How do I remove the sound driver to computer?

How do I remove the sound driver to computer?
I'm going to replace my sound driver because its has low quality of sound. I want a high definition sound. My problem now is I don't know how remove it from my computer.
My sound driver is Vinyl Audio Deck. And my other reason why I want to replace it is because the sound driver too old and no downloadable driver now.
But my friend advice me in order to replace my sound driver is to replace my sound card first and it needs to be compatible with the system.
How will I remove the said sound driver?
