Skip to main content

4 speaker setup

In this example we work with Reaper, Focusrite interface, 4 speakers, windows desktop.

The idea is to place the speakers in a square position so you can hear the audio coming from different directions. 

Software to be installed:
Reaper we work with Reaper because its free relitavelyand relatively easy to setupsetup, but there is more software to use for 4 channel setups (like Ableton or Isadora), depending on your needs
Focusrite control software (make sure you choose for the right device, focusriteFocusrite interfaces come in very different formstypes and thereversions don'twhich all workhave withown thecontrol samesoftware software)environment)

Work with mono files

In most conventional audio setups we use 2 channels (left and right) and the audio source file is stereo (2 channels). Since we use a 4 speaker setupsetup, we use 4 audio tracks in Reaper. Thus we have to use a mono (1 channel) audio file. Each mono file will be placed in one of the 4 single channels of reaper. If your source file is 2 x stereo and you want your audio devided over the seperate (4) channels you need to convert your audio files to mono first.
With Reaper folowfollow this short tutorial https://www.youtube.com/watch?v=jLr0FPxd3K0&t=20s
Save the file:

save mono file reaper.png

Connect Focusrite interface

Open Focusrite control software
In the Output Routing tab Change stereo Monitor en Line outputs to mono by clicking [stereo]

To be able to hear anything through channel 1 & 2 you need to TURN UP THE MAIN VOLUME on the interface, or else you only hear channel 3 & 4 ;)

Screenshot 2024-08-29 at 15.29.52.png >>>>>>>>>>>>>>>>>>>>Screenshot 2024-08-29 at 15.31.13.png

Create your Reaper multichannel audio file

In Menu > Reaper > settings you should be able to locate Audio Device > SacrletScarlet (your Focusrite interface), choose Apply & OK

Use command T(mac) or control T(windows) to make 4 tracks. Place your mono audio files on your tracks

View > Routing Matrix & Mixer

In the Routing Matrix change your settings so it looks like this:


Screenshot 2024-08-29 at 15.45.30.png

Now you should be able to play your audio through the 4 channels. 

In the focusriteFocusrite control software you can adjust the level of volume of the different cahnnels.channels. change 3 & 4 so it matches 1 & 2. 

 

Next step might be to automate thisthe filevolume levels of the audiotrack from other software.software with MIDI or OSC... Dependsdepending on the software,software anyyou use in conjunction with Reaper. Any requests? Send an email to blackbox.ibb-pastoe@hku.nl & blackbox.oudenoord@hku.nl we'll get back to you on that!