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zdw051587747
Participant
October 15, 2017
Question

OMF / AAF convert dual mono to stereo

  • October 15, 2017
  • 1 reply
  • 4594 views

Hi,

When importing OMFs or AAFs into Audition, they are brought in as dual mono. I would like to work with these files in stereo, whilst keeping any existing keyframed data from the OMF. This is possible in Pro Tools, as the dual mono clips can be dragged into a stereo track with the keyframes still present in the new stereo track. In Pro Tools you can then make adjustments to the stereo track without having to adjust both the Left then the Right separately.

This is important as I would like to receive OMFs from the video editor and build upon the keyframes they have already made (and not start from scratch).

As I understand it, I have 3 options but none of these are satisfactory.

1. Pan the two mono files left and right on the track sidebar, and group the clips - yet this means if i wanted to adjust the keyframes, I would have to alter them on the left and then the right which is tedious and time consuming.

2. Pan the two mono files left and right on the track sidebar, and then send them to a bus, making keyframe adjustments to the bus track - yet this means that if any of the keyframes present in the OMF were wrong, I'd have to adjust the Left and Right separately. In addition the keyframes on the bus would not stick to the clips so that if I moved a clip, the keyframes on the bus would become out of sync with my original intentions.

3. Pan the two mono files left and right on the track sidebar, and then bounce the clips to a new track - yet then the original keyframes are burnt into the audio which could become very difficult to change if I found that they were wrong.

Please could someone tell me if there is an alternative way to do this, as I have been searching for an answer for a long time.

Thanks!

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    1 reply

    SteveG_AudioMasters_
    Community Expert
    SteveG_AudioMasters_Community Expert
    Community Expert
    October 15, 2017

    You can do this in Waveform view, and I'll be the first to admit that it isn't perfect... In Favourites, there's one called 'convert to stereo'. If you do this to one of the files, you'll have it then as a stereo file with the same material both sides. Let's assume that this is the left channel; what you do then is to highlight the whole clip and mute the left channel (controls on RHS of waveform screen), and then hit 'delete'. This will leave you with a stereo file with one silent channel. Open the second file, go Ctrl-C, open the first file again and mute the LHS, and with the cursor at the LHS hit Ctrl-V. This will paste the other file to the RHS without touching the LHS. And it's sample-accurate.

    This is actually easier to do than it is to describe! Usually at this point somebody comes along and suggests a simpler way...

    Z
    zdw051587747Author
    Participant
    October 15, 2017

    Thanks Steve for your reply - this does work as I've just tried it out by following your instructions. However, i can imagine this would be a very long process for a 1 minute video, let alone a full length documentary!

    SteveG_AudioMasters_
    Community Expert
    SteveG_AudioMasters_Community Expert
    Community Expert
    October 15, 2017

    There is one other thing - one of our forum members wrote an app called Cleaver which will probably make things somewhat easier - have a look at this thread:

    Convert dual mono tracks to stereo in Audition CC

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