GitHub - bozbez/win-capture-audio: An OBS plugin that allows capture of independant application audio streams on Windows, in a similar fashion to OBS's game capture and Discord's application streaming.

An OBS plugin similar to OBS's win-capture/game-capture that allows for audio capture from a specific application, rather than the system's audio as a whole. This eliminates the need for third-party software or hardware audio mixing tools that introduce complexity, and in the case of software tools, introduce mandatory latency. Internally it uses ActivateAudioInterfaceAsync with AUDIOCLIENT_PROCES