At least on Windows this has existed forever. On Windows 10 Config Panel -> Sound -> Manage sound devices -> Recording and choose your sound card to set as default input
I wasn't clear I want to route the output of a programs like Abeltron, Audacity etc and maybe route more than one audio source
And don't get me started on the total Goat Rope that Windows Audio seems to have turned into - for what ever reason a lot of laptop's using realtek sound has been broken since an update about 6 7 months ago
And don't get me started on the total Goat Rope that Windows Audio seems to have turned into - for what ever reason a lot of laptop's using realtek sound has been broken since an update about 6 7 months ago