Best Practices for Syncing Footage in Adobe Premiere Pro for Narrative and Commercial Projects

Howdy! I’m Chris, an assistant editor who’s worked on theatrical and streaming projects for Sony, Netflix, NBC/Universal, Legendary Pictures, Blumhouse, and Parkwood Entertainment.

Over the years, I’ve hopped onto a lot of Premiere shows that have been set up incorrectly by previous assistant editors. This leads to frustrated editors who have to deal with excessive audio tracks, and difficult turnovers complicated by inaccurate timecode.

This guide will help simplify the process for syncing footage on narrative and commercial projects, so your footage comes in cleanly and quickly. I’m gearing this post towards professional assistant editors and editors working in Premiere Pro Productions, especially those migrating from Avid Media Composer.

Regardless of your number of cameras, we’re going to sync by creating what Premiere calls “multi-camera clips.” These are roughly the equivalent of Avid’s Groups. To differentiate multi-camera clips from standard audio and video clips, I’m going to refer to the latter as “A/V clips.”

What about merged clips? Merged clips are taboo in professional workflows. They are destructive, meaning they strip the audio metadata and make it difficult to link back to original media for turnovers. Additionally, they lack the refinement and corrective control of multi-camera source clips.

Import your Footage

Create a dated folder in your Production and import all A/V clips for the day. (If you’re using Premiere’s built-in Proxies workflow, import the raw A/V clips. Otherwise, bring in transcodes created from the field.) Break out your clips from their subfolders, so audio and video are all sitting at the root level of the dailies project. 

All A/V clips are imported into the root level of the dated dailies project.

Sync Footage as Multi-Camera Source Sequences

Before we sync our footage, bring up the History window. Premiere logs the creation of each clip as a new undo state, meaning if something goes wrong it’s very cumbersome to command-z through a whole batch of syncing. The History window is the fastest way to undo a batch sync.

Highlight all clips, right-click, and select “Create Multi-Camera Source Sequence.” Assuming the crew was running timecode and the audio department properly labeled their takes, use the following settings:

In most cases, you’ll want to set “Audio Channels Preset” to “Mono” for maximum compatibility within your edit sequences. This cannot be easily changed after syncing.

You’ll see a scary pop-up which reads Could not synchronize one or more clips in the current selection because a match could not be found. This is expected. Any false takes, room tone, or MOS shots will trigger this message. Premiere will keep them out of the “Processed Clips” bin, and you’ll need to address them individually later.

Wait! My crew didn’t sync timecode! Premiere can batch sync by scratch audio waveforms, although the process is slower and more prone to error. Select all audio and video clips and select “Create Multi-Camera Source Sequence” as above, except check the Audio radio button. You may have to wait awhile as Premiere analyzes your audio waveforms.

If you don’t have scratch audio, things get really tedious. Go through each A/V clip and set the in-point on the slate’s clap frame. When necessary, rename clips to reflect their scene/take number. Next, command-select a matching A/V clip pair and select “Create Multi-Camera Source Sequence” as above, except using the in-point as the synchronize point. You’ll have to repeat this step for every take.

Correct Errors in your Multi-cam Clips

After syncing, you’ll need to sweep through your clips to correct any mistakes and prep clips for the editor. Open up each multi-cam clip in the timeline and inspect them one-by-one.

After correcting an error in a multi-cam clip, it should update across all usages in the production – but Premiere often bugs out and fails to update multi-cams in edit sequences. Therefore, it’s best to correct all multi-cam mistakes before handing off to your editor.

The most common mistakes are:

Timecode Drift

Timecode will often drift by a frame or two between audio and camera, so it’s a good habit to verify sync at the slate a for few clips per day of shooting.

If the sync is off, manually drag the audio to match the video (not the other way around). Alternatively, if the camera was recording scratch audio, you can right-click the clips and use Premiere’s Synchronize function to match audio waveforms. Afterward, you’ll need to correct the multi-cam clip’s timecode (see below).

Multiple Takes and False Clips

When you inspect or play back your multi-cam clips, sometimes you’ll find extra A/V clips have incorrectly synced with your clip. This often happens with false takes, or if another day’s footage gets lumped in with your media.

In some situations, deleting an extra clip solves the problem. For more complicated situations, reveal each A/V clip in the project and move them into a PROBLEMATIC folder. Delete the original multi-cam clip, and manually address these remaining A/V clips.

Correcting Naming Conventions

You’ll probably have to correct the multi-cam clip names to remove any extra characters and file extensions that came with your audio files. As of 2023, Premiere does not have Avid’s batch renaming functionality, so you’ll have to rename each clip one by one. Extensions and macros can speed up this process

Deleting Black Gaps in Front of and Behind Video

While not strictly necessary, I am in the habit of deleting the black gaps when audio rolls before camera and cuts after camera. It makes the multi-cams’ thumbnails more useful and keeps stringouts clean.

However, moving the A/V clips will misalign the multi-cam’s timecode with the A/V clips’ timecode. To correct this, click on the sequence’s hamburger menu, and select “Start time…” Change to “Set by first clip.”

Modify your Audio Channels to Match your Mixdown tracks

Right now, if you bring a multi-cam clip into an edit sequence, it will probably come in with five or more audio tracks. Most of these audio tracks represent the signal from individual microphones. We call these “isolated tracks,” or ISOs. Your production reports will detail which ISO corresponds to which microphone.

