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iii
Topic Author
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Joined: Thu Apr 29, 2021 7:45 am

basic help in surround

Thu Apr 29, 2021 7:58 am

Hi,

I have two stereo tracks that I'm trying to arrange so that the first stereo track has it's left side sourced from the Northwest, and the right side from the Southwest. Opposite that, I want the second stereo track to be panned so that its left side is coming from the Southeast and it's right side is coming from the Northeast. I'm having trouble setting up what I think would be a basic surround sound set up. I try disabling the different speakers but still get a weird blend and when I try dividing my stereo tracks into mono, they won't produce any sound when I put them in my preferred surround position. Looking for the angle, diversity, XF, XR and Y values that will produced this effect. Bonus points if I can do this without bouncing the tracks into 4 mono tracks (I have to do this repeatably and accomplishing this effect with the two stereo tracks would save me a lot of time).

sourruond sound.jpg
sourruond sound.jpg (15.17 KiB) Viewed 666 times


Thank you,
Jack
Logic Version 10.4.8
Big Sur 11.2.1
MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports)
2.3 GHz Dual-Core Intel Core i5
8 GB 2133 MHz LPDDR3
 
musos
Posts: 298
Joined: Tue Aug 11, 2009 5:32 pm

Re: basic help in surround

Fri Apr 30, 2021 3:19 pm

If you're not using a subwoofer or centre speaker for these mixes, only front LR and rear LR, then I'd suggest the following:

Open Logic Preferences -> Audio
Click on I/O the Assignments tab
In the Surround section, click on [Show as:] and select Quadraphonic
The speaker selections should be:
Left - Output 1
Right - Output 2
L.Surround - Output 5
R.Surround - Output 6

Now go to File -> Project settings -> Audio
For Surround Format, select Quadraphonic again

Now go to your Environment window.
Make sure that the tracks/channels you are using have their outputs set to Surround.
Doing this will create a new Surround Master fader
if you have a fader labeled Output 1-2 then delete it as it will mess with your mix.

Now you can double-click on the circular surround panner icon on a channel.
This will open a surround panner window.
You can then place your tracks where you want them (as you described), swop L&R etc.

Hope this helps...
Logic Pro x 10.4.8 / OS X 10.14.6 / 2018 Mac Mini i7 3.2 GHz 32GB RAM
 
iii
Topic Author
Posts: 3
Joined: Thu Apr 29, 2021 7:45 am

Re: basic help in surround

Sat May 01, 2021 7:26 pm

Hi thank you for the info but my problem is still not fixed. I've tested my headphones (they support surround sound).

Screen Shot 2021-05-01 at 10.22.45 PM.png
Screen Shot 2021-05-01 at 10.22.45 PM.png (1.86 MiB) Viewed 585 times


When I turn off the TOP LEFT or TOP RIGHT speaker the entire track goes silent. Meaning the Output 5 and Output 6 aren't getting anything.

Best,
Jack
Logic Version 10.4.8
Big Sur 11.2.1
MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports)
2.3 GHz Dual-Core Intel Core i5
8 GB 2133 MHz LPDDR3
 
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fuzzfilth
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Re: basic help in surround

Sat May 01, 2021 8:03 pm

Where are you plugging in your headphones ?
Christian Obermaier
Contact me for private Logic Consulting, Training, Troubleshooting via Skype, Zoom or Teamviewer

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iii
Topic Author
Posts: 3
Joined: Thu Apr 29, 2021 7:45 am

Re: basic help in surround

Sun May 02, 2021 8:04 am

Plugging my headphones into my Scarlet Focusrite or directly into my Mac yields the same results
Logic Version 10.4.8
Big Sur 11.2.1
MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports)
2.3 GHz Dual-Core Intel Core i5
8 GB 2133 MHz LPDDR3
 
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fuzzfilth
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Re: basic help in surround

Sun May 02, 2021 8:50 am

Neither carry any surround channels, these are stereo only.
Christian Obermaier
Contact me for private Logic Consulting, Training, Troubleshooting via Skype, Zoom or Teamviewer

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musos
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Re: basic help in surround

Sun May 02, 2021 10:26 am

Ideally, if your Mac has HDMI, you should connect to a surround receiver and speakers.

