The installation instructions are in the ASIO-OBS wiki. This is a plugin for Windows OBS which supports the use of ASIO audio sources. If you haven’t got it already, it can be downloaded and installed from the OBS Project website. In my case, I have a Behringer UCM204HD and I downloaded and installed the UCM drivers from their website. Your manufacturer will normally provide these as a download for your chosen device. Using ASIO with OBS Install ASIOįirst of all you need to make sure you have the ASIO drivers for your audio interface installed. ASIO supports “pro-audio” applications in a number of ways, but the key one for this application is that it allows us to individually select inputs from a multi-channel audio interface. ASIO is an alternative driver subsystem that is used by nearly all music and media applications, such as DAWs and software synths. In other words, where you wat to treat the inputs and outputs as individual channels, rather than as a single multi-channel system.Īs an example, a typically 2-channel audio interface like the Focusrite Scarlett Solo will show up as a single stereo device on Windows, which is not what we want at all. In particular, it’s not very good with multi-channel audio interfaces which aren’t surround sound systems. This, however, is not very good at “pro-audio” applications. The way OBS handles audio inputs varies significantly on different platforms, largely due to the differences in the audio subsystems on those platforms.įor Windows, the standard audio subsystem is the “WDM” subsystem which is used by most desktop applications. This is an alternative approach for those who don’t want or need such a complex setup. This posts focuses on getting the audio interface set up with OBS so that you can perform mixing between the two inputs, and apply separate plugins to those has done a great write up on how to achieve this by using a DAW to front OBS in this post. Note that this isn’t a tutorial on using OBS or using OBS for streaming to Zoom. This is a brief explanation of how to use a multi-channel audio device, such as a Focusrite Scarlett Solo, or a Behringer UMC204HD (as in my case) with OBS on Windows to support streaming to Zoom or other video conferencing applications.
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