Question / Help Audio with Focusrite 18i8

[Damien Paul]

I was hoping that someone has some experience in using OBS for Mac with a Focusrite 18i8 or a comparable audio interface from the same manufacturer. I am only able to get the first 2 inputs to work (the microphone XLR inputs), the others (including the SPDIF and line-in ports) seem to be unusable. I'm attempting to bring in a live external audio feed where I need to tap into those ports (in addition to the microphones).

I've successfully used other USB sound cards (like simple stereo ones), but they are insufficient for the scenario I'm attempting.

If you have any insight as to how I can appropriately set this up so OBS can utilize the other channels, I would greatly appreciate it.

 

[Narcogen]

OBS only handles stereo audio, it doesn't do multichannel at all.

 

[Damien Paul]

Hi Narcogen, thanks for the quick response. That was my suspicion, however I suspect there may be a way to use the sound card's internal routing capabilities, which eventually can bounce down the various inputs into 2 channels. While assigning all of the inputs to a L/R in OBS would be ideal, I get that it can't do that (although that would be a great feature request).

However, I'm hoping someone on here knows of a way to utilize internal mixing/routing to accomplish this. These audio interfaces are fairly popular, so I'm hoping someone has some experience here.

 

[shawn butts]

Have a look audio hijack and loopback by the same company. Should be able to handle all the mixing/routing you want.

 

[Narcogen]

I swear by Loopback. It is pricy, but absolutely worth it.

 

[The Narrator]

If you have any insight as to how I can appropriately set this up so OBS can utilize the other channels, I would greatly appreciate it.

I’m running into the same situation with my Apogee Symphony. The best I’ve seen is to run your audio through a DAW, control the mix in there, outputting it to Soundflower and using that as an input device in OBS.