Add a new souce of this type, and it will add a new audio track, for which you can select which application(s) you want to be captured for that source. Works pretty much like the pipewire screen capture source in obs, but for audio.
I usually have 3 of these sources running: Discord, Game and Music player audio; in addition to a normal full desktop audio capture and my mic. They all go on separate audio tracks in the output file.
For that you can use https://github.com/dimtpap/obs-pipewire-audio-capture
Add a new souce of this type, and it will add a new audio track, for which you can select which application(s) you want to be captured for that source. Works pretty much like the pipewire screen capture source in obs, but for audio.
I usually have 3 of these sources running: Discord, Game and Music player audio; in addition to a normal full desktop audio capture and my mic. They all go on separate audio tracks in the output file.