ASIO Driver Support

takaliuang

New Member
I am using REAPER (DAW) and ASIO Audio interface (Steinberg 22 mkII). After upgrading to OBS 27, the plugin didnt work. But after installed the latest version of OBS-ASIO (version 3.1.1), now it works well with OBS.

OBS ASIO: https://github.com/Andersama/obs-asio/releases

I am using OBS 28.0.3 - 64 bit & Windows 10 and REAPER 6.68. If anyone need video instruction how to connect between reaper and OBS, let me know.
 

szcomposer

New Member
Many thanks to the creators of the OBS-ASIO plugin - it is excellent. Works beautifully with Presonus loopback to capture both DAW and mic in (OBS 28). Super grateful for this.
 
ASIO is the highest quality recording and broadcast option, BUT.
ASIO in OBS Studio does not always work correctly.
For example, in my sound card "X-Fi Titanium Fatal1ty Champion" ASIO in OBS Studio runs at 4 ms without loss of information - as in other applications. But.
On my "X-Fi Elite Pro" card in OBS Studio, everything works very, very poorly using ASIO.
Neighboring applications work without errors on ASIO even for 1 ms in "X-Fi Elite Pro", when OBS Studio skips information even for 50 ms. There are no "Preload Buffer" settings in OBS Studio, as there are in many other applications.
It is suspected that OBS Studio defines a small "Preload Buffer" for some sound cards, which can be very difficult or impossible to adjust by configuring the ASIO buffer.
How do I get stable ASIO audio recording on the "X-Fi Elite Pro" card?
This card writes stably at 4 ms and even at 1 ms in neighboring DAW applications and players.


You need built-in ASIO support. The WASAPI audio is of terrible quality.
 
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I fixed the ASIO operation:

For ASIO to work correctly, it is necessary that the sampling rates of your sound card's input channels in the Windows Mixer (WASAPI) match the reference recording frequency in OBS Studio.

Otherwise, there will be loss of useful information during recording and broadcasting, even for 50 ms delay of the ASIO buffer.

Alternative solution:
Set the ASIO buffer delay to 300 ms and enable delay compensation on the recording channel in OBS Studio.
Never write using WASAPI - it doesn't sound good.

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