You could try the "Vbeam trick" though to have better sound with LLE
Disable Idle Skipping + Check Accurate VBeam emulation (right click on your game -> properties)
Leave Idle Skipping enabled + Check Accurate VBeam emulation
Disable Idle Skipping + Check Accurate VBeam emulation (right click on your game -> properties)
Leave Idle Skipping enabled + Check Accurate VBeam emulation