hi. how to downmix 5.1 audio from a MKV playback into 2.0 ? i have vlc 3.0.21 for windows 11. i used makemkv to rip a video from a blu ray (movie in dolby) into a mkv file containing 5.1 audio. if i play the mkv file with vlc and default settings, will it play all the 5.1 channels, or only the left ...