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If your mixer did not give you "One" file that contains 6 channel but instead gave you 6 separate .wav files then use this workflow

AVID - How to Make a 1920 x 1080 HD - 5.1 QuickTime Using 6 separate files Left, Right, Center, Lfe, Ls, Rs

Open your AVID Project

Make a New Bin to import your surround sound mix files

Title the bin how you wish

Link to the Surround Interleaved file that you received from the mixer

Go to >Tools>Source Browser>

The file will be a 5.1 Full Mix.wav file

Click on Link

23.98 OK to All

The file will appear in the bin

Right click on that linked file in the bin and choose Modify > Modify Clip...
Choose Set Multichannel Audio from the drop down
Choose 5.1 SMPTE: L R C Lfe Ls Rs

When you load it into the source window the file will have a 5.1

icon on it shown here

Create a new sequence and edit the 5.1 audio into the new timeline and then delete the other audio tracks that are automatically generated in the timeline

delete the other audio tracks that are automatically generated in the timeline

Edit the 5.1 audio file into this new timeline

Next need to make your video file to overwrite the 5.1 audio file

Select your timeline in the bin and double click it to load it into the timeline

Next choose Timeline>Mixdown>Video

Choose the bin in AVID you want to save the file

Choose where the .MXF will be saved (your hard drive)

Resolution Apple ProRes MXF

You will end up with a file titled Video Mixdown after the title of your timelin

Load that video mixdown clip into the source browser and edit that on to the newly created 5.1 timeline that contains the 5.1 audio.

Check the Sync of the entire movie before exporting

Remove the 2POP from the timeline at the head and tail.

Next go to >Tools Audio Mixer

Change these audio mixer settings for the timeline

Make sure the timeline is set to 5.1 Sequence

Close the Audio Mixer

Go to Audio Settings

Set the Display Channel order to SMPTE

Close the Audio Settings

Select the Sequence

Go to >File>Output>Export to File

Click on Options

Click on the Audio Format Tab

Change the QT Audio Option to 5.1

Click OK

Click on the Video Format Tab now and we'll set up the Video Format

Click on Custom Button

Make sure Video and Audio button is selected

Choose Export As QuickTime Movie

Video Format Change to 1920 x 1080

Display Aspect Ratio leave on Native Dimensions

Click On Format Options

Next Step -

Click on Video Settings

Select the Apple ProRes 422 Codec Compression

Click on Sound Settings

Change to the following


Format: Linear PCM

Channels 5.1 (L R C LFE Ls Rs)

Rate: 48.000

Quality: Best

Sample size: 24

Little Endian


Movie Settings


Compression Type: Apple ProRes 422

Quality: Medium don't worry about that it's high quality


Format: Linear PCM

Channels 5.1 (L R C LFE Ls Rs)

Rate: 48.000

Quality: Best

Sample size: 24

Little Endian

Click OK

Color Levels Setting - PLEASE READ VERY Important

- we suggest you do a test and export 1:00:00 one min of your project in each setting to make sure your black levels are correct. 

Do one export with the Keep as legal range setting selected and one export with the Scale from Legal to Full Range color levels selected.  Look at each export USING VLC NOT QUICKTIME PLAYER and make sure your black levels don't look grey or "Milky" they look black. And conversely, make sure your black video levels don't look TOOOO dark and you are loosing detail.

This setting should match how your video was brought into AVID. If it was brought in at Legal Range then you should export at Legal Range and if your video was initially brought into AVID at RGB then your video should be exported as Legal to Full  

If you don't remember how your video files were initially brought into AVID then export both versions of the timeline and look at them both in VLC.  

Then choose the correct version to turn in.

If you can't decide then ask tech staff to look at each one via the waveform monitor in AVID.

Check the settings shown here to make sure you have it set right

Click Save

Perform the export choose a place to save the file choose Save