LFE channel isolation in a 5.1 mix

[Richard Knight]

Premiere has a problem in sending one track to just the LFE. This is the work around I use. Put the mono LFE track on two tracks above each other in the timeline. Send one to centre channel and the LFE channel. Send the other to just the centre channel BUT with the invert effect added in the mixer. This will cancel the centre feed with the origional track leaving just the LFE. This will only work if the levels are identical between the two tracks.

Richard Knight

[Ralph Gould]

Thanks Richard. It would seem that Adobe doen’t understand that the LFE should only go to other channels in stereo downmix. Maybe they will read this and fix it.
Ralph

[Zameer Tamboli]

Same here

i cannot send my LFE mix to only LFE channel..

it is feeding LR also…
?????? why ????

reason only know Adobe engineer..

May god Give good Sound mixer window designer to Adobe..:)

[Carrick Moore gerety]

Hey Ralph– I had the same issue and was looking for a solution all day until I found this tutorial:

https://www.youtube.com/watch?v=v-2jD1WDcys

The short version of what this tutorial contains is:
–create a sequence with a multichannel master INSTEAD OF A 5.1 master.
–create 6 mono tracks, panned alternately L,R,
–make sure the audio you put on these tracks is in the standard order
Track 1: L Front (panned hard left)
Track 2: R Front (panned hard right)
Track 3: Center (panned hard left)
Track 4: LFE (panned hard right)
Track 5: L Surround (panned hard left)
Track 6: R Surround (panned hard right)

Although I was thrown by the Left and Right panning of the Center and LFE tracks, that’s just a way of telling the 5.1 soundsystem to isolate each of the 6 tracks to its own speaker. If you use Premiere’s 5.1 Master, it will automatically spread those low frequencies among the other speakers and there’s no easy way to isolate them.

I’m using Premiere CC 2018, so perhaps Adobe has fixed the problem or is working on it in the 2019 versions.

Hope that helps!

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