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Participating Frequently
August 12, 2024
Answered

MTS video not synced to video when import to Premiere 22

  • August 12, 2024
  • 6 replies
  • 5262 views

Why has Adobe Premiere 22 suddenly stopped importing mts files with the audio synced to the video??

Correct answer dinsyp

Thanks. Unfortunately no joy with that solution. We are changing the file format in all cameras as MTS appears to be lower quality than the MP4 or MOV options anyway.

6 replies

MyerPj
Community Expert
Community Expert
September 12, 2024

You can click the date of a (post or the time), to get a link directly to it. I have my forum posts set to linear view (rather than threaded) so for me, new posts are alway at the bottom, here's a link to Averdahl's Post.

 

https://www.shutterencoder.com/en/

Averdahl
Community Expert
Community Expert
August 13, 2024
quote

Why has Adobe Premiere 22 suddenly stopped importing mts files with the audio synced to the video??


By @darryl_forrester

 

Since it has worked before and you have a video camera that records at a constant frame rate i would avoid transcoding the original footage for now.

 

One thing that can happen that gives the issue you have is that one import the footage and start to use it directly while Premiere Pro still conforms the audio. If you import the footage and starts to use the files before Premiere Pro has finished conforming the audio do too often goes out of sync.

 

To solve it:

Delete the Media Cache and the Media Cache Database: How to clear the Media Cache in Premiere Pro (adobe.com)

 

When you open the project again, dont do anything until Premiere Pro has finished conforming the footage. Look at the blue progress bar down right in the UI. The same if you import new footage, dont do anything until Premiere Pro has finished conforming the footage. In theory it should not matter but in real life it does matter.

 

Try and report back! 🙂

Participating Frequently
August 13, 2024

Thank you, i will try that

Warren Heaton
Community Expert
Community Expert
August 13, 2024

Try using Shutter Encoder (donationware) to convert one of your MTS files to ProRes 422 LT.  Under the "Choose a function" pop-up menu, it's listed under "Editing codecs".  Assuming this works in Premiere Pro as expected, take note of the file size as that will help you determine how much storage you will need to convert all of you MTS files.  It does not have to be ProRes 422 LT.  Premiere Pro supports most editing codecs

Participating Frequently
August 13, 2024

Downloaded Shutter encoder but cant find the ProRes 422. have tried H264 .mov and PCM audio. Gonna take a while so fingers crossed on that. Thank you. Its very frustrating

Participating Frequently
August 13, 2024

.mov and PCM audio seems to have worked, took an age easch 15min video but worth it if works, thanks for advice and ill keep updated

MyerPj
Community Expert
Community Expert
August 13, 2024

Why not just post the file info, so we can see it? I gave you the link above. So, it's not working now, what's keeping you on v2022?

Participating Frequently
August 13, 2024

Im at work so will have to do this evening unfortunately, thanks for your help and guidance its very frustrating

Participating Frequently
August 13, 2024

 

R Neil Haugen
Legend
August 13, 2024

You didn't give the data as to whether that file is variable framerate or constant framerate. VFR means the actual number of frames constantly varies. A "30fps" file will typically vary from 27.99 to 31.7 actual frames per second, while the audio is recorded at constant speed.

 

Simple players are designed to work with that, by changing displayed frames at varying rates. A pro NLE like Premiere always deals in real frames per second, at a constant rate matching the sequence settings.

 

So VFR is problematic at best.

 

Which is why whether your media is VFR or CFR matters.

Everyone's mileage always varies ...
Participating Frequently
August 13, 2024

Ill try work out how i find that info, thank you, i just dnt undertsand how a month ago it was all fine by now doesnt work?

the don J
Participant
August 28, 2024

Yeah, same.  I was editing YESTERDAY and today the audio is all shifty!  I didn't have to worry about it and now I gotta check all the files for VFR or CFR?
Come on!

MyerPj
Community Expert
Community Expert
August 12, 2024

We're on 24.5 at the moment, so you mileage may vary. But I'm guessing Variable Frame Rate media, the audio can lose sync.

 

You can use the free MediaInfo program to get info on your clips. Get the program from the link below and using the 'Tree View' (on PC) post a screenshot of your clip info: https://mediaarea.net/en/MediaInfo/Download

Participating Frequently
August 13, 2024

Thanks for the reply. The clip is fine when played on a media player, the issue is when imported to Premiere. The audio is way off sync to the actual video. Makes no sense as used the same camera for 8 years with premiere and no issues at all.