this post was submitted on 20 Nov 2023
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Exactly. You set up the virtual sink for 5.1 output and make pipewire convolute the signal with a suitable impulse response to turn it into a stereo signal that sounds like it's coming from the correct direction. And yes, most games will output surround sound, given the option.
@Chais do games actually output 5.1 nowadays? Most of those I know use libraries like steamaudio, which simulates it using in-app hrtf, mixing the signal on its own
It depends on the game. I have 5.1 speakers on my computer and can hear things behind me in some games, but not others.
At least I can play games and get directional audio. Beyond that I care little how they achieve it.