Creative ALchemy restores 3D audio and EAX® effects for certain DirectSound®3D games in Windows Vista. With Creative ALchemy, you can:

•enable the DirectSound3D game audio to be processed by your Sound Blaster audio device to deliver EAX effects, 3D audio spatialization, sample rate conversion and hardware audio mixing. Without this, most DirectSound3D games will be reduced to stereo output without any EAX effects.
•improve 3D audio processing for host-based Sound Blaster audio devices.
Requirements:

•Microsoft® Windows Vista with Service Pack 1
Notes:

•Do not install this application if you do not play DirectSound3D games in Windows Vista.
•To find out more about Creative ALchemy or view the list of DirectSound3D games supported, click here.
•To install this software 
1.Download the file onto your local hard disk.
2.Close all other Windows applications.
3.Double-click the downloaded file.
4.Follow the instructions on the screen.

Creative ALchemy restores 3D audio and EAX® effects for certain DirectSound®3D games in Windows Vista.

does this still work with realtek HD chipset? i've installed but it said hardware required not available. it supposed to work with onboard audio or need external soundcard?