The name of Realtek AC'97 Audio Vista Driver should be a good indication as to what it here to do. Indeed, this is a software with all the necessary features you might expect for playing your audio files no matter what the format is.
Realtek AC'97 Audio Vista Driver is for Realtek audio software that lack the right codec to play specific music files. The codecs are what Realtek AC'97 Audio Vista Driver provides. That is not all as the software comes with extra features to help you better your music playing experience.
With Realtek AC'97 Audio Vista Driver, no installation or configuration is required to be able to take full advantage of its benefits. Despite all these codecs and extra features, the software is very small in size. How convenient is that?