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Syncing Audio to Video
If you’re processing dailies for a shoot that used dual-system recording, where audio is
recorded to a separate device than video, you can “sync the dailies” in DaVinci Resolve in one
of two ways. Synced clips can be output as media files with embedded audio or output to tape,
whatever your client requires.
Syncing Audio to Video Using Timecode
Ideally, if the sound recordist on set was highly organized, and the camera and audio recorder
both used synchronized timecode, you can use a single command to automatically sync every
clip in a timeline to a bin of Broadcast .wav files that have matching timecode.
To batch sync audio to video using timecode:
1 Create a new project, open to the Media page by default, and import the video media
you need to sync into any bin of the Media Pool.
2 Import the matching Broadcast .wav files into the same bin as the accompanying video
media you imported in Step 1. If you want to stay more organized, you can create
another bin to contain the audio clips, but it must be inside the bin that contains the
video files. The audio bin can be named anything you like.
Organizing production audio in a bin created within the
accompanying camera media bin
3 Right-click the bin containing the matching audio and video clips, and choose one of
the following commands from the contextual menu:
Auto-Sync Audio Based on Timecode: Replaces each video clip’s previous audio
channels with audio channels from the newly synced .wav files.
Auto-Sync Audio Based on Timecode and Append Tracks: Adds new channels
in addition to the audio channels that were previously in the media file. The newly
synced channels are added to an additional track, so when edited into the Timeline,
a clip that’s synced this way appears with one video clip and two audio clips
that occupy two different audio tracks, so you can edit the camera original audio
independently from the synced audio.
Every clip in the selected bin for which there was an accompanying Broadcast .wav file with
matching timecode is immediately synced with an audio track. All synced clips appear with an
audio icon at the bottom left in the Media Pool when Thumbnail view is selected. Now that the
clips are synced, you can edit them in the Edit page or use the Deliver page to export offline
dailies or online media with embedded sync audio for use in other applications.
Chapter – 13 Syncing Audioand Video 339