Also, if outputs 5 & 6 aren't working, maybe your config is different from mine. Try 3 & 4 or 7 & 8 just to be sure.
You could also look in AudioMidiSetup to see what's set there.
Logic Pro x 10.4.8 / OS X 10.14.6 / 2018 Mac Mini i7 3.2 GHz 32GB RAM
 
musos
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Re: basic help in surround

Sun May 02, 2021 10:30 am

PS:
To the topic author:
You should list your Logic and MacOS versions in your Signature - it helps other users to understand your setup.
Logic Pro x 10.4.8 / OS X 10.14.6 / 2018 Mac Mini i7 3.2 GHz 32GB RAM
 
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fuzzfilth
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Re: basic help in surround

Mon May 03, 2021 11:05 pm

musos wrote:
Ideally, if your Mac has HDMI, you should connect to a surround receiver and speakers.

For this to work, Logic would first have to encode into Dolby Digital, which it does not do. You need to use an audio interface with multiple outputs.
Christian Obermaier
Contact me for private Logic Consulting, Training, Troubleshooting via Skype, Zoom or Teamviewer

1 x MacPro 6core 2010 24Gb RAM
2 x MacBookPro i7 2012 16Gb RAM
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Ploki
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Re: basic help in surround

Mon May 03, 2021 11:24 pm

fuzzfilth wrote:
musos wrote:
Ideally, if your Mac has HDMI, you should connect to a surround receiver and speakers.

For this to work, Logic would first have to encode into Dolby Digital, which it does not do. You need to use an audio interface with multiple outputs.


HDMI can carry 8 unencoded PCM streams (so up to 7.1), but the receiving end needs to support it.

I've used it like that before
<desktop pending> | 13" M1 Pro | Big Sur 11.1 | Logic 10.6.1
RME FireFace 800 / UFX+ | ROLI Seaboard RISE 25 | ROLI Blocks | nOb Control | StreamDeck
 
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fuzzfilth
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Re: basic help in surround

Mon May 03, 2021 11:36 pm

Ah. Ok. So how do you address these from Logic ?
Christian Obermaier
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Ploki
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Re: basic help in surround

Mon May 03, 2021 11:38 pm

fuzzfilth wrote:
Ah. Ok. So how do you address these from Logic ?

set HDMI as the output in logic, and it behaves as an 8-channel audio interface, do some channel IDing to assign correct HDMI channels to speakers - voíla :)
<desktop pending> | 13" M1 Pro | Big Sur 11.1 | Logic 10.6.1
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fuzzfilth
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Re: basic help in surround

Mon May 03, 2021 11:55 pm

Not here. Guess my Macs are too old.
Christian Obermaier
Contact me for private Logic Consulting, Training, Troubleshooting via Skype, Zoom or Teamviewer

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Ploki
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Re: basic help in surround

Tue May 04, 2021 2:22 am

fuzzfilth wrote:
Not here. Guess my Macs are too old.

I did that with the 2018 Mini, i think it needs to be HDMI 1.2 to work in PCM?
Generally 10y old macs have HDMI 1.4 and it's new enough to support uncompressed audio - unless it's nerfed by apple, which is also a possibility.
<desktop pending> | 13" M1 Pro | Big Sur 11.1 | Logic 10.6.1
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musos
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Re: basic help in surround

Tue May 04, 2021 5:45 am

My old Mac Pro 2012 could not send out surround.
My 2018 Mac Mini works great via HDMI to a Yamaha surround receiver. Logic sends out surround and even movies play in surround via VLC.
Logic Pro x 10.4.8 / OS X 10.14.6 / 2018 Mac Mini i7 3.2 GHz 32GB RAM