For most games, HLE is essentially on-par with LLE. You'd have to have an incredibly keen ear to notice anything in many titles. Over the last few years, several of the developers have improved HLE audio considerably with efforts such as New AX-HLE, synchronous audio, and the DTK rewrite.
If you're interested in getting a quick overview of just how far HLE audio emulation has come over the last few years, I highly recommend reading this article.
For general use, you can definitely get away with using HLE audio. You can switch to LLE if your processor has the power to push it, although if you find that performance is better with HLE, there probably isn't any real incentive to switch.
If you're interested in getting a quick overview of just how far HLE audio emulation has come over the last few years, I highly recommend reading this article.
For general use, you can definitely get away with using HLE audio. You can switch to LLE if your processor has the power to push it, although if you find that performance is better with HLE, there probably isn't any real incentive to switch.