ISOs are very cumbersome to work with, because your editor will need to manage each extra audio track every time they make a cut. Instead, you should use the mixdown tracks, which are tracks supplied by the audio department that contain all audio signals mixed together.

Right-click on all your multi-cam clips in the project window and select Modify > Audio Channels. Change “Number of Audio Clips” to match your quantity of mixdown tracks. They’re usually on tracks one and two, but you can confirm in your production reports. If they were recorded to a different track, select the corresponding check box.

This step is often forgotten, and makes your timelines much more manageable.

The multi-cam clips will now write into edit sequences with only two audio clips. If the editor ever needs to access ISOs to clean up dirty audio, they can double-click on the multi-cam clip in a timeline to access them. 

Hold on. If I get rid of ISO tracks, will the sound department be able to access them? Talk this over with your sound department early on. If the sound team is using Pro Tools Ultimate, they will be able to easily unpack all tracks with their Field Recorder workflow. Third-party applications like EdiLoad can do the trick, too.

Worst case, either the sound assistant or picture assistant (you) will have to manually match-overwrite all tracks after picture lock. Don’t worry – it’s not as bad as it sounds, and I’ve written a step-by-step guide.

Break Out Multi-cam Clips into Scene Projects

This is highly dependent on your editor’s preferences. Generally, you should make a new project for each scene with all multi-cam clips and a stringout. Editors will often want you to chop the slates off the beginnings of clips, and add colored markers for Action, Cut and Reset.

I add room tone, wild line clips, MOS shots, and VFX plates into their corresponding scene bins and stringouts, following all multi-cam clips.

Why is all my audio panned left or right? You probably created your edit sequence based off your multi-cam clips, or pressed the “Change Sequence Settings” button when dragging in your first clip. Instead, manually set up a new sequence based on your project specs, and save these settings as a preset for future use.

Confidence Check

By the end of this process:

  • The only item left in your dated dailies project should be the “Processed Clips” folder with raw A/V clips inside.
  • Every take should have its own multi-camera clip, with one or more video clips inside.
  • You should have a scene bin for each scene shot, with all corresponding clips inside.
  • Your stringouts’ audio tracks should be lean and mean – only the mixdowns, no isos.

If you have any questions about this process, or learned anything new, please leave a comment! I’ll be updating this blog with more information about efficient and automated post-production workflows, so get on my email list below to stay in-the-know.

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  1. Mr. Campbell Avatar

    Wow, don’t get to see this workflow written up or shown in a video. I’m been looking for this. Good job!

  2. Yossi S. Avatar
    Yossi S.

    This is Godsend! Editing a feature and dealing with multi channel audio with no idea how to approach it. This helps a few tons!

  3. Josh Avatar

    Great write up – As a visual person I Would love to see some screenshots of your sequences/bin layouts more in depth to really get my head around things. Thanks for the tips!

  4. miles Avatar

    life-saving tips, thanks so much! Is there anyway to bundle the ISOs into a standard track during this process? My current short film has only ISOs, no mixdown…. thanks again!

    1. Christopher Tennant Avatar
      Christopher Tennant

      Thanks for the kind words!

      Hm, I’m not aware of an easy way to create your own mixdowns if they weren’t supplied from the field. In my experience, for a short film, it’s usually easiest to just cut with all the ISO tracks.

      If that becomes too cumbersome, you may be able to nest your ISO tracks within the multicam clips. However, that process would be pretty time-consuming and inflexible, and would probably create more headaches than it’s worth (especially in audio turnover; it may require third-party plugins to un-nest all audio.) I wouldn’t recommend it for most projects, and I’d definitely conduct rigorous workflow tests before committing to it.

      If you have any more questions feel free to use the Contact form above!

  5. John Knapich Avatar
    John Knapich

    Being new to Productions I am still working out the best way to use individual projects for an independent feature. Can you screenshot an example of how you organize a feature production?

    1. Christopher Tennant Avatar
      Christopher Tennant

      Hey John, sorry it’s taken me awhile to get back to you! I’ve half-written a “Best Practices for Premiere Productions” article, but then got pulled onto an independent feature and haven’t been able to finish it yet. In short, it’s best to keep your individual projects as small as possible. If you’ve ever used Avid you should essentially replicate your Avid bin structure, but using Premiere projects instead of bins.

      For example, on this current feature, we have a project for each scene with multicam clips and assembly edit sequences. Once scenes are assembled they get grouped together in reel edit projects. SFX is its own project and music gets divided up into multiple projects based on source (composer, music supervisor, and Internet downloads).

      I’ll have a longer article up soon that goes into these concepts in more detail.

      1. John Knapich Avatar
        John Knapich

        Thanks Christopher, sounds like what I am doing. A project for each scene (multicam string out, selects, etc), and then a project for each reel where I have individual scene edits and a 10-11min reel. Thanks for the response

  6. Joseph Avatar

    In PP 23.6.0 I can’t get ‘they can double-click on the multi-cam clip in a timeline to access them.’ to work. Made a MC clip with 5mono channels. Modified down to one, edited into a sequence. Double clicking the clip opens the active camera in the source window but it only has 1 mono channel. If I unlink the audio and video and double clip the audio I get a sequence will all the tracks to open in a new sequence tab.

    1. Christopher Tennant Avatar
      Christopher Tennant

      If double-clicking doesn’t work, try command-clicking. It opens the sequence in a new tab with all the tracks, with your playhead lined up to the same frame. From there you can cut/copy/paste the audio to your edit sequence, or match-frame on the audio to pull it up in source monitor.

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