksummed on ingest, re-verifiable years later without the original drive.
- Oral history & research — long interviews, transcribed on device, nothing uploaded. Transcription and translation run on the machine. No recording ever leaves it.
- Corporate & training video — multi-camera studio days, cut-ready the same afternoon. Sync and proxy a studio day while the room is still being struck.
- Conference & AV capture — many rooms, many cameras, one pass each. Batch a day of rooms in one run. Each session gets its own signed bundle.
- Video podcasts — three or four angles plus a sound bag, synced without a slate. Aligned from the audio alone — no slate, no timecode box, no matching clocks.
- Event & wedding film — long unbroken takes from cameras that never agreed on time. Hour-long takes from drifting clocks, aligned once and held through cleanup and grade.
One tool instead of four
Most of this is sold separately, by the month, one subscription each.
- Multicam syncusually a separate purchase
- Audio cleanup & voice isolation$10–20 / month
- Transcription & speaker labels$15–30 / month
- Video cleanup & upscale$10–20 / month
- Proxy generation & deliveryper-seat, per NLE
The cost is the smaller half. Every one of those tools wants your media exported to it and re-exported back — and each round trip is a chance for a frame rate to change, an audio track to be dropped, or a filter to shift your sync by milliseconds nobody measures. Doing it in one place is what makes the alignment survivable.
Why it's different
The edit is a chain of custody, whether or not anyone is writing it down.
Other tools forget what a filter did. Throughline records it — what it touched, what it preserved, what it invalidated. If a step can't promise your timing survived, the sync is marked stale rather than assumed good.