I have an asrock z97 with built in HD Realtek audio with windows 10 64 bit, and a 5.1 surround home theatre LG, at first it was fine but now every update to windows ten distorts and lowers my audio quality, I have tried everthing to fix from reinstalling drivers to changing cables. but now I am too annoyed and just want something with an optical output, because that's the only way to get the sound from the pc to the theatre system. Asrock as yet to update the audio Realtek drivers for 5 years, I am assuming they gave up, so maybe something new will help with all the crackling and white noise surprises I get when watching movies with friends, it's embarrassing. Thank you