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Forums Adobe Premiere Pro How do I separate my stereo track to two monos AFTER editing is finished?

  • How do I separate my stereo track to two monos AFTER editing is finished?

  • Peter Corbett

    March 11, 2006 at 7:03 am

    I just finished a 90-minute concert video only to realise I’d forgotten to remap the stereo source clips to mono. Now I have a stereo master track with dodgey audio on Channel One and okay audio on Channel Two. How can I use submixes to break these L & R audio tracks out so I can independently adjust levels and apply filters? Any advice gratefully appreciated. I don’t want to start again!

    Peter Corbett
    Powerhouse Productions
    Australia
    http://www.php.com.au

  • Peter Corbett

    March 11, 2006 at 7:05 am

    Unless……. I duplicate Track 1 (stereo) to Track 2 (stereo) then use submixes to pan…

    Peter Corbett
    Powerhouse Productions
    Australia
    http://www.php.com.au

  • Mike Smith

    March 11, 2006 at 8:08 am

    I guess if (channel one is dodgy, and) channel 2 is OK, you might have decided just to create a mono submix and feed it using a track-level audio filter (or maybe even just use the channel pan control?) to take only (mostly) channel 2 ..?

  • Harm Millaard

    March 11, 2006 at 1:57 pm

    Peter,

    Haven’t tried it, so I may be off base, but would the following approach be workable:

    Unlink audio and video, copy the audio track twice to 2 new audio tracks, use Fill Left on one and Fill Right on the other track and then delete the original track or disable it. Your master track will still be stereo, but comprises both the left and right channel, due to the filters. Now you can apply filters to each track to improve the sound.

    Harm Millaard

  • Alex Udell

    March 11, 2006 at 2:35 pm

    Apparently this is changed in V2 with the naudio mapping feature, but in 1.5 the fill left and fill right is the way to go…

    Alex

  • Dave Friend

    March 11, 2006 at 5:04 pm

    If you have Audition this might be a good time to put it to use. There are a couple of approaches you could employ. One method, if there are not a huge number of clips, is to select each clip on the timeline and edit them in Audition. This will replace the existing audio with a new wav file that will be added to the project and linked to the video clip.

    The second method would be to export the timeline’s audio as a stereo file and mix it down using the channel mixer tools of Audition. Import the mixdown into PPro and lay it on it’s own track. Mute the original audio tracks leaving them in place should you have to make changes in the future.

    Dave

  • Craig Howard

    March 12, 2006 at 2:40 am

    I concur with Alex.

    Alternative if you were going to Protools for final mix etc is export an OMF . This automatically separates the tracks. – Of course you would need the Auto Duck OMF exporter plug in which by the way is brilliant (if not a little pricy.) Mine has paid for it self a few times over now.

  • Peter Corbett

    March 12, 2006 at 12:21 pm

    Thanks everyone. In the end I exported the main setero track as a single stereo export, re-imported then re-mapped as 2x mono. Not ideal but a workaround. You lose your clip separation on the audio but hopefully the client won’t chnage her mind. Ha!

    Peter Corbett
    Powerhouse Productions
    Australia
    http://www.php.com.au

  • Aanarav Sareen

    March 12, 2006 at 9:58 pm

    Peter,
    There is another way of doing it (for the future):

    1. Take your audio track and duplicate it.
    2. Place one copy on Audio 1 and the other copy on Audio
    3. Apply the Fill Left filter on Audio 1 [Effects > Audio Effects > Stereo]
    4. Apply the Fill Right filter on Audio 2. [Effects > Audio Effects > Stereo]
    5. Now, what you have effectively “separated” the left channel and the right channel.
    6. Adjust accordingly 🙂

  • Alex Udell

    March 13, 2006 at 3:36 pm

    Sorry….

    wasn’t paying attention to the “after finished” part….

    Alex

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