Often, incompatibilities with drivers or the audio software in Windows affect audio playback or recording so, it becomes essential to confirm if audio format issues are the source of your issue.
e.g., when you want to record audio. Use Audacity to check. We hope these tips were easy to follow, and you were able to enable and use the Stereo Mix on Windows 11/10 as expected. Now read ...
Valve released another update to the Steam Beta Client for Steam Deck and Desktop Steam, which includes more improvements and tweaks to Game Recording.