As per MS documentation[1], it requires Windows 10 Build 20348 but it seems to be supported by old versions too [1] https://learn.microsoft.com/en-us/windows/win32/api/audioclientactivationparams/ ns-audioclientactivationparams-audioclient_process_loopback_params Fixes: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/2524 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4505>