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lindas53248328
Participant
August 16, 2020
Question

create 7.1 from 2.0

  • August 16, 2020
  • 2 replies
  • 2173 views

I have a stereo 2.0 wav file. I would like to re-distribute the tracks to 7.1. I cannot figure out how to do this. Nothing seems to work. I need to make the right channel the right surrounds, center and rear and the left channel, left surrounds, cemter and rear. The center channel would be a mono channel, combination of left and right. I guess the LFE would also be a combination. If I copy just 1 channel to my 7.1 template it copies the same thing to all 8 channels. How can I assign what I want to assign to the proper channels? I should mention that I set up a template by going to File>NewAudio File and making a custom 7.1 preset. I also saw a tutorial that instructed me to go to File>New>Multitrack Session. The only thing I can get it 5.1, however, not 7.1

Can anyone provide a step-by-step that would tell me how to assign what I want to then proper channel?

Thank you very much.

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2 replies

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paulfigg
Inspiring
August 17, 2020

Halo Upmix

 

-paul.

@produceNewMedia

SteveG_AudioMasters_
Community Expert
SteveG_AudioMasters_Community Expert
Community Expert
August 17, 2020

Halo Upmix - even at its discounted price - costs about $400. Can't see many people paying out that much, somehow...

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lindas53248328Author
Participant
August 18, 2020

Here are the steps that I have taken to create a "7.1" surround sound file.

 

Create a 7.1 preset

  1. File>New>Audio File>Custom
  2. Initially, you will see 6 channels listed: Left, Right, Center, Low Frequency Effects, Left Surround and Right Surround. Click on plus sign to choose Rear Surround Left and Rear Surround Right. Name the preset 7.1 surround and click OK.

Bring audio file into Adobe Audition

If the file is not already in Mono, convert it to Mono. In Adobe Audition, right- mouse click on a channel and left-mouse click on Extract Channels to Mono Files.

 

Select the Mono file (Control+a) and copy it into the 7.1 preset.

All 8 channels will have the same content.

 

If there is anyone who can improve on what I have done I would be very grateful. By that I mean the following:

  1. Put the mono file in the center channel and the LFE channel.
  2. Put the left channel of the stereo version of the original file into the following channels: Left, Left Surround, Rear Surround Left.
  3. Put the right channel of the stereo version of the original file into the following channels: Right, Right Surround, Rear Surround Right.

 

I hope all of this helps and I thank you for whatever help you can give.

SteveG_AudioMasters_
Community Expert
SteveG_AudioMasters_Community Expert
Community Expert
August 16, 2020

A stereo 2.0 channel file has two channels, and that's all. You can't pan anything out of those two channels to anywhere else unless you do some processing, and with only a stereo source, your options are rather limited. You can extract the centre signal out and play that into a separate speaker, but that's about it. You have no means of extracting even 5.1 ambience sensibly, never mind 7.1. To create 7.1 'properly' you need discrete sources for the channels - that's the only way it's going to work.

 

LFE stands for Low Frequency Effects. If you don't have any of those, then don't use it. It's not supposed to be for program bass at all.

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lindas53248328Author
Participant
August 16, 2020

Thank you for replying. I do appreciate it. I realize that what I want might not be 7.1 in the true sense of the word. I just don't want to end up with the same content in all 8 channels. My goal is to separate all that is on the right side and all that is on the left side. The center channel and the LFE can be a combination of both channels. Can I do that with Audition?

Thank you again.

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