Specifically to be able to patch multiple inputs together and provide them as one output device. This would be useful for OBS Studio to use multiple inputs.

• https://vac.muzychenko.net/en/

• https://vb-audio.com/Voicemeeter/

  • https://vb-audio.com/Cable/
    — I dunno, related?

• http://sox.sourceforge.net/

  • Supposedly has such functionality, but I’m unsure.

• https://github.com/HSpear/virtual-audio-wire

  • As of 2021-10-31 last updated 2013-09-25. Doesn’t seem to have a binary.

—

• https://web.archive.org/web/20171124071848/obsproject.com/forum/resources/how-to-split-exclude-seperate-audio-sources-off-your-stream-or-recording.8/

Synchronous Audio Router ∞

http://sar.audio/

Bcdedit.exe -set TESTSIGNING ON