Audio not working, silent / glitched

When I launch Minecraft Bedrock on PC, the game makes no sound. The only way to fix it temporarily is to switch between Windows audio outputs until it works. Furthermore, Discord also becomes silent for no particular reason (but only when Minecraft is running).
Furthermore, other friends have reported similar problems, audio missing or even completely broken, crackly and glitchy. This has been going on for months, start fixing the problems with this version of Minecraft instead of always creating new ones.