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QuickHitRecord
Participating Frequently
May 3, 2021
Question

Timecode synced audio clips become unlinked at random and are impossible to export

  • May 3, 2021
  • 6 replies
  • 3542 views

Hi!
 
I just did a shoot with a camera, a shotgun mic, and three lavalier mics. I used a Tentacle Sync to generate timecode between the camera and the mixer, and then used the Tentacle Sync Studio app to line everything up. So far, so good.
 
Then I trimmed everything down, and exported a ProRes422 file with four audio tracks. Unfortunately, the tracks with the lavs are silent for several several stretches. When I went back into my Premiere project, I noticed that some of these lavalier audio tracks were showing the diagonal lines (see attached screen grab). I cannot hear these diagonal "unlinked" tracks when I solo them in the timeline, but I can hear them when I double click on them and bring the waveforms up in the Source panel. I haven't changed any file names or moved anything, and I'm not seeing any indication of broken or missing links in the Project panel. Just to rule it out, I tried relinking them, but that didn't make a difference either. And of course, I tried rebooting, but that didn't work either. I even started a new sequence and went through all of the same steps. The same thing happened.
 
What really baffles me is that it's not ALL of my lavalier recordings. Just some of them. Can anyone offer any advice? I would really appreciate it.
 
This is in the latest version of Premiere (15.1.0) on a MacOS Mojave.
 
Thanks.

This topic has been closed for replies.

6 replies

Markus Scheibenbauer
Markus Scheibenbauer
Participating Frequently
September 20, 2023

I have tried to find a work-around to this in another tread: https://community.adobe.com/t5/premiere-pro-discussions/project-audio-has-diagonal-lines-when-re-opening-the-project-file/m-p/14100374#M476208

Q
QuickHitRecordAuthor
Participating Frequently
May 4, 2021

A little more insight in case it helps anyohne in the future. I tried coverting all of the WAV files to AIFF and relinked, but the issue persisted.

 

What I'm seeing now is that the non-diagonal areas are out of sync. And the diagonal areas aren't having trouble linking to the files, they are linking to a timecode that is before the beginning of the recording. Somehow the timecode has slipped in several places. I have no idea how. If I had the patience to do it, I could use the slip tool to move correct each of the hundreds of clips.

 

My scorched earth solution: export a multi-track MOV of the original synced up sequence, video blackouts and all. Then I'll cut that down. Yikes. I hope Adobe addresses this.

    S
    Starletti Harry
    New Participant
    October 14, 2021

    I have the exact same problem. Did you find another solution apart from rendereing the synced xml import?

    FredDewitt
    FredDewitt
    New Participant
    February 22, 2022

    We have exactly the same problem here. The only solution we founded is to import XML from tentacle sync in Resolve then export a new XML to premiere. 

    Q
    QuickHitRecordAuthor
    Participating Frequently
    May 4, 2021

    I downloaded Premiere 14.9 and opened the project up in that version, hoping that it would somehow be resolved. That did not work either!

    Jeff Bellune
    Jeff Bellune
    Brainiac
    May 4, 2021

    To start troubleshooting, I would load a diagonally-challenged audio clip into the Source Monitor from the sequence. Look for wonky in/out points.

    Then, regardless of whether anything seemed off with the sequence clip instance of the audio, load the source clip from the Project panel into the SM. 

    Note any differences.

    Q
    QuickHitRecordAuthor
    Participating Frequently
    May 4, 2021

    Thanks, Jeff. I tried both of your suggestions and I don't see anything amiss. Everything plays back properly. The only difference is that I deleted two unneeded tracks from the mixer audio so that I'd just be working with the three lavs, and no submixes.

     

    Every Premiere panel recognizes this audio except for the Timeline.

    Jeff Bellune
    Jeff Bellune
    Brainiac
    May 4, 2021

    When you replaced the timeline instance with the clip from the bin, it was out of sync, correct?

    If so, can you do a slip edit and get it back in sync?

    EDIT: Does the exported ProRes file from Tentacle play as expected outside of Pr? 

    Q
    QuickHitRecordAuthor
    Participating Frequently
    May 3, 2021

    A few of the clips are partially in diagonals (see attached). The non-diagonal portion plays back fine on the timeline. Thought it might be pertinent.

    Q
    QuickHitRecordAuthor
    Participating Frequently
    May 3, 2021

    For the record, I have also tried following the steps in this video: https://youtu.be/NRTHnuIa9wk

    And while I lose the diagonal lines and it's reference the correct audio clip, the audio is no longer synced.

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